[PATCHv2,6/7,ARM,V8M] ARMv8-M Security Extension's cmse_nonsecure_call: use __gnu_cmse_nonsecure_call

Message ID	5825EE96.5050402@arm.com
State	New
Headers	show Return-Path: <gcc-patches-return-441147-incoming=patchwork.ozlabs.org@gcc.gnu.org> DomainKey-Signature: a=rsa-sha1; c=nofws; d=gcc.gnu.org; h=list-id :list-unsubscribe:list-archive:list-post:list-help:sender :subject:to:references:from:message-id:date:mime-version :in-reply-to:content-type; q=dns; s=default; b=KyNk00QyrDOGuBUn2 cUGJZys7w+68/yeBtmuAl2MasfkAdr9Rpb3gSCU6p00uabIo3fRaMteyljRoni2E 374tmg42fCbiixYGmPnTB1vldHykryFCly22K6AICNbddLHzPOj5qHzYK7V/SZNG 9ojtGaNrcv6PscbeibIyi56i2o= Mailing-List: contact gcc-patches-help@gcc.gnu.org; run by ezmlm Precedence: bulk Sender: gcc-patches-owner@gcc.gnu.org Subject: Re: [PATCHv2 6/7, GCC, ARM, V8M] ARMv8-M Security Extension's cmse_nonsecure_call: use __gnu_cmse_nonsecure_call To: Kyrill Tkachov <kyrylo.tkachov@foss.arm.com>, gcc-patches@gcc.gnu.org References: <5796116C.6010100@arm.com> <57961383.7090709@arm.com> <57BD7E9E.6090906@arm.com> <580F8889.6080602@arm.com> <5811D05D.4070909@arm.com> <58233880.4010002@arm.com> <5825B0E8.1020803@foss.arm.com> From: "Andre Vieira (lists)" <Andre.SimoesDiasVieira@arm.com> Message-ID: <5825EE96.5050402@arm.com> Date: Fri, 11 Nov 2016 16:15:18 +0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.2.0 MIME-Version: 1.0 In-Reply-To: <5825B0E8.1020803@foss.arm.com> Content-Type: multipart/mixed; boundary="------------030001020008070706010203"

diff --git a/gcc/config/arm/arm-protos.h b/gcc/config/arm/arm-protos.h index a9b8326c2770c1f9a9787743cb5faa549e6b7d02..2660bc3ba89c34b17911680c4e25eb2f6c0745fb 100644 --- a/gcc/config/arm/arm-protos.h +++ b/gcc/config/arm/arm-protos.h @@ -135,6 +135,7 @@ extern int arm_const_double_inline_cost (rtx); extern bool arm_const_double_by_parts (rtx); extern bool arm_const_double_by_immediates (rtx); extern void arm_emit_call_insn (rtx, rtx, bool); +bool detect_cmse_nonsecure_call (tree); extern const char *output_call (rtx *); void arm_emit_movpair (rtx, rtx); extern const char *output_mov_long_double_arm_from_arm (rtx *); diff --git a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c index 9e5656eeb13992c6d7837d21c9e049e264c7b9c0..9c4809af09b9d53e1c8a7aba3525a969f3b10a60 100644 --- a/gcc/config/arm/arm.c +++ b/gcc/config/arm/arm.c @@ -17850,6 +17850,197 @@ compute_not_to_clear_mask (tree arg_type, rtx arg_rtx, int regno, return not_to_clear_mask; } +/* Saves callee saved registers, clears callee saved registers and caller saved + registers not used to pass arguments before a cmse_nonsecure_call. And + restores the callee saved registers after. */ + +static void +cmse_nonsecure_call_clear_caller_saved (void) +{ + basic_block bb; + + FOR_EACH_BB_FN (bb, cfun) + { + rtx_insn *insn; + + FOR_BB_INSNS (bb, insn) + { + uint64_t to_clear_mask, float_mask; + rtx_insn *seq; + rtx pat, call, unspec, reg, cleared_reg, tmp; + unsigned int regno, maxregno; + rtx address; + CUMULATIVE_ARGS args_so_far_v; + cumulative_args_t args_so_far; + tree arg_type, fntype; + bool using_r4, first_param = true; + function_args_iterator args_iter; + uint32_t padding_bits_to_clear[4] = {0U, 0U, 0U, 0U}; + uint32_t * padding_bits_to_clear_ptr = &padding_bits_to_clear[0]; + + if (!NONDEBUG_INSN_P (insn)) + continue; + + if (!CALL_P (insn)) + continue; + + pat = PATTERN (insn); + gcc_assert (GET_CODE (pat) == PARALLEL && XVECLEN (pat, 0) > 0); + call = XVECEXP (pat, 0, 0); + + /* Get the real call RTX if the insn sets a value, ie. returns. */ + if (GET_CODE (call) == SET) + call = SET_SRC (call); + + /* Check if it is a cmse_nonsecure_call. */ + unspec = XEXP (call, 0); + if (GET_CODE (unspec) != UNSPEC + || XINT (unspec, 1) != UNSPEC_NONSECURE_MEM) + continue; + + /* Determine the caller-saved registers we need to clear. */ + to_clear_mask = (1LL << (NUM_ARG_REGS)) - 1; + maxregno = NUM_ARG_REGS - 1; + /* Only look at the caller-saved floating point registers in case of + -mfloat-abi=hard. For -mfloat-abi=softfp we will be using the + lazy store and loads which clear both caller- and callee-saved + registers. */ + if (TARGET_HARD_FLOAT_ABI) + { + float_mask = (1LL << (D7_VFP_REGNUM + 1)) - 1; + float_mask &= ~((1LL << FIRST_VFP_REGNUM) - 1); + to_clear_mask |= float_mask; + maxregno = D7_VFP_REGNUM; + } + + /* Make sure the register used to hold the function address is not + cleared. */ + address = RTVEC_ELT (XVEC (unspec, 0), 0); + gcc_assert (MEM_P (address)); + gcc_assert (REG_P (XEXP (address, 0))); + to_clear_mask &= ~(1LL << REGNO (XEXP (address, 0))); + + /* Set basic block of call insn so that df rescan is performed on + insns inserted here. */ + set_block_for_insn (insn, bb); + df_set_flags (DF_DEFER_INSN_RESCAN); + start_sequence (); + + /* Make sure the scheduler doesn't schedule other insns beyond + here. */ + emit_insn (gen_blockage ()); + + /* Walk through all arguments and clear registers appropriately. + */ + fntype = TREE_TYPE (MEM_EXPR (address)); + arm_init_cumulative_args (&args_so_far_v, fntype, NULL_RTX, + NULL_TREE); + args_so_far = pack_cumulative_args (&args_so_far_v); + FOREACH_FUNCTION_ARGS (fntype, arg_type, args_iter) + { + rtx arg_rtx; + machine_mode arg_mode = TYPE_MODE (arg_type); + + if (VOID_TYPE_P (arg_type)) + continue; + + if (!first_param) + arm_function_arg_advance (args_so_far, arg_mode, arg_type, + true); + + arg_rtx = arm_function_arg (args_so_far, arg_mode, arg_type, + true); + gcc_assert (REG_P (arg_rtx)); + to_clear_mask + &= ~compute_not_to_clear_mask (arg_type, arg_rtx, + REGNO (arg_rtx), + padding_bits_to_clear_ptr); + + first_param = false; + } + + /* Clear padding bits where needed. */ + cleared_reg = XEXP (address, 0); + reg = gen_rtx_REG (SImode, IP_REGNUM); + using_r4 = false; + for (regno = R0_REGNUM; regno < NUM_ARG_REGS; regno++) + { + if (padding_bits_to_clear[regno] == 0) + continue; + + /* If this is a Thumb-1 target copy the address of the function + we are calling from 'r4' into 'ip' such that we can use r4 to + clear the unused bits in the arguments. */ + if (TARGET_THUMB1 && !using_r4) + { + using_r4 = true; + reg = cleared_reg; + emit_move_insn (gen_rtx_REG (SImode, IP_REGNUM), + reg); + } + + tmp = GEN_INT ((((~padding_bits_to_clear[regno]) << 16u) >> 16u)); + emit_move_insn (reg, tmp); + /* Also fill the top half of the negated + padding_bits_to_clear. */ + if (((~padding_bits_to_clear[regno]) >> 16) > 0) + { + tmp = GEN_INT ((~padding_bits_to_clear[regno]) >> 16); + emit_insn (gen_rtx_SET (gen_rtx_ZERO_EXTRACT (SImode, reg, + GEN_INT (16), + GEN_INT (16)), + tmp)); + } + + emit_insn (gen_andsi3 (gen_rtx_REG (SImode, regno), + gen_rtx_REG (SImode, regno), + reg)); + + } + if (using_r4) + emit_move_insn (cleared_reg, + gen_rtx_REG (SImode, IP_REGNUM)); + + /* We use right shift and left shift to clear the LSB of the address + we jump to instead of using bic, to avoid having to use an extra + register on Thumb-1. */ + tmp = gen_rtx_LSHIFTRT (SImode, cleared_reg, const1_rtx); + emit_insn (gen_rtx_SET (cleared_reg, tmp)); + tmp = gen_rtx_ASHIFT (SImode, cleared_reg, const1_rtx); + emit_insn (gen_rtx_SET (cleared_reg, tmp)); + + /* Clearing all registers that leak before doing a non-secure + call. */ + for (regno = R0_REGNUM; regno <= maxregno; regno++) + { + if (!(to_clear_mask & (1LL << regno))) + continue; + + /* If regno is an even vfp register and its successor is also to + be cleared, use vmov. */ + if (IS_VFP_REGNUM (regno)) + { + if (TARGET_VFP_DOUBLE + && VFP_REGNO_OK_FOR_DOUBLE (regno) + && to_clear_mask & (1LL << (regno + 1))) + emit_move_insn (gen_rtx_REG (DFmode, regno++), + CONST1_RTX (DFmode)); + else + emit_move_insn (gen_rtx_REG (SFmode, regno), + CONST1_RTX (SFmode)); + } + else + emit_move_insn (gen_rtx_REG (SImode, regno), cleared_reg); + } + + seq = get_insns (); + end_sequence (); + emit_insn_before (seq, insn); + + } + } +} + /* Rewrite move insn into subtract of 0 if the condition codes will be useful in next conditional jump insn. */ @@ -18150,6 +18341,8 @@ arm_reorg (void) HOST_WIDE_INT address = 0; Mfix * fix; + if (use_cmse) + cmse_nonsecure_call_clear_caller_saved (); if (TARGET_THUMB1) thumb1_reorg (); else if (TARGET_THUMB2) @@ -18522,6 +18715,23 @@ vfp_emit_fstmd (int base_reg, int count) return count * 8; } +/* Returns true if -mcmse has been passed and the function pointed to by 'addr' + has the cmse_nonsecure_call attribute and returns false otherwise. */ + +bool +detect_cmse_nonsecure_call (tree addr) +{ + if (!addr) + return FALSE; + + tree fntype = TREE_TYPE (addr); + if (use_cmse && lookup_attribute ("cmse_nonsecure_call", + TYPE_ATTRIBUTES (fntype))) + return TRUE; + return FALSE; +} + + /* Emit a call instruction with pattern PAT. ADDR is the address of the call target. */ diff --git a/gcc/config/arm/arm.md b/gcc/config/arm/arm.md index 8393f65bcf4c9c3e61b91e5adcd5f59ff7c6ec3f..3e65a43d39fb20061ee531d58fd21fbbc9cd1bde 100644 --- a/gcc/config/arm/arm.md +++ b/gcc/config/arm/arm.md @@ -8024,6 +8024,7 @@ " { rtx callee, pat; + tree addr = MEM_EXPR (operands[0]); /* In an untyped call, we can get NULL for operand 2. */ if (operands[2] == NULL_RTX) @@ -8038,8 +8039,17 @@ : !REG_P (callee)) XEXP (operands[0], 0) = force_reg (Pmode, callee); - pat = gen_call_internal (operands[0], operands[1], operands[2]); - arm_emit_call_insn (pat, XEXP (operands[0], 0), false); + if (detect_cmse_nonsecure_call (addr)) + { + pat = gen_nonsecure_call_internal (operands[0], operands[1], + operands[2]); + emit_call_insn (pat); + } + else + { + pat = gen_call_internal (operands[0], operands[1], operands[2]); + arm_emit_call_insn (pat, XEXP (operands[0], 0), false); + } DONE; }" ) @@ -8050,6 +8060,24 @@ (use (match_operand 2 "" "")) (clobber (reg:SI LR_REGNUM))])]) +(define_expand "nonsecure_call_internal" + [(parallel [(call (unspec:SI [(match_operand 0 "memory_operand" "")] + UNSPEC_NONSECURE_MEM) + (match_operand 1 "general_operand" "")) + (use (match_operand 2 "" "")) + (clobber (reg:SI LR_REGNUM)) + (clobber (reg:SI 4))])] + "use_cmse" + " + { + rtx