[v3,07/10] mtrace: Wean away from malloc hooks

Message ID	20210702023546.3081774-8-siddhesh@sourceware.org
State	New
Headers	show Return-Path: <libc-alpha-bounces+incoming=patchwork.ozlabs.org@sourceware.org> DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 0707A3851C23 sender: dreamhost) by relay.mailchannels.net (Postfix) with ESMTPA id 64B33681BDF; Fri, 2 Jul 2021 02:36:28 +0000 (UTC) sender: siddhesh@gotplt.org) by pdx1-sub0-mail-a42.g.dreamhost.com (Postfix) with ESMTPSA id 2B4FB897E3; Fri, 2 Jul 2021 02:36:25 +0000 (UTC) To: libc-alpha@sourceware.org Subject: [PATCH v3 07/10] mtrace: Wean away from malloc hooks Date: Fri, 2 Jul 2021 08:05:43 +0530 Message-Id: <20210702023546.3081774-8-siddhesh@sourceware.org> In-Reply-To: <20210702023546.3081774-1-siddhesh@sourceware.org> References: <20210702023546.3081774-1-siddhesh@sourceware.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: list From: Siddhesh Poyarekar via Libc-alpha <libc-alpha@sourceware.org> Reply-To: Siddhesh Poyarekar <siddhesh@sourceware.org> Cc: fweimer@redhat.com Errors-To: libc-alpha-bounces+incoming=patchwork.ozlabs.org@sourceware.org Sender: "Libc-alpha" <libc-alpha-bounces+incoming=patchwork.ozlabs.org@sourceware.org>
Series	Remove malloc hooks \| expand [v3,00/10] Remove malloc hooks [v3,01/10] mtrace: Deprecate mallwatch and tr_break [v3,02/10] Add mcheck tests to malloc [v3,03/10] Move glibc.malloc.check implementation into its own file [v3,04/10] malloc: Move malloc hook references to hooks.c [v3,05/10] glibc.malloc.check: Wean away from malloc hooks [v3,06/10] mcheck: Wean away from malloc hooks [v3,07/10] mtrace: Wean away from malloc hooks [v3,08/10] Remove malloc hooks [v3,09/10] Remove __after_morecore_hook [v3,10/10] Remove __morecore and __default_morecore

diff --git a/include/malloc.h b/include/malloc.h index bb1123d9d3..6169d486f5 100644 --- a/include/malloc.h +++ b/include/malloc.h @@ -15,6 +15,7 @@ typedef struct malloc_state *mstate; #define __malloc_initialized __libc_malloc_initialized /* Nonzero if the malloc is already initialized. */ extern int __malloc_initialized attribute_hidden; +extern FILE *__mtrace_mallstream attribute_hidden; enum mcheck_status __mcheck_checkptr (const void *) attribute_hidden; extern int __mcheck_initialize (void (*) (enum mcheck_status), bool) diff --git a/malloc/Makefile b/malloc/Makefile index 76b8a18a7e..c9879c44e7 100644 --- a/malloc/Makefile +++ b/malloc/Makefile @@ -271,7 +271,8 @@ $(objpfx)memusage: memusage.sh # Extra dependencies $(foreach o,$(all-object-suffixes),$(objpfx)malloc$(o)): arena.c hooks.c \ malloc-check.c \ - mcheck-hooks.c + mcheck-hooks.c \ + mtrace-hooks.c # Compile the tests with a flag which suppresses the mallopt call in # the test skeleton. diff --git a/malloc/hooks.c b/malloc/hooks.c index 7b500e5671..7f3b07ca44 100644 --- a/malloc/hooks.c +++ b/malloc/hooks.c @@ -37,6 +37,7 @@ enum malloc_debug_hooks MALLOC_NONE_HOOK = 0, MALLOC_CHECK_HOOK = 1 << 0, /* MALLOC_CHECK_ or glibc.malloc.check. */ MALLOC_MCHECK_HOOK = 1 << 1, /* mcheck() */ + MALLOC_MTRACE_HOOK = 1 << 2, /* mtrace() */ }; static unsigned __malloc_debugging_hooks; @@ -79,6 +80,7 @@ __malloc_debug_disable (enum malloc_debug_hooks flag) #include "malloc-check.c" #include "mcheck-hooks.c" +#include "mtrace-hooks.c" static __always_inline bool _malloc_debug_before (size_t *bytesp, void **victimp, const void *address) @@ -111,8 +113,13 @@ _malloc_debug_before (size_t *bytesp, void **victimp, const void *address) static __always_inline void * _malloc_debug_after (void *mem, size_t bytes, const void *address) { - if (__is_malloc_debug_enabled (MALLOC_MCHECK_HOOK) && mem != NULL) - mem = malloc_mcheck_after (mem, bytes); + if (__glibc_unlikely (__malloc_debugging_hooks)) + { + if (__is_malloc_debug_enabled (MALLOC_MCHECK_HOOK) && mem != NULL) + mem = malloc_mcheck_after (mem, bytes); + if (__is_malloc_debug_enabled (MALLOC_MTRACE_HOOK)) + mem = malloc_mtrace_after (mem, bytes, address); + } return mem; } @@ -129,6 +136,8 @@ _free_debug_before (void **mem, const void *address) if (__glibc_unlikely (__malloc_debugging_hooks)) { + if (__is_malloc_debug_enabled (MALLOC_MTRACE_HOOK)) + free_mtrace (mem, address); if (__is_malloc_debug_enabled (MALLOC_MCHECK_HOOK)) *mem = free_mcheck (*mem); if (__is_malloc_debug_enabled (MALLOC_CHECK_HOOK)) @@ -171,8 +180,13 @@ static __always_inline void * _realloc_debug_after (void *mem, void *oldmem, size_t bytes, size_t oldsize, const void *address) { - if (__is_malloc_debug_enabled (MALLOC_MCHECK_HOOK) && mem != NULL) - mem = realloc_mcheck_after (mem, oldmem, bytes, oldsize); + if (__glibc_unlikely (__malloc_debugging_hooks)) + { + if (__is_malloc_debug_enabled (MALLOC_MCHECK_HOOK) && mem != NULL) + mem = realloc_mcheck_after (mem, oldmem, bytes, oldsize); + if (__is_malloc_debug_enabled (MALLOC_MTRACE_HOOK)) + mem = realloc_mtrace_after (mem, oldmem, bytes, address); + } return mem; } @@ -206,8 +220,13 @@ static __always_inline void * _memalign_debug_after (void *mem, size_t alignment, size_t bytes, const void *address) { - if (__is_malloc_debug_enabled (MALLOC_MCHECK_HOOK) && mem != NULL) - mem = memalign_mcheck_after (mem, alignment, bytes); + if (__glibc_unlikely (__malloc_debugging_hooks)) + { + if (__is_malloc_debug_enabled (MALLOC_MCHECK_HOOK) && mem != NULL) + mem = memalign_mcheck_after (mem, alignment, bytes); + if (__is_malloc_debug_enabled (MALLOC_MTRACE_HOOK)) + mem = memalign_mtrace_after (mem, bytes, address); + } return mem; } @@ -244,11 +263,16 @@ _calloc_debug_before (size_t *bytesp, void **victimp, const void *address) static __always_inline void * _calloc_debug_after (void *mem, size_t bytes, const void *address) { - if (__glibc_unlikely (__malloc_debugging_hooks) && mem != NULL) + if (__glibc_unlikely (__malloc_debugging_hooks)) { if (__is_malloc_debug_enabled (MALLOC_MCHECK_HOOK)) mem = malloc_mcheck_after (mem, bytes); - memset (mem, 0, bytes); + if (__is_malloc_debug_enabled (MALLOC_MTRACE_HOOK)) + mem = malloc_mtrace_after (mem, bytes, address); + /* mtrace uses __libc_calloc to do the zeroing. */ + if (mem != NULL && __is_malloc_debug_enabled (MALLOC_CHECK_HOOK + | MALLOC_MCHECK_HOOK)) + memset (mem, 0, bytes); } return mem; } diff --git a/malloc/mtrace-hooks.c b/malloc/mtrace-hooks.c new file mode 100644 index 0000000000..c1c6d6a6e9 --- /dev/null +++ b/malloc/mtrace-hooks.c @@ -0,0 +1,137 @@ + +# include <libc-lock.h> + +#include <kernel-features.h> + +FILE *__mtrace_mallstream; + +__libc_lock_define_initialized (static, lock); + +static void +tr_where (const void *caller, Dl_info *info) +{ + if (caller != NULL) + { + if (info != NULL) + { + char *buf = (char *) ""; + if (info->dli_sname != NULL) + { + size_t len = strlen (info->dli_sname); + buf = alloca (len + 6 + 2 * sizeof (void *)); + + buf[0] = '('; + __stpcpy (_fitoa (caller >= (const void *) info->dli_saddr + ? caller - (const void *) info->dli_saddr + : (const void *) info->dli_saddr - caller, + __stpcpy (__mempcpy (buf + 1, info->dli_sname, + len), + caller >= (void *) info->dli_saddr + ? "+0x" : "-0x"), + 16, 0), + ")"); + } + + fprintf (__mtrace_mallstream, "@ %s%s%s[%p] ", + info->dli_fname ? : "", info->dli_fname ? ":" : "", + buf, caller); + } + else + fprintf (__mtrace_mallstream, "@ [%p] ", caller); + } +} + +static Dl_info * +lock_and_info (const void *caller, Dl_info *mem) +{ + if (caller == NULL) + return NULL; + + Dl_info *res = _dl