tmp; + tmp = copy_to_suggested_reg (XEXP (operands[0], 0), + gen_rtx_REG (SImode, 4), + SImode); + + operands[0] = replace_equiv_address (operands[0], tmp); + }") + (define_insn "*call_reg_armv5" [(call (mem:SI (match_operand:SI 0 "s_register_operand" "r")) (match_operand 1 "" "")) @@ -8085,6 +8113,7 @@ " { rtx pat, callee; + tree addr = MEM_EXPR (operands[1]); /* In an untyped call, we can get NULL for operand 2. */ if (operands[3] == 0) @@ -8099,9 +8128,18 @@ : !REG_P (callee)) XEXP (operands[1], 0) = force_reg (Pmode, callee); - pat = gen_call_value_internal (operands[0], operands[1], - operands[2], operands[3]); - arm_emit_call_insn (pat, XEXP (operands[1], 0), false); + if (detect_cmse_nonsecure_call (addr)) + { + pat = gen_nonsecure_call_value_internal (operands[0], operands[1], + operands[2], operands[3]); + emit_call_insn (pat); + } + else + { + pat = gen_call_value_internal (operands[0], operands[1], + operands[2], operands[3]); + arm_emit_call_insn (pat, XEXP (operands[1], 0), false); + } DONE; }" ) @@ -8113,6 +8151,25 @@ (use (match_operand 3 "" "")) (clobber (reg:SI LR_REGNUM))])]) +(define_expand "nonsecure_call_value_internal" + [(parallel [(set (match_operand 0 "" "") + (call (unspec:SI [(match_operand 1 "memory_operand" "")] + UNSPEC_NONSECURE_MEM) + (match_operand 2 "general_operand" ""))) + (use (match_operand 3 "" "")) + (clobber (reg:SI LR_REGNUM)) + (clobber (reg:SI 4))])] + "use_cmse" + " + { + rtx tmp; + tmp = copy_to_suggested_reg (XEXP (operands[1], 0), + gen_rtx_REG (SImode, 4), + SImode); + + operands[1] = replace_equiv_address (operands[1], tmp); + }") + (define_insn "*call_value_reg_armv5" [(set (match_operand 0 "" "") (call (mem:SI (match_operand:SI 1 "s_register_operand" "r")) diff --git a/gcc/config/arm/thumb1.md b/gcc/config/arm/thumb1.md index 433fc79ae5810a4d3eb45d1ba80872a39e157e14..63a400fbfd8015cbd5a70252e24beacde4a5354d 100644 --- a/gcc/config/arm/thumb1.md +++ b/gcc/config/arm/thumb1.md @@ -1705,6 +1705,19 @@ (set_attr "type" "call")] ) +(define_insn "*nonsecure_call_reg_thumb1_v5" + [(call (unspec:SI [(mem:SI (match_operand:SI 0 "register_operand" "l*r"))] + UNSPEC_NONSECURE_MEM) + (match_operand 1 "" "")) + (use (match_operand 2 "" "")) + (clobber (reg:SI LR_REGNUM)) + (clobber (match_dup 0))] + "TARGET_THUMB1 && use_cmse && !SIBLING_CALL_P (insn)" + "bl\\t__gnu_cmse_nonsecure_call" + [(set_attr "length" "4") + (set_attr "type" "call")] +) + (define_insn "*call_reg_thumb1" [(call (mem:SI (match_operand:SI 0 "register_operand" "l*r")) (match_operand 1 "" "")) @@ -1737,6 +1750,21 @@ (set_attr "type" "call")] ) +(define_insn "*nonsecure_call_value_reg_thumb1_v5" + [(set (match_operand 0 "" "") + (call (unspec:SI + [(mem:SI (match_operand:SI 1 "register_operand" "l*r"))] + UNSPEC_NONSECURE_MEM) + (match_operand 2 "" ""))) + (use (match_operand 3 "" "")) + (clobber (reg:SI LR_REGNUM)) + (clobber (match_dup 1))] + "TARGET_THUMB1 && use_cmse" + "bl\\t__gnu_cmse_nonsecure_call" + [(set_attr "length" "4") + (set_attr "type" "call")] +) + (define_insn "*call_value_reg_thumb1" [(set (match_operand 0 "" "") (call (mem:SI (match_operand:SI 1 "register_operand" "l*r")) diff --git a/gcc/config/arm/thumb2.md b/gcc/config/arm/thumb2.md index f5033ef802c085bd0ce479bc7026db96d9e25632..8618dc31b44f2a7f0e3b0cc60fd226859e7545ae 100644 --- a/gcc/config/arm/thumb2.md +++ b/gcc/config/arm/thumb2.md @@ -580,6 +580,19 @@ [(set_attr "type" "call")] ) +(define_insn "*nonsecure_call_reg_thumb2" + [(call (unspec:SI [(mem:SI (match_operand:SI 0 "s_register_operand" "r"))] + UNSPEC_NONSECURE_MEM) + (match_operand 1 "" "")) + (use (match_operand 2 "" "")) + (clobber (reg:SI LR_REGNUM)) + (clobber (match_dup 0))] + "TARGET_THUMB2 && use_cmse" + "bl\\t__gnu_cmse_nonsecure_call" + [(set_attr "length" "4") + (set_attr "type" "call")] +) + (define_insn "*call_value_reg_thumb2" [(set (match_operand 0 "" "") (call (mem:SI (match_operand:SI 1 "register_operand" "l*r")) @@ -591,6 +604,21 @@ [(set_attr "type" "call")] ) +(define_insn "*nonsecure_call_value_reg_thumb2" + [(set (match_operand 0 "" "") + (call + (unspec:SI [(mem:SI (match_operand:SI 1 "register_operand" "l*r"))] + UNSPEC_NONSECURE_MEM) + (match_operand 2 "" ""))) + (use (match_operand 3 "" "")) + (clobber (reg:SI LR_REGNUM)) + (clobber (match_dup 1))] + "TARGET_THUMB2 && use_cmse" + "bl\t__gnu_cmse_nonsecure_call" + [(set_attr "length" "4") + (set_attr "type" "call")] +) + (define_insn "*thumb2_indirect_jump" [(set (pc) (match_operand:SI 0 "register_operand" "l*r"))] diff --git a/gcc/config/arm/unspecs.md b/gcc/config/arm/unspecs.md index bee8795f007accc623c82b73c41a8619ebc29209..1aa39e8e0b9ddf17bb535c4d82959e569d3c9fd5 100644 --- a/gcc/config/arm/unspecs.md +++ b/gcc/config/arm/unspecs.md @@ -84,6 +84,8 @@ UNSPEC_VRINTA ; Represent a float to integral float rounding ; towards nearest, ties away from zero. UNSPEC_PROBE_STACK ; Probe stack memory reference + UNSPEC_NONSECURE_MEM ; Represent non-secure memory in ARMv8-M with + ; security extension ]) (define_c_enum "unspec" [ diff --git a/gcc/testsuite/gcc.target/arm/cmse/baseline/bitfield-4.c b/gcc/testsuite/gcc.target/arm/cmse/baseline/bitfield-4.c new file mode 100644 index 0000000000000000000000000000000000000000..a6c1386c06edbdb58e76fa5e612c918010c507f6 --- /dev/null +++ b/gcc/testsuite/gcc.target/arm/cmse/baseline/bitfield-4.c @@ -0,0 +1,57 @@ +/* { dg-do compile } */ +/* { dg-options "-mcmse" } */ + +typedef struct +{ + unsigned char a; + unsigned int b:5; + unsigned int c:11, :0, d:8; + struct { unsigned int ee:2; } e; +} test_st; + +typedef union +{ + test_st st; + struct + { + unsigned int v1; + unsigned int v2; + unsigned int v3; + unsigned int v4; + }values; +} read_st; + + +typedef void __attribute__ ((cmse_nonsecure_call)) (*foo_ns) (test_st); + +extern void foo (test_st st); + +int +main (void) +{ + read_st r; + foo_ns f; + + f = (foo_ns) 0x200000; + r.values.v1 = 0xFFFFFFFF; + r.values.v2 = 0xFFFFFFFF; + r.values.v3 = 0xFFFFFFFF; + r.values.v4 = 0xFFFFFFFF; + + f (r.st); + return 0; +} + +/* { dg-final { scan-assembler "mov\tip, r4" } } */ +/* { dg-final { scan-assembler "movw\tr4, #65535" } } */ +/* { dg-final { scan-assembler "movt\tr4, 255" } } */ +/* { dg-final { scan-assembler "ands\tr0, r4" } } */ +/* { dg-final { scan-assembler "movs\tr4, #255" } } */ +/* { dg-final { scan-assembler "ands\tr1, r4" } } */ +/* { dg-final { scan-assembler "movs\tr4, #3" } } */ +/* { dg-final { scan-assembler "ands\tr2, r4" } } */ +/* { dg-final { scan-assembler "mov\tr4, ip" } } */ +/* { dg-final { scan-assembler "lsrs\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "lsls\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "movs\tr3, r4" } } */ +/* { dg-final { scan-assembler "bl\t__gnu_cmse_nonsecure_call" } } */ diff --git a/gcc/testsuite/gcc.target/arm/cmse/baseline/bitfield-5.c b/gcc/testsuite/gcc.target/arm/cmse/baseline/bitfield-5.c new file mode 100644 index 0000000000000000000000000000000000000000..d51ce2d42c051aeda8b06ad97086f2563a5fc47d --- /dev/null +++ b/gcc/testsuite/gcc.target/arm/cmse/baseline/bitfield-5.c @@ -0,0 +1,53 @@ +/* { dg-do compile } */ +/* { dg-options "-mcmse" } */ + +typedef struct +{ + unsigned char a; + unsigned short b :5; + unsigned char c; + unsigned short d :11; +} test_st; + +typedef union +{ + test_st st; + struct + { + unsigned int v1; + unsigned int v2; + unsigned int v3; + unsigned int v4; + }values; +} read_st; + + +typedef void __attribute__ ((cmse_nonsecure_call)) (*foo_ns) (test_st); + +int +main (void) +{ + read_st r; + foo_ns f; + + f = (foo_ns) 0x200000; + r.values.v1 = 0xFFFFFFFF; + r.values.v2 = 0xFFFFFFFF; + + f (r.st); + return 0; +} + +/* { dg-final { scan-assembler "mov\tip, r4" } } */ +/* { dg-final { scan-assembler "movw\tr4, #8191" } } */ +/* { dg-final { scan-assembler "movt\tr4, 255" } } */ +/* { dg-final { scan-assembler "ands\tr0, r4" } } */ +/* { dg-final { scan-assembler "movw\tr4, #2047" } } */ +/* { dg-final { scan-assembler "ands\tr1, r4" } } */ +/* { dg-final { scan-assembler "mov\tr4, ip" } } */ +/* { dg-final { scan-assembler "lsrs\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "lsls\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "movs\tr2, r4" } } */ +/* { dg-final { scan-assembler "movs\tr3, r4" } } */ +/* { dg-final { scan-assembler "bl\t__gnu_cmse_nonsecure_call" } } */ + diff --git a/gcc/testsuite/gcc.target/arm/cmse/baseline/bitfield-6.c b/gcc/testsuite/gcc.target/arm/cmse/baseline/bitfield-6.c new file mode 100644 index 0000000000000000000000000000000000000000..77e9104b546a7693fcb2399622e828b1197eac1b --- /dev/null +++ b/gcc/testsuite/gcc.target/arm/cmse/baseline/bitfield-6.c @@ -0,0 +1,63 @@ +/* { dg-do compile } */ +/* { dg-options "-mcmse" } */ + +typedef struct +{ + unsigned char a; + unsigned int b : 3; + unsigned int c : 14; + unsigned int d : 1; + struct { + unsigned int ee : 2; + unsigned short ff : 15; + } e; + unsigned char g : 1; + unsigned char : 4; + unsigned char h : 3; +} test_st; + +typedef union +{ + test_st st; + struct + { + unsigned int v1; + unsigned int v2; + unsigned int v3; + unsigned int v4; + }values; +} read_st; + + +typedef void __attribute__ ((cmse_nonsecure_call)) (*foo_ns) (test_st); + +int +main (void) +{ + read_st r; + foo_ns f; + + f = (foo_ns) 0x200000; + r.values.v1 = 0xFFFFFFFF; + r.values.v2 = 0xFFFFFFFF; + r.values.v3 = 0xFFFFFFFF; + r.values.v4 = 0xFFFFFFFF; + + f (r.st); + return 0; +} + +/* { dg-final { scan-assembler "mov\tip, r4" } } */ +/* { dg-final { scan-assembler "movw\tr4, #65535" } } */ +/* { dg-final { scan-assembler "movt\tr4, 1023" } } */ +/* { dg-final { scan-assembler "ands\tr0, r4" } } */ +/* { dg-final { scan-assembler "movs\tr4, #3" } } */ +/* { dg-final { scan-assembler "movt\tr4, 32767" } } */ +/* { dg-final { scan-assembler "ands\tr1, r4" } } */ +/* { dg-final { scan-assembler "movs\tr4, #255" } } */ +/* { dg-final { scan-assembler "ands\tr2, r4" } } */ +/* { dg-final { scan-assembler "mov\tr4, ip" } } */ +/* { dg-final { scan-assembler "lsrs\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "lsls\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "movs\tr3, r4" } } */ +/* { dg-final { scan-assembler "bl\t__gnu_cmse_nonsecure_call" } } */ diff --git a/gcc/testsuite/gcc.target/arm/cmse/baseline/bitfield-7.c b/gcc/testsuite/gcc.target/arm/cmse/baseline/bitfield-7.c new file mode 100644 index 0000000000000000000000000000000000000000..3d8941bbfeebd59744c43f10c842816b36ec9915 --- /dev/null +++ b/gcc/testsuite/gcc.target/arm/cmse/baseline/bitfield-7.c @@ -0,0 +1,54 @@ +/* { dg-do compile } */ +/* { dg-options "-mcmse" } */ + +typedef struct +{ + unsigned char a; + unsigned short b :5; + unsigned char c; + unsigned short d :11; +} test_st; + +typedef union +{ + test_st st; + struct + { + unsigned int v1; + unsigned int v2; + unsigned int v3; + unsigned int v4; + }values; +} read_st; + + +typedef void __attribute__ ((cmse_nonsecure_call)) (*foo_ns) (test_st); + +int +main (void) +{ + read_st r; + foo_ns f; + + f = (foo_ns) 0x200000; + r.values.v1 = 0xFFFFFFFF; + r.values.v2 = 0xFFFFFFFF; + + f (r.st); + return 0; +} + + +/* { dg-final { scan-assembler "mov\tip, r4" } } */ +/* { dg-final { scan-assembler "movw\tr4, #8191" } } */ +/* { dg-final { scan-assembler "movt\tr4, 255" } } */ +/* { dg-final { scan-assembler "ands\tr0, r4" } } */ +/* { dg-final { scan-assembler "movw\tr4, #2047" } } */ +/* { dg-final { scan-assembler "ands\tr1, r4" } } */ +/* { dg-final { scan-assembler "mov\tr4, ip" } } */ +/* { dg-final { scan-assembler "lsrs\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "lsls\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "movs\tr2, r4" } } */ +/* { dg-final { scan-assembler "movs\tr3, r4" } } */ +/* { dg-final { scan-assembler "bl\t__gnu_cmse_nonsecure_call" } } */ + diff --git a/gcc/testsuite/gcc.target/arm/cmse/baseline/bitfield-8.c b/gcc/testsuite/gcc.target/arm/cmse/baseline/bitfield-8.c new file mode 100644 index 0000000000000000000000000000000000000000..9ffbb718d34d5bb8f10e1f3c0505c7dc393c670c --- /dev/null +++ b/gcc/testsuite/gcc.target/arm/cmse/baseline/bitfield-8.c @@ -0,0 +1,57 @@ +/* { dg-do compile } */ +/* { dg-options "-mcmse" } */ + +typedef struct +{ + unsigned char a; + unsigned int :0; + unsigned int b :1; + unsigned short :0; + unsigned short c; + unsigned int :0; + unsigned int d :21; +} test_st; + +typedef union +{ + test_st st; + struct + { + unsigned int v1; + unsigned int v2; + unsigned int v3; + unsigned int v4; + }values; +} read_st; + +typedef void __attribute__ ((cmse_nonsecure_call)) (*foo_ns) (test_st); + +int +main (void) +{ + read_st r; + foo_ns f; + + f = (foo_ns) 0x200000; + r.values.v1 = 0xFFFFFFFF; + r.values.v2 = 0xFFFFFFFF; + r.values.v3 = 0xFFFFFFFF; + + f (r.st); + return 0; +} + +/* { dg-final { scan-assembler "mov\tip, r4" } } */ +/* { dg-final { scan-assembler "movs\tr4, #255" } } */ +/* { dg-final { scan-assembler "ands\tr0, r4" } } */ +/* { dg-final { scan-assembler "movs\tr4, #1" } } */ +/* { dg-final { scan-assembler "movt\tr4, 65535" } } */ +/* { dg-final { scan-assembler "ands\tr1, r4" } } */ +/* { dg-final { scan-assembler "movw\tr4, #65535" } } */ +/* { dg-final { scan-assembler "movt\tr4, 31" } } */ +/* { dg-final { scan-assembler "ands\tr2, r4" } } */ +/* { dg-final { scan-assembler "mov\tr4, ip" } } */ +/* { dg-final { scan-assembler "lsrs\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "lsls\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "movs\tr3, r4" } } */ +/* { dg-final { scan-assembler "bl\t__gnu_cmse_nonsecure_call" } } */ diff --git a/gcc/testsuite/gcc.target/arm/cmse/baseline/bitfield-9.c b/gcc/testsuite/gcc.target/arm/cmse/baseline/bitfield-9.c new file mode 100644 index 0000000000000000000000000000000000000000..8a6141829237823b8734de045a590a1917fa60b8 --- /dev/null +++ b/gcc/testsuite/gcc.target/arm/cmse/baseline/bitfield-9.c @@ -0,0 +1,56 @@ +/* { dg-do compile } */ +/* { dg-options "-mcmse" } */ + +typedef struct +{ + char a:3; +} test_st3; + +typedef struct +{ + char a:3; +} test_st2; + +typedef struct +{ + test_st2 st2; + test_st3 st3; +} test_st; + +typedef union +{ + test_st st; + struct + { + unsigned int v1; + unsigned int v2; + unsigned int v3; + unsigned int v4; + }values; +} read_st; + +typedef void __attribute__ ((cmse_nonsecure_call)) (*foo_ns) (test_st); + +int +main (void) +{ + read_st r; + foo_ns f; + + f = (foo_ns) 0x200000; + r.values.v1 = 0xFFFFFFFF; + + f (r.st); + return 0; +} + +/* { dg-final { scan-assembler "mov\tip, r4" } } */ +/* { dg-final { scan-assembler "movw\tr4, #1799" } } */ +/* { dg-final { scan-assembler "ands\tr0, r4" } } */ +/* { dg-final { scan-assembler "mov\tr4, ip" } } */ +/* { dg-final { scan-assembler "lsrs\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "lsls\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "movs\tr1, r4" } } */ +/* { dg-final { scan-assembler "movs\tr2, r4" } } */ +/* { dg-final { scan-assembler "movs\tr3, r4" } } */ +/* { dg-final { scan-assembler "bl\t__gnu_cmse_nonsecure_call" } } */ diff --git a/gcc/testsuite/gcc.target/arm/cmse/baseline/bitfield-and-union-1.c b/gcc/testsuite/gcc.target/arm/cmse/baseline/bitfield-and-union-1.c new file mode 100644 index 0000000000000000000000000000000000000000..642f4e0346b5186c78645780b45fe9c838848d45 --- /dev/null +++ b/gcc/testsuite/gcc.target/arm/cmse/baseline/bitfield-and-union-1.c @@ -0,0 +1,96 @@ +/* { dg-do compile } */ +/* { dg-options "-mcmse" } */ + +typedef struct +{ + unsigned short a :11; +} test_st_4; + +typedef union +{ + char a; + test_st_4 st4; +}test_un_2; + +typedef struct +{ + unsigned char a; + unsigned int :0; + unsigned int b :1; + unsigned short :0; + unsigned short c; + unsigned int :0; + unsigned int d :21; +} test_st_3; + +typedef struct +{ + unsigned char a :3; + unsigned int b :13; + test_un_2 un2; +} test_st_2; + +typedef union +{ + test_st_2 st2; + test_st_3 st3; +}test_un_1; + +typedef struct +{ + unsigned char a :2; + unsigned char :0; + unsigned short b :5; + unsigned char :0; + unsigned char c :4; + test_un_1 un1; +} test_st_1; + +typedef union +{ + test_st_1 st1; + struct + { + unsigned int v1; + unsigned int v2; + unsigned int v3; + unsigned int v4; + }values; +} read_st_1; + + +typedef void __attribute__ ((cmse_nonsecure_call)) (*foo_ns) (test_st_1); + +int +main (void) +{ + read_st_1 r; + foo_ns f; + + f = (foo_ns) 0x200000; + r.values.v1 = 0xFFFFFFFF; + r.values.v2 = 0xFFFFFFFF; + r.values.v3 = 0xFFFFFFFF; + r.values.v4 = 0xFFFFFFFF; + + f (r.st1); + return 0; +} + +/* { dg-final { scan-assembler "mov\tip, r4" } } */ +/* { dg-final { scan-assembler "movw\tr4, #7939" } } */ +/* { dg-final { scan-assembler "movt\tr4, 15" } } */ +/* { dg-final { scan-assembler "ands\tr0, r4" } } */ +/* { dg-final { scan-assembler "movw\tr4, #65535" } } */ +/* { dg-final { scan-assembler "movt\tr4, 2047" } } */ +/* { dg-final { scan-assembler "ands\tr1, r4" } } */ +/* { dg-final { scan-assembler "movs\tr4, #1" } } */ +/* { dg-final { scan-assembler "movt\tr4, 65535" } } */ +/* { dg-final { scan-assembler "ands\tr2, r4" } } */ +/* { dg-final { scan-assembler "movw\tr4, #65535" } } */ +/* { dg-final { scan-assembler "movt\tr4, 31" } } */ +/* { dg-final { scan-assembler "ands\tr3, r4" } } */ +/* { dg-final { scan-assembler "mov\tr4, ip" } } */ +/* { dg-final { scan-assembler "lsrs\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "lsls\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "bl\t__gnu_cmse_nonsecure_call" } } */ diff --git a/gcc/testsuite/gcc.target/arm/cmse/baseline/cmse-11.c b/gcc/testsuite/gcc.target/arm/cmse/baseline/cmse-11.c new file mode 100644 index 0000000000000000000000000000000000000000..3007409ad88b9d2312ece4d55f3695787a1aa566 --- /dev/null +++ b/gcc/testsuite/gcc.target/arm/cmse/baseline/cmse-11.c @@ -0,0 +1,22 @@ +/* { dg-do compile } */ +/* { dg-require-effective-target arm_arch_v8m_base_ok } */ +/* { dg-add-options arm_arch_v8m_base } */ +/* { dg-options "-mcmse" } */ + +int __attribute__ ((cmse_nonsecure_call)) (*bar) (int); + +int +foo (int a) +{ + return bar (bar (a + 1)); +} + +/* Checks for saving and clearing prior to function call. */ +/* { dg-final { scan-assembler "lsrs\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "lsls\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "movs\tr1, r4" } } */ +/* { dg-final { scan-assembler "movs\tr2, r4" } } */ +/* { dg-final { scan-assembler "movs\tr3, r4" } } */ + +/* Now we check that we use the correct intrinsic to call. */ +/* { dg-final { scan-assembler "bl\t__gnu_cmse_nonsecure_call" } } */ diff --git a/gcc/testsuite/gcc.target/arm/cmse/baseline/cmse-13.c b/gcc/testsuite/gcc.target/arm/cmse/baseline/cmse-13.c new file mode 100644 index 0000000000000000000000000000000000000000..f2b931be5912b421f8427535ded3298883bec639 --- /dev/null +++ b/gcc/testsuite/gcc.target/arm/cmse/baseline/cmse-13.c @@ -0,0 +1,25 @@ +/* { dg-do compile } */ +/* { dg-require-effective-target arm_arch_v8m_base_ok } */ +/* { dg-add-options arm_arch_v8m_base } */ +/* { dg-options "-mcmse" } */ + +int __attribute__ ((cmse_nonsecure_call)) (*bar) (float, double); + +int +foo (int a) +{ + return bar (1.0f, 2.0) + a + 1; +} + +/* Checks for saving and clearing prior to function call. */ +/* { dg-final { scan-assembler "lsrs\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "lsls\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler-not "movs\tr0, r4" } } */ +/* { dg-final { scan-assembler "\n\tmovs\tr1, r4" } } */ +/* { dg-final { scan-assembler-not "\n\tmovs\tr2, r4\n\tmovs\tr3, r4" } } */ +/* { dg-final { scan-assembler-not "vmov" } } */ +/* { dg-final { scan-assembler-not "vmsr" } } */ + +/* Now we check that we use the correct intrinsic to call. */ +/* { dg-final { scan-assembler "bl\t__gnu_cmse_nonsecure_call" } } */ + diff --git a/gcc/testsuite/gcc.target/arm/cmse/baseline/cmse-6.c b/gcc/testsuite/gcc.target/arm/cmse/baseline/cmse-6.c new file mode 100644 index 0000000000000000000000000000000000000000..95da045690ae170a101949134482e821f27fe3aa --- /dev/null +++ b/gcc/testsuite/gcc.target/arm/cmse/baseline/cmse-6.c @@ -0,0 +1,21 @@ +/* { dg-do compile } */ +/* { dg-require-effective-target arm_arch_v8m_base_ok } */ +/* { dg-add-options arm_arch_v8m_base } */ +/* { dg-options "-mcmse" } */ + +int __attribute__ ((cmse_nonsecure_call)) (*bar) (double); + +int +foo (int a) +{ + return bar (2.0) + a + 1; +} + +/* Remember dont clear r0 and r1, because we are passing the double parameter + * for bar in them. */ +/* { dg-final { scan-assembler "lsrs\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "lsls\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "movs\tr2, r4" } } */ + +/* Now we check that we use the correct intrinsic to call. */ +/* { dg-final { scan-assembler "bl\t__gnu_cmse_nonsecure_call" } } */ diff --git a/gcc/testsuite/gcc.target/arm/cmse/baseline/union-1.c b/gcc/testsuite/gcc.target/arm/cmse/baseline/union-1.c new file mode 100644 index 0000000000000000000000000000000000000000..ff18e839b02c19c2c77769b18ef5ee1cfacf0c71 --- /dev/null +++ b/gcc/testsuite/gcc.target/arm/cmse/baseline/union-1.c @@ -0,0 +1,71 @@ +/* { dg-do compile } */ +/* { dg-options "-mcmse" } */ + +typedef struct +{ + unsigned char a :2; + unsigned char :0; + unsigned short b :5; + unsigned char :0; + unsigned short c :3; + unsigned char :0; + unsigned int d :9; +} test_st_1; + +typedef struct +{ + unsigned short a :7; + unsigned char :0; + unsigned char b :1; + unsigned char :0; + unsigned short c :6; +} test_st_2; + +typedef union +{ + test_st_1 st_1; + test_st_2 st_2; +}test_un; + +typedef union +{ + test_un un; + struct + { + unsigned int v1; + unsigned int v2; + unsigned int v3; + unsigned int v4; + }values; +} read_un; + + +typedef void __attribute__ ((cmse_nonsecure_call)) (*foo_ns) (test_un); + +int +main (void) +{ + read_un r; + foo_ns f; + + f = (foo_ns) 0x200000; + r.values.v1 = 0xFFFFFFFF; + r.values.v2 = 0xFFFFFFFF; + + f (r.un); + return 0; +} + +/* { dg-final { scan-assembler "mov\tip, r4" } } */ +/* { dg-final { scan-assembler "movw\tr4, #8063" } } */ +/* { dg-final { scan-assembler "movt\tr4, 63" } } */ +/* { dg-final { scan-assembler "ands\tr0, r4" } } */ +/* { dg-final { scan-assembler "movw\tr4, #511" } } */ +/* { dg-final { scan-assembler "ands\tr1, r4" } } */ +/* { dg-final { scan-assembler "mov\tr4, ip" } } */ +/* { dg-final { scan-assembler "lsrs\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "lsls\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "movs\tr2, r4" } } */ +/* { dg-final { scan-assembler "movs\tr3, r4" } } */ +/* { dg-final { scan-assembler "bl\t__gnu_cmse_nonsecure_call" } } */ + diff --git a/gcc/testsuite/gcc.target/arm/cmse/baseline/union-2.c b/gcc/testsuite/gcc.target/arm/cmse/baseline/union-2.c new file mode 100644 index 0000000000000000000000000000000000000000..b2e024b7f0776381f511077af91bd1ee5632ff12 --- /dev/null +++ b/gcc/testsuite/gcc.target/arm/cmse/baseline/union-2.c @@ -0,0 +1,86 @@ +/* { dg-do compile } */ +/* { dg-options "-mcmse" } */ + +typedef struct +{ + unsigned char a :2; + unsigned char :0; + unsigned short b :5; + unsigned char :0; + unsigned short c :3; + unsigned char :0; + unsigned int d :9; +} test_st_1; + +typedef struct +{ + unsigned short a :7; + unsigned char :0; + unsigned char b :1; + unsigned char :0; + unsigned short c :6; +} test_st_2; + +typedef struct +{ + unsigned char a; + unsigned int :0; + unsigned int b :1; + unsigned short :0; + unsigned short c; + unsigned int :0; + unsigned int d :21; +} test_st_3; + +typedef union +{ + test_st_1 st_1; + test_st_2 st_2; + test_st_3 st_3; +}test_un; + +typedef union +{ + test_un un; + struct + { + unsigned int v1; + unsigned int v2; + unsigned int v3; + unsigned int v4; + }values; +} read_un; + + +typedef void __attribute__ ((cmse_nonsecure_call)) (*foo_ns) (test_un); + +int +main (void) +{ + read_un r; + foo_ns f; + + f = (foo_ns) 0x200000; + r.values.v1 = 0xFFFFFFFF; + r.values.v2 = 0xFFFFFFFF; + r.values.v3 = 0xFFFFFFFF; + + f (r.un); + return 0; +} + +/* { dg-final { scan-assembler "mov\tip, r4" } } */ +/* { dg-final { scan-assembler "movw\tr4, #8191" } } */ +/* { dg-final { scan-assembler "movt\tr4, 63" } } */ +/* { dg-final { scan-assembler "ands\tr0, r4" } } */ +/* { dg-final { scan-assembler "movw\tr4, #511" } } */ +/* { dg-final { scan-assembler "movt\tr4, 65535" } } */ +/* { dg-final { scan-assembler "ands\tr1, r4" } } */ +/* { dg-final { scan-assembler "movw\tr4, #65535" } } */ +/* { dg-final { scan-assembler "movt\tr4, 31" } } */ +/* { dg-final { scan-assembler "ands\tr2, r4" } } */ +/* { dg-final { scan-assembler "mov\tr4, ip" } } */ +/* { dg-final { scan-assembler "lsrs\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "lsls\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "movs\tr3, r4" } } */ +/* { dg-final { scan-assembler "bl\t__gnu_cmse_nonsecure_call" } } */ diff --git a/gcc/testsuite/gcc.target/arm/cmse/cmse-9.c b/gcc/testsuite/gcc.target/arm/cmse/cmse-9.c index 1d97f0e1a37209bd129ffe96ce92a86bc2e0d5d1..9e81e30c891bbc1f9d2d1d68d03bacad9ce65fe1 100644 --- a/gcc/testsuite/gcc.target/arm/cmse/cmse-9.c +++ b/gcc/testsuite/gcc.target/arm/cmse/cmse-9.c @@ -2,11 +2,19 @@ /* { dg-skip-if "Testing exclusion of -mcmse" { arm-*-* } { "-mcmse" } { "" } } */ +void __attribute__ ((cmse_nonsecure_call)) (*bar) (int); /* { dg-warning "attribute ignored without -mcmse option" } */ +typedef void __attribute__ ((cmse_nonsecure_call)) baz (int); /* { dg-warning "attribute ignored without -mcmse option" } */ + int __attribute__ ((cmse_nonsecure_entry)) -foo (int a) +foo (int a, baz b) { /* { dg-warning "attribute ignored without -mcmse option" } */ + bar (a); + b (a); return a + 1; } +/* { dg-final { scan-assembler-not "bxns" } } */ +/* { dg-final { scan-assembler-not "blxns" } } */ +/* { dg-final { scan-assembler-not "bl\t__gnu_cmse_nonsecure_call" } } */ /* { dg-final { scan-assembler "foo:" } } */ /* { dg-final { scan-assembler-not "__acle_se_foo:" } } */ diff --git a/gcc/testsuite/gcc.target/arm/cmse/cmse.exp b/gcc/testsuite/gcc.target/arm/cmse/cmse.exp index 38f18414c2fefec56161e6ac3f7291b03a3b29a3..66a8b7da005f7dfeffbded61b02fd6a7473a1dcf 100644 --- a/gcc/testsuite/gcc.target/arm/cmse/cmse.exp +++ b/gcc/testsuite/gcc.target/arm/cmse/cmse.exp @@ -50,6 +50,8 @@ if {[check_effective_target_arm_arch_v8m_base_ok]} then { } if {[check_effective_target_arm_arch_v8m_main_ok]} then { + gcc-dg-runtest [lsort [glob $srcdir/$subdir/mainline/*.c]] \ + "" $DEFAULT_CFLAGS # Mainline -mfloat-abi=soft gcc-dg-runtest [lsort [glob $srcdir/$subdir/mainline/soft/*.c]] \ "-mfloat-abi=soft" $DEFAULT_CFLAGS diff --git a/gcc/testsuite/gcc.target/arm/cmse/mainline/bitfield-4.c b/gcc/testsuite/gcc.target/arm/cmse/mainline/bitfield-4.c new file mode 100644 index 0000000000000000000000000000000000000000..c3b1396d52e742a1710ed5ad33fbeb559d866f6f --- /dev/null +++ b/gcc/testsuite/gcc.target/arm/cmse/mainline/bitfield-4.c @@ -0,0 +1,55 @@ +/* { dg-do compile } */ +/* { dg-options "-mcmse" } */ + +typedef struct +{ + unsigned char a; + unsigned int b:5; + unsigned int c:11, :0, d:8; + struct { unsigned int ee:2; } e; +} test_st; + +typedef union +{ + test_st st; + struct + { + unsigned int v1; + unsigned int v2; + unsigned int v3; + unsigned int v4; + }values; +} read_st; + + +typedef void __attribute__ ((cmse_nonsecure_call)) (*foo_ns) (test_st); + +extern void foo (test_st st); + +int +main (void) +{ + read_st r; + foo_ns f; + + f = (foo_ns) 0x200000; + r.values.v1 = 0xFFFFFFFF; + r.values.v2 = 0xFFFFFFFF; + r.values.v3 = 0xFFFFFFFF; + r.values.v4 = 0xFFFFFFFF; + + f (r.st); + return 0; +} + +/* { dg-final { scan-assembler "movw\tip, #65535" } } */ +/* { dg-final { scan-assembler "movt\tip, 255" } } */ +/* { dg-final { scan-assembler "and\tr0, r0, ip" } } */ +/* { dg-final { scan-assembler "mov\tip, #255" } } */ +/* { dg-final { scan-assembler "and\tr1, r1, ip" } } */ +/* { dg-final { scan-assembler "mov\tip, #3" } } */ +/* { dg-final { scan-assembler "and\tr2, r2, ip" } } */ +/* { dg-final { scan-assembler "lsrs\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "lsls\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "mov\tr3, r4" } } */ +/* { dg-final { scan-assembler "bl\t__gnu_cmse_nonsecure_call" } } */ diff --git a/gcc/testsuite/gcc.target/arm/cmse/mainline/bitfield-5.c b/gcc/testsuite/gcc.target/arm/cmse/mainline/bitfield-5.c new file mode 100644 index 0000000000000000000000000000000000000000..0d029044aa9aa1d412c28ee5d18a8e3d0be36546 --- /dev/null +++ b/gcc/testsuite/gcc.target/arm/cmse/mainline/bitfield-5.c @@ -0,0 +1,51 @@ +/* { dg-do compile } */ +/* { dg-options "-mcmse" } */ + +typedef struct +{ + unsigned char a; + unsigned short b :5; + unsigned char c; + unsigned short d :11; +} test_st; + +typedef union +{ + test_st st; + struct + { + unsigned int v1; + unsigned int v2; + unsigned int v3; + unsigned int v4; + }values; +} read_st; + + +typedef void __attribute__ ((cmse_nonsecure_call)) (*foo_ns) (test_st); + +int +main (void) +{ + read_st r; + foo_ns f; + + f = (foo_ns) 0x200000; + r.values.v1 = 0xFFFFFFFF; + r.values.v2 = 0xFFFFFFFF; + + f (r.st); + return 0; +} + +/* { dg-final { scan-assembler "movw\tip, #8191" } } */ +/* { dg-final { scan-assembler "movt\tip, 255" } } */ +/* { dg-final { scan-assembler "and\tr0, r0, ip" } } */ +/* { dg-final { scan-assembler "movw\tip, #2047" } } */ +/* { dg-final { scan-assembler "and\tr1, r1, ip" } } */ +/* { dg-final { scan-assembler "lsrs\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "lsls\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "mov\tr2, r4" } } */ +/* { dg-final { scan-assembler "mov\tr3, r4" } } */ +/* { dg-final { scan-assembler "bl\t__gnu_cmse_nonsecure_call" } } */ + diff --git a/gcc/testsuite/gcc.target/arm/cmse/mainline/bitfield-6.c b/gcc/testsuite/gcc.target/arm/cmse/mainline/bitfield-6.c new file mode 100644 index 0000000000000000000000000000000000000000..005515ab9cb85c201a2a8b2f6417d73ceeacbc60 --- /dev/null +++ b/gcc/testsuite/gcc.target/arm/cmse/mainline/bitfield-6.c @@ -0,0 +1,61 @@ +/* { dg-do compile } */ +/* { dg-options "-mcmse" } */ + +typedef struct +{ + unsigned char a; + unsigned int b : 3; + unsigned int c : 14; + unsigned int d : 1; + struct { + unsigned int ee : 2; + unsigned short ff : 15; + } e; + unsigned char g : 1; + unsigned char : 4; + unsigned char h : 3; +} test_st; + +typedef union +{ + test_st st; + struct + { + unsigned int v1; + unsigned int v2; + unsigned int v3; + unsigned int v4; + }values; +} read_st; + + +typedef void __attribute__ ((cmse_nonsecure_call)) (*foo_ns) (test_st); + +int +main (void) +{ + read_st r; + foo_ns f; + + f = (foo_ns) 0x200000; + r.values.v1 = 0xFFFFFFFF; + r.values.v2 = 0xFFFFFFFF; + r.values.v3 = 0xFFFFFFFF; + r.values.v4 = 0xFFFFFFFF; + + f (r.st); + return 0; +} + +/* { dg-final { scan-assembler "movw\tip, #65535" } } */ +/* { dg-final { scan-assembler "movt\tip, 1023" } } */ +/* { dg-final { scan-assembler "and\tr0, r0, ip" } } */ +/* { dg-final { scan-assembler "mov\tip, #3" } } */ +/* { dg-final { scan-assembler "movt\tip, 32767" } } */ +/* { dg-final { scan-assembler "and\tr1, r1, ip" } } */ +/* { dg-final { scan-assembler "mov\tip, #255" } } */ +/* { dg-final { scan-assembler "and\tr2, r2, ip" } } */ +/* { dg-final { scan-assembler "lsrs\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "lsls\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "mov\tr3, r4" } } */ +/* { dg-final { scan-assembler "bl\t__gnu_cmse_nonsecure_call" } } */ diff --git a/gcc/testsuite/gcc.target/arm/cmse/mainline/bitfield-7.c b/gcc/testsuite/gcc.target/arm/cmse/mainline/bitfield-7.c new file mode 100644 index 0000000000000000000000000000000000000000..6dd218e62fdee2a6af819079ba1ea1909185d076 --- /dev/null +++ b/gcc/testsuite/gcc.target/arm/cmse/mainline/bitfield-7.c @@ -0,0 +1,52 @@ +/* { dg-do compile } */ +/* { dg-options "-mcmse" } */ + +typedef struct +{ + unsigned char a; + unsigned short b :5; + unsigned char c; + unsigned short d :11; +} test_st; + +typedef union +{ + test_st st; + struct + { + unsigned int v1; + unsigned int v2; + unsigned int v3; + unsigned int v4; + }values; +} read_st; + + +typedef void __attribute__ ((cmse_nonsecure_call)) (*foo_ns) (test_st); + +int +main (void) +{ + read_st r; + foo_ns f; + + f = (foo_ns) 0x200000; + r.values.v1 = 0xFFFFFFFF; + r.values.v2 = 0xFFFFFFFF; + + f (r.st); + return 0; +} + + +/* { dg-final { scan-assembler "movw\tip, #8191" } } */ +/* { dg-final { scan-assembler "movt\tip, 255" } } */ +/* { dg-final { scan-assembler "and\tr0, r0, ip" } } */ +/* { dg-final { scan-assembler "movw\tip, #2047" } } */ +/* { dg-final { scan-assembler "and\tr1, r1, ip" } } */ +/* { dg-final { scan-assembler "lsrs\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "lsls\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "mov\tr2, r4" } } */ +/* { dg-final { scan-assembler "mov\tr3, r4" } } */ +/* { dg-final { scan-assembler "bl\t__gnu_cmse_nonsecure_call" } } */ + diff --git a/gcc/testsuite/gcc.target/arm/cmse/mainline/bitfield-8.c b/gcc/testsuite/gcc.target/arm/cmse/mainline/bitfield-8.c new file mode 100644 index 0000000000000000000000000000000000000000..c833bcb0ae978572fad46780bc180f61ccb14345 --- /dev/null +++ b/gcc/testsuite/gcc.target/arm/cmse/mainline/bitfield-8.c @@ -0,0 +1,55 @@ +/* { dg-do compile } */ +/* { dg-options "-mcmse" } */ + +typedef struct +{ + unsigned char a; + unsigned int :0; + unsigned int b :1; + unsigned short :0; + unsigned short c; + unsigned int :0; + unsigned int d :21; +} test_st; + +typedef union +{ + test_st st; + struct + { + unsigned int v1; + unsigned int v2; + unsigned int v3; + unsigned int v4; + }values; +} read_st; + +typedef void __attribute__ ((cmse_nonsecure_call)) (*foo_ns) (test_st); + +int +main (void) +{ + read_st r; + foo_ns f; + + f = (foo_ns) 0x200000; + r.values.v1 = 0xFFFFFFFF; + r.values.v2 = 0xFFFFFFFF; + r.values.v3 = 0xFFFFFFFF; + + f (r.st); + return 0; +} + +/* { dg-final { scan-assembler "mov\tip, #255" } } */ +/* { dg-final { scan-assembler "and\tr0, r0, ip" } } */ +/* { dg-final { scan-assembler "mov\tip, #1" } } */ +/* { dg-final { scan-assembler "movt\tip, 65535" } } */ +/* { dg-final { scan-assembler "and\tr1, r1, ip" } } */ +/* { dg-final { scan-assembler "movw\tip, #65535" } } */ +/* { dg-final { scan-assembler "movt\tip, 31" } } */ +/* { dg-final { scan-assembler "and\tr2, r2, ip" } } */ +/* { dg-final { scan-assembler "lsrs\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "lsls\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "mov\tr3, r4" } } */ +/* { dg-final { scan-assembler "bl\t__gnu_cmse_nonsecure_call" } } */ diff --git a/gcc/testsuite/gcc.target/arm/cmse/mainline/bitfield-9.c b/gcc/testsuite/gcc.target/arm/cmse/mainline/bitfield-9.c new file mode 100644 index 0000000000000000000000000000000000000000..d6e4cdb8c44b19c811f3a7b4fbce102a6c768f2b --- /dev/null +++ b/gcc/testsuite/gcc.target/arm/cmse/mainline/bitfield-9.c @@ -0,0 +1,54 @@ +/* { dg-do compile } */ +/* { dg-options "-mcmse" } */ + +typedef struct +{ + char a:3; +} test_st3; + +typedef struct +{ + char a:3; +} test_st2; + +typedef struct +{ + test_st2 st2; + test_st3 st3; +} test_st; + +typedef union +{ + test_st st; + struct + { + unsigned int v1; + unsigned int v2; + unsigned int v3; + unsigned int v4; + }values; +} read_st; + +typedef void __attribute__ ((cmse_nonsecure_call)) (*foo_ns) (test_st); + +int +main (void) +{ + read_st r; + foo_ns f; + + f = (foo_ns) 0x200000; + r.values.v1 = 0xFFFFFFFF; + + f (r.st); + return 0; +} + +/* { dg-final { scan-assembler "movw\tip, #1799" } } */ +/* { dg-final { scan-assembler "and\tr0, r0, ip" } } */ +/* { dg-final { scan-assembler "lsrs\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "lsls\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "mov\tr1, r4" } } */ +/* { dg-final { scan-assembler "mov\tr2, r4" } } */ +/* { dg-final { scan-assembler "mov\tr3, r4" } } */ +/* { dg-final { scan-assembler "bl\t__gnu_cmse_nonsecure_call" } } */ diff --git a/gcc/testsuite/gcc.target/arm/cmse/mainline/bitfield-and-union-1.c b/gcc/testsuite/gcc.target/arm/cmse/mainline/bitfield-and-union-1.c new file mode 100644 index 0000000000000000000000000000000000000000..e139ba61af57f06cff5a9d121c97bbf41e170bb9 --- /dev/null +++ b/gcc/testsuite/gcc.target/arm/cmse/mainline/bitfield-and-union-1.c @@ -0,0 +1,94 @@ +/* { dg-do compile } */ +/* { dg-options "-mcmse" } */ + +typedef struct +{ + unsigned short a :11; +} test_st_4; + +typedef union +{ + char a; + test_st_4 st4; +}test_un_2; + +typedef struct +{ + unsigned char a; + unsigned int :0; + unsigned int b :1; + unsigned short :0; + unsigned short c; + unsigned int :0; + unsigned int d :21; +} test_st_3; + +typedef struct +{ + unsigned char a :3; + unsigned int b :13; + test_un_2 un2; +} test_st_2; + +typedef union +{ + test_st_2 st2; + test_st_3 st3; +}test_un_1; + +typedef struct +{ + unsigned char a :2; + unsigned char :0; + unsigned short b :5; + unsigned char :0; + unsigned char c :4; + test_un_1 un1; +} test_st_1; + +typedef union +{ + test_st_1 st1; + struct + { + unsigned int v1; + unsigned int v2; + unsigned int v3; + unsigned int v4; + }values; +} read_st_1; + + +typedef void __attribute__ ((cmse_nonsecure_call)) (*foo_ns) (test_st_1); + +int +main (void) +{ + read_st_1 r; + foo_ns f; + + f = (foo_ns) 0x200000; + r.values.v1 = 0xFFFFFFFF; + r.values.v2 = 0xFFFFFFFF; + r.values.v3 = 0xFFFFFFFF; + r.values.v4 = 0xFFFFFFFF; + + f (r.st1); + return 0; +} + +/* { dg-final { scan-assembler "movw\tip, #7939" } } */ +/* { dg-final { scan-assembler "movt\tip, 15" } } */ +/* { dg-final { scan-assembler "and\tr0, r0, ip" } } */ +/* { dg-final { scan-assembler "movw\tip, #65535" } } */ +/* { dg-final { scan-assembler "movt\tip, 2047" } } */ +/* { dg-final { scan-assembler "and\tr1, r1, ip" } } */ +/* { dg-final { scan-assembler "mov\tip, #1" } } */ +/* { dg-final { scan-assembler "movt\tip, 65535" } } */ +/* { dg-final { scan-assembler "and\tr2, r2, ip" } } */ +/* { dg-final { scan-assembler "movw\tip, #65535" } } */ +/* { dg-final { scan-assembler "movt\tip, 31" } } */ +/* { dg-final { scan-assembler "and\tr3, r3, ip" } } */ +/* { dg-final { scan-assembler "lsrs\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "lsls\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "bl\t__gnu_cmse_nonsecure_call" } } */ diff --git a/gcc/testsuite/gcc.target/arm/cmse/mainline/hard-sp/cmse-13.c b/gcc/testsuite/gcc.target/arm/cmse/mainline/hard-sp/cmse-13.c new file mode 100644 index 0000000000000000000000000000000000000000..285fa854b3d61c4d856e9be863ee73a87f1b11a9 --- /dev/null +++ b/gcc/testsuite/gcc.target/arm/cmse/mainline/hard-sp/cmse-13.c @@ -0,0 +1,43 @@ +/* { dg-do compile } */ +/* { dg-require-effective-target arm_arch_v8m_main_ok } */ +/* { dg-add-options arm_arch_v8m_main } */ +/* { dg-skip-if "Do not combine float-abi= hard | soft | softfp" {*-*-*} {"-mfloat-abi=soft" -mfloat-abi=softfp } {""} } */ +/* { dg-skip-if "Skip these if testing double precision" {*-*-*} {"-mfpu=fpv[4-5]-d16"} {""} } */ +/* { dg-options "-mcmse -mfloat-abi=hard -mfpu=fpv5-sp-d16" } */ + + +int __attribute__ ((cmse_nonsecure_call)) (*bar) (float, double); + +int +foo (int a) +{ + return bar (3.0f, 2.0) + a + 1; +} + +/* Checks for saving and clearing prior to function call. */ +/* { dg-final { scan-assembler "lsrs\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "lsls\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "mov\tr0, r4" } } */ +/* { dg-final { scan-assembler "mov\tr1, r4" } } */ +/* { dg-final { scan-assembler "mov\tr2, r4" } } */ +/* { dg-final { scan-assembler "mov\tr3, r4" } } */ +/* { dg-final { scan-assembler-not "vmov\.f32\ts0, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f32\ts1, #1\.0" } } */ +/* { dg-final { scan-assembler-not "vmov\.f32\ts2, #1\.0" } } */ +/* { dg-final { scan-assembler-not "vmov\.f32\ts3, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f32\ts4, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f32\ts5, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f32\ts6, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f32\ts7, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f32\ts8, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f32\ts9, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f32\ts10, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f32\ts11, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f32\ts12, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f32\ts13, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f32\ts14, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f32\ts15, #1\.0" } } */ + +/* Now we check that we use the correct intrinsic to call. */ +/* { dg-final { scan-assembler "bl\t__gnu_cmse_nonsecure_call" } } */ + diff --git a/gcc/testsuite/gcc.target/arm/cmse/mainline/hard-sp/cmse-7.c b/gcc/testsuite/gcc.target/arm/cmse/mainline/hard-sp/cmse-7.c new file mode 100644 index 0000000000000000000000000000000000000000..8f56aaf2a97e740a77473cab245614b6fa696c04 --- /dev/null +++ b/gcc/testsuite/gcc.target/arm/cmse/mainline/hard-sp/cmse-7.c @@ -0,0 +1,42 @@ +/* { dg-do compile } */ +/* { dg-require-effective-target arm_arch_v8m_main_ok } */ +/* { dg-add-options arm_arch_v8m_main } */ +/* { dg-skip-if "Do not combine float-abi= hard | soft | softfp" {*-*-*} {"-mfloat-abi=soft" -mfloat-abi=softfp } {""} } */ +/* { dg-skip-if "Skip these if testing double precision" {*-*-*} {"-mfpu=fpv[4-5]-d16"} {""} } */ +/* { dg-options "-mcmse -mfloat-abi=hard -mfpu=fpv5-sp-d16" } */ + +int __attribute__ ((cmse_nonsecure_call)) (*bar) (void); + +int +foo (int a) +{ + return bar () + a + 1; +} + +/* Checks for saving and clearing prior to function call. */ +/* { dg-final { scan-assembler "lsrs\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "lsls\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "mov\tr0, r4" } } */ +/* { dg-final { scan-assembler "mov\tr1, r4" } } */ +/* { dg-final { scan-assembler "mov\tr2, r4" } } */ +/* { dg-final { scan-assembler "mov\tr3, r4" } } */ +/* { dg-final { scan-assembler "vmov\.f32\ts0, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f32\ts1, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f32\ts2, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f32\ts3, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f32\ts4, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f32\ts5, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f32\ts6, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f32\ts7, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f32\ts8, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f32\ts9, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f32\ts10, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f32\ts11, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f32\ts12, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f32\ts13, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f32\ts14, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f32\ts15, #1\.0" } } */ + +/* Now we check that we use the correct intrinsic to call. */ +/* { dg-final { scan-assembler "bl\t__gnu_cmse_nonsecure_call" } } */ + diff --git a/gcc/testsuite/gcc.target/arm/cmse/mainline/hard-sp/cmse-8.c b/gcc/testsuite/gcc.target/arm/cmse/mainline/hard-sp/cmse-8.c new file mode 100644 index 0000000000000000000000000000000000000000..749f8a7278cb4ea9fd4462887ce7f37b57f83248 --- /dev/null +++ b/gcc/testsuite/gcc.target/arm/cmse/mainline/hard-sp/cmse-8.c @@ -0,0 +1,41 @@ +/* { dg-do compile } */ +/* { dg-require-effective-target arm_arch_v8m_main_ok } */ +/* { dg-add-options arm_arch_v8m_main } */ +/* { dg-skip-if "Do not combine float-abi= hard | soft | softfp" {*-*-*} {"-mfloat-abi=soft" -mfloat-abi=softfp } {""} } */ +/* { dg-skip-if "Skip these if testing double precision" {*-*-*} {"-mfpu=fpv[4-5]-d16"} {""} } */ +/* { dg-options "-mcmse -mfloat-abi=hard -mfpu=fpv5-sp-d16" } */ + +int __attribute__ ((cmse_nonsecure_call)) (*bar) (double); + +int +foo (int a) +{ + return bar (2.0) + a + 1; +} + +/* Checks for saving and clearing prior to function call. */ +/* { dg-final { scan-assembler "lsrs\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "lsls\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "mov\tr0, r4" } } */ +/* { dg-final { scan-assembler "mov\tr1, r4" } } */ +/* { dg-final { scan-assembler "mov\tr2, r4" } } */ +/* { dg-final { scan-assembler "mov\tr3, r4" } } */ +/* { dg-final { scan-assembler-not "vmov\.f32\ts0, #1\.0" } } */ +/* { dg-final { scan-assembler-not "vmov\.f32\ts1, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f32\ts2, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f32\ts3, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f32\ts4, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f32\ts5, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f32\ts6, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f32\ts7, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f32\ts8, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f32\ts9, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f32\ts10, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f32\ts11, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f32\ts12, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f32\ts13, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f32\ts14, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f32\ts15, #1\.0" } } */ + +/* Now we check that we use the correct intrinsic to call. */ +/* { dg-final { scan-assembler "bl\t__gnu_cmse_nonsecure_call" } } */ diff --git a/gcc/testsuite/gcc.target/arm/cmse/mainline/hard/cmse-13.c b/gcc/testsuite/gcc.target/arm/cmse/mainline/hard/cmse-13.c new file mode 100644 index 0000000000000000000000000000000000000000..4ad5068aac263f1c2edb17b8707fc9d1c0af6959 --- /dev/null +++ b/gcc/testsuite/gcc.target/arm/cmse/mainline/hard/cmse-13.c @@ -0,0 +1,35 @@ +/* { dg-do compile } */ +/* { dg-require-effective-target arm_arch_v8m_main_ok } */ +/* { dg-add-options arm_arch_v8m_main } */ +/* { dg-skip-if "Do not combine float-abi= hard | soft | softfp" {*-*-*} {"-mfloat-abi=soft" -mfloat-abi=softfp } {""} } */ +/* { dg-skip-if "Skip these if testing single precision" {*-*-*} {"-mfpu=*-sp-*"} {""} } */ +/* { dg-options "-mcmse -mfloat-abi=hard -mfpu=fpv5-d16" } */ + + +int __attribute__ ((cmse_nonsecure_call)) (*bar) (float, double); + +int +foo (int a) +{ + return bar (3.0f, 2.0) + a + 1; +} + +/* Checks for saving and clearing prior to function call. */ +/* { dg-final { scan-assembler "lsrs\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "lsls\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "mov\tr0, r4" } } */ +/* { dg-final { scan-assembler "mov\tr1, r4" } } */ +/* { dg-final { scan-assembler "mov\tr2, r4" } } */ +/* { dg-final { scan-assembler "mov\tr3, r4" } } */ +/* { dg-final { scan-assembler-not "vmov\.f32\ts0, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f32\ts1, #1\.0" } } */ +/* { dg-final { scan-assembler-not "vmov\.f64\td1, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f64\td2, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f64\td3, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f64\td4, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f64\td5, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f64\td6, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f64\td7, #1\.0" } } */ + +/* Now we check that we use the correct intrinsic to call. */ +/* { dg-final { scan-assembler "bl\t__gnu_cmse_nonsecure_call" } } */ diff --git a/gcc/testsuite/gcc.target/arm/cmse/mainline/hard/cmse-7.c b/gcc/testsuite/gcc.target/arm/cmse/mainline/hard/cmse-7.c new file mode 100644 index 0000000000000000000000000000000000000000..b18259eaef6da1933ef2d58d63b97d4bb4e450f4 --- /dev/null +++ b/gcc/testsuite/gcc.target/arm/cmse/mainline/hard/cmse-7.c @@ -0,0 +1,34 @@ +/* { dg-do compile } */ +/* { dg-require-effective-target arm_arch_v8m_main_ok } */ +/* { dg-add-options arm_arch_v8m_main } */ +/* { dg-skip-if "Do not combine float-abi= hard | soft | softfp" {*-*-*} {"-mfloat-abi=soft" -mfloat-abi=softfp } {""} } */ +/* { dg-skip-if "Skip these if testing single precision" {*-*-*} {"-mfpu=*-sp-*"} {""} } */ +/* { dg-options "-mcmse -mfloat-abi=hard -mfpu=fpv5-d16" } */ + +int __attribute__ ((cmse_nonsecure_call)) (*bar) (void); + +int +foo (int a) +{ + return bar () + a + 1; +} + +/* Checks for saving and clearing prior to function call. */ +/* { dg-final { scan-assembler "lsrs\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "lsls\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "mov\tr0, r4" } } */ +/* { dg-final { scan-assembler "mov\tr1, r4" } } */ +/* { dg-final { scan-assembler "mov\tr2, r4" } } */ +/* { dg-final { scan-assembler "mov\tr3, r4" } } */ +/* { dg-final { scan-assembler "vmov\.f64\td0, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f64\td1, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f64\td2, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f64\td3, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f64\td4, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f64\td5, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f64\td6, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f64\td7, #1\.0" } } */ + +/* Now we check that we use the correct intrinsic to call. */ +/* { dg-final { scan-assembler "bl\t__gnu_cmse_nonsecure_call" } } */ + diff --git a/gcc/testsuite/gcc.target/arm/cmse/mainline/hard/cmse-8.c b/gcc/testsuite/gcc.target/arm/cmse/mainline/hard/cmse-8.c new file mode 100644 index 0000000000000000000000000000000000000000..182ddf9540374f30ae3694259f1edb62161455e1 --- /dev/null +++ b/gcc/testsuite/gcc.target/arm/cmse/mainline/hard/cmse-8.c @@ -0,0 +1,33 @@ +/* { dg-do compile } */ +/* { dg-require-effective-target arm_arch_v8m_main_ok } */ +/* { dg-add-options arm_arch_v8m_main } */ +/* { dg-skip-if "Do not combine float-abi= hard | soft | softfp" {*-*-*} {"-mfloat-abi=soft" -mfloat-abi=softfp } {""} } */ +/* { dg-skip-if "Skip these if testing single precision" {*-*-*} {"-mfpu=*-sp-*"} {""} } */ +/* { dg-options "-mcmse -mfloat-abi=hard -mfpu=fpv5-d16" } */ + +int __attribute__ ((cmse_nonsecure_call)) (*bar) (double); + +int +foo (int a) +{ + return bar (2.0) + a + 1; +} + +/* Checks for saving and clearing prior to function call. */ +/* { dg-final { scan-assembler "lsrs\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "lsls\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "mov\tr0, r4" } } */ +/* { dg-final { scan-assembler "mov\tr1, r4" } } */ +/* { dg-final { scan-assembler "mov\tr2, r4" } } */ +/* { dg-final { scan-assembler "mov\tr3, r4" } } */ +/* { dg-final { scan-assembler-not "vmov\.f64\td0, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f64\td1, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f64\td2, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f64\td3, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f64\td4, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f64\td5, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f64\td6, #1\.0" } } */ +/* { dg-final { scan-assembler "vmov\.f64\td7, #1\.0" } } */ + +/* Now we check that we use the correct intrinsic to call. */ +/* { dg-final { scan-assembler "bl\t__gnu_cmse_nonsecure_call" } } */ diff --git a/gcc/testsuite/gcc.target/arm/cmse/mainline/soft/cmse-13.c b/gcc/testsuite/gcc.target/arm/cmse/mainline/soft/cmse-13.c new file mode 100644 index 0000000000000000000000000000000000000000..dbbd262c89085eb0dc8737ad7955c3a12531492b --- /dev/null +++ b/gcc/testsuite/gcc.target/arm/cmse/mainline/soft/cmse-13.c @@ -0,0 +1,27 @@ +/* { dg-do compile } */ +/* { dg-require-effective-target arm_arch_v8m_main_ok } */ +/* { dg-add-options arm_arch_v8m_main } */ +/* { dg-skip-if "Do not combine float-abi= hard | soft | softfp" {*-*-*} {"-mfloat-abi=hard" -mfloat-abi=softfp } {""} } */ +/* { dg-options "-mcmse -mfloat-abi=soft" } */ + +int __attribute__ ((cmse_nonsecure_call)) (*bar) (float, double); + +int +foo (int a) +{ + return bar (1.0f, 2.0) + a + 1; +} + +/* Checks for saving and clearing prior to function call. */ +/* { dg-final { scan-assembler "lsrs\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "lsls\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler-not "mov\tr0, r4" } } */ +/* { dg-final { scan-assembler "mov\tr1, r4" } } */ +/* { dg-final { scan-assembler-not "mov\tr2, r4" } } */ +/* { dg-final { scan-assembler-not "mov\tr3, r4" } } */ +/* { dg-final { scan-assembler-not "vmov" } } */ +/* { dg-final { scan-assembler-not "vmsr" } } */ + +/* Now we check that we use the correct intrinsic to call. */ +/* { dg-final { scan-assembler "bl\t__gnu_cmse_nonsecure_call" } } */ + diff --git a/gcc/testsuite/gcc.target/arm/cmse/mainline/soft/cmse-7.c b/gcc/testsuite/gcc.target/arm/cmse/mainline/soft/cmse-7.c new file mode 100644 index 0000000000000000000000000000000000000000..e33568400ef830abaa019b5c2727a9f3b5d5704b --- /dev/null +++ b/gcc/testsuite/gcc.target/arm/cmse/mainline/soft/cmse-7.c @@ -0,0 +1,27 @@ +/* { dg-do compile } */ +/* { dg-require-effective-target arm_arch_v8m_main_ok } */ +/* { dg-add-options arm_arch_v8m_main } */ +/* { dg-skip-if "Do not combine float-abi= hard | soft | softfp" {*-*-*} {"-mfloat-abi=hard" -mfloat-abi=softfp } {""} } */ +/* { dg-options "-mcmse -mfloat-abi=soft" } */ + +int __attribute__ ((cmse_nonsecure_call)) (*bar) (void); + +int +foo (int a) +{ + return bar () + a + 1; +} + +/* Checks for saving and clearing prior to function call. */ +/* { dg-final { scan-assembler "lsrs\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "lsls\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "mov\tr0, r4" } } */ +/* { dg-final { scan-assembler "mov\tr1, r4" } } */ +/* { dg-final { scan-assembler "mov\tr2, r4" } } */ +/* { dg-final { scan-assembler "mov\tr3, r4" } } */ +/* { dg-final { scan-assembler-not "vmov" } } */ +/* { dg-final { scan-assembler-not "vmsr" } } */ + +/* Now we check that we use the correct intrinsic to call. */ +/* { dg-final { scan-assembler "bl\t__gnu_cmse_nonsecure_call" } } */ + diff --git a/gcc/testsuite/gcc.target/arm/cmse/mainline/soft/cmse-8.c b/gcc/testsuite/gcc.target/arm/cmse/mainline/soft/cmse-8.c new file mode 100644 index 0000000000000000000000000000000000000000..024a12e0a414730eb1cbebfca8574d548238ab28 --- /dev/null +++ b/gcc/testsuite/gcc.target/arm/cmse/mainline/soft/cmse-8.c @@ -0,0 +1,26 @@ +/* { dg-do compile } */ +/* { dg-require-effective-target arm_arch_v8m_main_ok } */ +/* { dg-add-options arm_arch_v8m_main } */ +/* { dg-skip-if "Do not combine float-abi= hard | soft | softfp" {*-*-*} {"-mfloat-abi=hard" -mfloat-abi=softfp } {""} } */ +/* { dg-options "-mcmse -mfloat-abi=soft" } */ + +int __attribute__ ((cmse_nonsecure_call)) (*bar) (double); + +int +foo (int a) +{ + return bar (2.0) + a + 1; +} + +/* Checks for saving and clearing prior to function call. */ +/* { dg-final { scan-assembler "lsrs\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "lsls\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler-not "mov\tr0, r4" } } */ +/* { dg-final { scan-assembler-not "mov\tr1, r4" } } */ +/* { dg-final { scan-assembler "mov\tr2, r4" } } */ +/* { dg-final { scan-assembler "mov\tr3, r4" } } */ +/* { dg-final { scan-assembler-not "vmov" } } */ +/* { dg-final { scan-assembler-not "vmsr" } } */ + +/* Now we check that we use the correct intrinsic to call. */ +/* { dg-final { scan-assembler "bl\t__gnu_cmse_nonsecure_call" } } */ diff --git a/gcc/testsuite/gcc.target/arm/cmse/mainline/softfp-sp/cmse-7.c b/gcc/testsuite/gcc.target/arm/cmse/mainline/softfp-sp/cmse-7.c new file mode 100644 index 0000000000000000000000000000000000000000..fb195eb58d59fe9ea5ed74af79646199c61bcdae --- /dev/null +++ b/gcc/testsuite/gcc.target/arm/cmse/mainline/softfp-sp/cmse-7.c @@ -0,0 +1,26 @@ +/* { dg-do compile } */ +/* { dg-require-effective-target arm_arch_v8m_main_ok } */ +/* { dg-add-options arm_arch_v8m_main } */ +/* { dg-skip-if "Do not combine float-abi= hard | soft | softfp" {*-*-*} {"-mfloat-abi=soft" -mfloat-abi=hard } {""} } */ +/* { dg-skip-if "Skip these if testing double precision" {*-*-*} {"-mfpu=fpv[4-5]-d16"} {""} } */ +/* { dg-options "-mcmse -mfloat-abi=softfp -mfpu=fpv5-sp-d16" } */ + +int __attribute__ ((cmse_nonsecure_call)) (*bar) (void); + +int +foo (int a) +{ + return bar () + a + 1; +} + +/* Checks for saving and clearing prior to function call. */ +/* { dg-final { scan-assembler "lsrs\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "lsls\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "mov\tr0, r4" } } */ +/* { dg-final { scan-assembler "mov\tr1, r4" } } */ +/* { dg-final { scan-assembler "mov\tr2, r4" } } */ +/* { dg-final { scan-assembler "mov\tr3, r4" } } */ + +/* Now we check that we use the correct intrinsic to call. */ +/* { dg-final { scan-assembler "bl\t__gnu_cmse_nonsecure_call" } } */ + diff --git a/gcc/testsuite/gcc.target/arm/cmse/mainline/softfp-sp/cmse-8.c b/gcc/testsuite/gcc.target/arm/cmse/mainline/softfp-sp/cmse-8.c new file mode 100644 index 0000000000000000000000000000000000000000..22ed3f8af882f96da49919c60fc6f4cd74dfc54b --- /dev/null +++ b/gcc/testsuite/gcc.target/arm/cmse/mainline/softfp-sp/cmse-8.c @@ -0,0 +1,25 @@ +/* { dg-do compile } */ +/* { dg-require-effective-target arm_arch_v8m_main_ok } */ +/* { dg-add-options arm_arch_v8m_main } */ +/* { dg-skip-if "Do not combine float-abi= hard | soft | softfp" {*-*-*} {"-mfloat-abi=soft" -mfloat-abi=hard } {""} } */ +/* { dg-skip-if "Skip these if testing double precision" {*-*-*} {"-mfpu=fpv[4-5]-d16"} {""} } */ +/* { dg-options "-mcmse -mfloat-abi=softfp -mfpu=fpv5-sp-d16" } */ + +int __attribute__ ((cmse_nonsecure_call)) (*bar) (double); + +int +foo (int a) +{ + return bar (2.0) + a + 1; +} + +/* Checks for saving and clearing prior to function call. */ +/* { dg-final { scan-assembler "lsrs\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "lsls\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler-not "mov\tr0, r4" } } */ +/* { dg-final { scan-assembler-not "mov\tr1, r4" } } */ +/* { dg-final { scan-assembler "mov\tr2, r4" } } */ +/* { dg-final { scan-assembler "mov\tr3, r4" } } */ + +/* Now we check that we use the correct intrinsic to call. */ +/* { dg-final { scan-assembler "bl\t__gnu_cmse_nonsecure_call" } } */ diff --git a/gcc/testsuite/gcc.target/arm/cmse/mainline/softfp/cmse-13.c b/gcc/testsuite/gcc.target/arm/cmse/mainline/softfp/cmse-13.c new file mode 100644 index 0000000000000000000000000000000000000000..9634065e7cb64a5069cbb3c9be4b8cf9177f5e29 --- /dev/null +++ b/gcc/testsuite/gcc.target/arm/cmse/mainline/softfp/cmse-13.c @@ -0,0 +1,25 @@ +/* { dg-do compile } */ +/* { dg-require-effective-target arm_arch_v8m_main_ok } */ +/* { dg-add-options arm_arch_v8m_main } */ +/* { dg-skip-if "Do not combine float-abi= hard | soft | softfp" {*-*-*} {"-mfloat-abi=soft" -mfloat-abi=hard } {""} } */ +/* { dg-skip-if "Skip these if testing single precision" {*-*-*} {"-mfpu=*-sp-*"} {""} } */ +/* { dg-options "-mcmse -mfloat-abi=softfp -mfpu=fpv5-d16" } */ + +int __attribute__ ((cmse_nonsecure_call)) (*bar) (float, double); + +int +foo (int a) +{ + return bar (1.0f, 2.0) + a + 1; +} + +/* Checks for saving and clearing prior to function call. */ +/* { dg-final { scan-assembler "lsrs\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "lsls\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler-not "mov\tr0, r4" } } */ +/* { dg-final { scan-assembler "\n\tmov\tr1, r4" } } */ +/* { dg-final { scan-assembler-not "\n\tmov\tr2, r4\n\tmov\tr3, r4" } } */ + +/* Now we check that we use the correct intrinsic to call. */ +/* { dg-final { scan-assembler "bl\t__gnu_cmse_nonsecure_call" } } */ + diff --git a/gcc/testsuite/gcc.target/arm/cmse/mainline/softfp/cmse-7.c b/gcc/testsuite/gcc.target/arm/cmse/mainline/softfp/cmse-7.c new file mode 100644 index 0000000000000000000000000000000000000000..04f8466cc112c03ee5a05e6e5223d2c66a033bbe --- /dev/null +++ b/gcc/testsuite/gcc.target/arm/cmse/mainline/softfp/cmse-7.c @@ -0,0 +1,26 @@ +/* { dg-do compile } */ +/* { dg-require-effective-target arm_arch_v8m_main_ok } */ +/* { dg-add-options arm_arch_v8m_main } */ +/* { dg-skip-if "Do not combine float-abi= hard | soft | softfp" {*-*-*} {"-mfloat-abi=soft" -mfloat-abi=hard } {""} } */ +/* { dg-skip-if "Skip these if testing single precision" {*-*-*} {"-mfpu=*-sp-*"} {""} } */ +/* { dg-options "-mcmse -mfloat-abi=softfp -mfpu=fpv5-d16" } */ + +int __attribute__ ((cmse_nonsecure_call)) (*bar) (void); + +int +foo (int a) +{ + return bar () + a + 1; +} + +/* Checks for saving and clearing prior to function call. */ +/* { dg-final { scan-assembler "lsrs\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "lsls\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "mov\tr0, r4" } } */ +/* { dg-final { scan-assembler "mov\tr1, r4" } } */ +/* { dg-final { scan-assembler "mov\tr2, r4" } } */ +/* { dg-final { scan-assembler "mov\tr3, r4" } } */ + +/* Now we check that we use the correct intrinsic to call. */ +/* { dg-final { scan-assembler "bl\t__gnu_cmse_nonsecure_call" } } */ + diff --git a/gcc/testsuite/gcc.target/arm/cmse/mainline/softfp/cmse-8.c b/gcc/testsuite/gcc.target/arm/cmse/mainline/softfp/cmse-8.c new file mode 100644 index 0000000000000000000000000000000000000000..ffe94de85417b81f9dcb366eb1b40dc1661c91b7 --- /dev/null +++ b/gcc/testsuite/gcc.target/arm/cmse/mainline/softfp/cmse-8.c @@ -0,0 +1,25 @@ +/* { dg-do compile } */ +/* { dg-require-effective-target arm_arch_v8m_main_ok } */ +/* { dg-add-options arm_arch_v8m_main } */ +/* { dg-skip-if "Do not combine float-abi= hard | soft | softfp" {*-*-*} {"-mfloat-abi=soft" -mfloat-abi=hard } {""} } */ +/* { dg-skip-if "Skip these if testing single precision" {*-*-*} {"-mfpu=*-sp-*"} {""} } */ +/* { dg-options "-mcmse -mfloat-abi=softfp -mfpu=fpv5-d16" } */ + +int __attribute__ ((cmse_nonsecure_call)) (*bar) (double); + +int +foo (int a) +{ + return bar (2.0) + a + 1; +} + +/* Checks for saving and clearing prior to function call. */ +/* { dg-final { scan-assembler "lsrs\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "lsls\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler-not "mov\tr0, r4" } } */ +/* { dg-final { scan-assembler-not "mov\tr1, r4" } } */ +/* { dg-final { scan-assembler "mov\tr2, r4" } } */ +/* { dg-final { scan-assembler "mov\tr3, r4" } } */ + +/* Now we check that we use the correct intrinsic to call. */ +/* { dg-final { scan-assembler "bl\t__gnu_cmse_nonsecure_call" } } */ diff --git a/gcc/testsuite/gcc.target/arm/cmse/mainline/union-1.c b/gcc/testsuite/gcc.target/arm/cmse/mainline/union-1.c new file mode 100644 index 0000000000000000000000000000000000000000..1fc846cd7a51303ec00f8f512a54cd697fbd0682 --- /dev/null +++ b/gcc/testsuite/gcc.target/arm/cmse/mainline/union-1.c @@ -0,0 +1,69 @@ +/* { dg-do compile } */ +/* { dg-options "-mcmse" } */ + +typedef struct +{ + unsigned char a :2; + unsigned char :0; + unsigned short b :5; + unsigned char :0; + unsigned short c :3; + unsigned char :0; + unsigned int d :9; +} test_st_1; + +typedef struct +{ + unsigned short a :7; + unsigned char :0; + unsigned char b :1; + unsigned char :0; + unsigned short c :6; +} test_st_2; + +typedef union +{ + test_st_1 st_1; + test_st_2 st_2; +}test_un; + +typedef union +{ + test_un un; + struct + { + unsigned int v1; + unsigned int v2; + unsigned int v3; + unsigned int v4; + }values; +} read_un; + + +typedef void __attribute__ ((cmse_nonsecure_call)) (*foo_ns) (test_un); + +int +main (void) +{ + read_un r; + foo_ns f; + + f = (foo_ns) 0x200000; + r.values.v1 = 0xFFFFFFFF; + r.values.v2 = 0xFFFFFFFF; + + f (r.un); + return 0; +} + +/* { dg-final { scan-assembler "movw\tip, #8063" } } */ +/* { dg-final { scan-assembler "movt\tip, 63" } } */ +/* { dg-final { scan-assembler "and\tr0, r0, ip" } } */ +/* { dg-final { scan-assembler "movw\tip, #511" } } */ +/* { dg-final { scan-assembler "and\tr1, r1, ip" } } */ +/* { dg-final { scan-assembler "lsrs\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "lsls\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "mov\tr2, r4" } } */ +/* { dg-final { scan-assembler "mov\tr3, r4" } } */ +/* { dg-final { scan-assembler "bl\t__gnu_cmse_nonsecure_call" } } */ + diff --git a/gcc/testsuite/gcc.target/arm/cmse/mainline/union-2.c b/gcc/testsuite/gcc.target/arm/cmse/mainline/union-2.c new file mode 100644 index 0000000000000000000000000000000000000000..420d0f136ef171111c1cca6cd24c4f46b9fcb7fc --- /dev/null +++ b/gcc/testsuite/gcc.target/arm/cmse/mainline/union-2.c @@ -0,0 +1,84 @@ +/* { dg-do compile } */ +/* { dg-options "-mcmse" } */ + +typedef struct +{ + unsigned char a :2; + unsigned char :0; + unsigned short b :5; + unsigned char :0; + unsigned short c :3; + unsigned char :0; + unsigned int d :9; +} test_st_1; + +typedef struct +{ + unsigned short a :7; + unsigned char :0; + unsigned char b :1; + unsigned char :0; + unsigned short c :6; +} test_st_2; + +typedef struct +{ + unsigned char a; + unsigned int :0; + unsigned int b :1; + unsigned short :0; + unsigned short c; + unsigned int :0; + unsigned int d :21; +} test_st_3; + +typedef union +{ + test_st_1 st_1; + test_st_2 st_2; + test_st_3 st_3; +}test_un; + +typedef union +{ + test_un un; + struct + { + unsigned int v1; + unsigned int v2; + unsigned int v3; + unsigned int v4; + }values; +} read_un; + + +typedef void __attribute__ ((cmse_nonsecure_call)) (*foo_ns) (test_un); + +int +main (void) +{ + read_un r; + foo_ns f; + + f = (foo_ns) 0x200000; + r.values.v1 = 0xFFFFFFFF; + r.values.v2 = 0xFFFFFFFF; + r.values.v3 = 0xFFFFFFFF; + + f (r.un); + return 0; +} + +/* { dg-final { scan-assembler "movw\tip, #8191" } } */ +/* { dg-final { scan-assembler "movt\tip, 63" } } */ +/* { dg-final { scan-assembler "and\tr0, r0, ip" } } */ +/* { dg-final { scan-assembler "movw\tip, #511" } } */ +/* { dg-final { scan-assembler "movt\tip, 65535" } } */ +/* { dg-final { scan-assembler "and\tr1, r1, ip" } } */ +/* { dg-final { scan-assembler "movw\tip, #65535" } } */ +/* { dg-final { scan-assembler "movt\tip, 31" } } */ +/* { dg-final { scan-assembler "and\tr2, r2, ip" } } */ +/* { dg-final { scan-assembler "lsrs\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "lsls\tr4, r4, #1" } } */ +/* { dg-final { scan-assembler "mov\tr3, r4" } } */ +/* { dg-final { scan-assembler "bl\t__gnu_cmse_nonsecure_call" } } */ diff --git a/libgcc/config/arm/cmse_nonsecure_call.S b/libgcc/config/arm/cmse_nonsecure_call.S new file mode 100644 index 0000000000000000000000000000000000000000..fcde968508bb11114596e3e7dc73963e4067c7d9 --- /dev/null +++ b/libgcc/config/arm/cmse_nonsecure_call.S @@ -0,0 +1,132 @@ +/* CMSE wrapper function used to save, clear and restore callee saved registers + for cmse_nonsecure_call's. + + Copyright (C) 2016 Free Software Foundation, Inc. + Contributed by ARM Ltd. + + This file is free software; you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by the + Free Software Foundation; either version 3, or (at your option) any + later version. + + This file is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + Under Section 7 of GPL version 3, you are granted additional + permissions described in the GCC Runtime Library Exception, version + 3.1, as published by the Free Software Foundation. + + You should have received a copy of the GNU General Public License and + a copy of the GCC Runtime Library Exception along with this program; + see the files COPYING3 and COPYING.RUNTIME respectively. If not, see + <http://www.gnu.org/licenses/>. */ + +.syntax unified +.thumb +.global __gnu_cmse_nonsecure_call +__gnu_cmse_nonsecure_call: +#if defined(__ARM_ARCH_8M_MAIN__) +push {r5-r11,lr} +mov r7, r4 +mov r8, r4 +mov r9, r4 +mov r10, r4 +mov r11, r4 +mov ip, r4 + +/* Save and clear callee-saved registers only if we are dealing with hard float + ABI. The unused caller-saved registers have already been cleared by GCC + generated code. */ +#ifdef __ARM_PCS_VFP +vpush.f64 {d8-d15} +#if __ARM_FP & 0x04 +mov r5, #0 +vmov s16, s17, r5, r5 +vmov s18, s19, r5, r5 +vmov s20, s21, r5, r5 +vmov s22, s23, r5, r5 +vmov s24, s25, r5, r5 +vmov s26, s27, r5, r5 +vmov s28, s29, r5, r5 +vmov s30, s31, r5, r5 +#elif __ARM_FP & 0x08 +vmov.f64 d8, #1.00000 +vmov.f64 d9, #1.00000 +vmov.f64 d10, #1.00000 +vmov.f64 d11, #1.00000 +vmov.f64 d12, #1.00000 +vmov.f64 d13, #1.00000 +vmov.f64 d14, #1.00000 +vmov.f64 d15, #1.00000 +#else +#error "Half precision implementation not supported." +#endif +/* Clear the cumulative exception-status bits (0-4,7) and the + condition code bits (28-31) of the FPSCR. */ +vmrs r5, fpscr +movw r6, #65376 +movt r6, #4095 +ands r5, r6 +vmsr fpscr, r5 + +/* We are not dealing with hard float ABI, so we can safely use the vlstm and + vlldm instructions without needing to preserve the registers used for + argument passing. */ +#else +sub sp, sp, #0x88 /* Reserve stack space to save all floating point + registers, including FPSCR. */ +vlstm sp /* Lazy store and clearance of d0-d16 and FPSCR. */ +#endif /* __ARM_PCS_VFP */ + +/* Make sure to clear the 'GE' bits of the APSR register if 32-bit SIMD + instructions are available. */ +#if defined(__ARM_FEATURE_SIMD32) +msr APSR_nzcvqg, r4 +#else +msr APSR_nzcvq, r4 +#endif + +mov r5, r4 +mov r6, r4 +blxns r4 + +#ifdef __ARM_PCS_VFP +vpop.f64 {d8-d15} +#else +vlldm sp /* Lazy restore of d0-d16 and FPSCR. */ +add sp, sp, #0x88 /* Free space used to save floating point registers. */ +#endif /* __ARM_PCS_VFP */ + +pop {r5-r11, pc} + +#elif defined (__ARM_ARCH_8M_BASE__) +push {r5-r7, lr} +mov r5, r8 +mov r6, r9 +mov r7, r10 +push {r5-r7} +mov r5, r11 +push {r5} +mov r5, r4 +mov r6, r4 +mov r7, r4 +mov r8, r4 +mov r9, r4 +mov r10, r4 +mov r11, r4 +mov ip, r4 +msr APSR_nzcvq, r4 +blxns r4 +pop {r5} +mov r11, r5 +pop {r5-r7} +mov r10, r7 +mov r9, r6 +mov r8, r5 +pop {r5-r7, pc} + +#else +#error "This should only be used for armv8-m base- and mainline." +#endif diff --git a/libgcc/config/arm/t-arm b/libgcc/config/arm/t-arm index 5618143bfd0f02b170db3f9e4c0a15cecb403cec..9e85ac06b146feaa14ab83374a0156737b870310 100644 --- a/libgcc/config/arm/t-arm +++ b/libgcc/config/arm/t-arm @@ -12,4 +12,6 @@ libgcc-objects += cmse.o cmse_nonsecure_call.o cmse.o: $(srcdir)/config/arm/cmse.c $(gcc_compile) -c $(CMSE_OPTS) $< +cmse_nonsecure_call.o: $(srcdir)/config/arm/cmse_nonsecure_call.S + $(gcc_compile) -c $< endif

[PATCHv2,6/7,ARM,V8M] ARMv8-M Security Extension's cmse_nonsecure_call: use __gnu_cmse_nonsecure_call

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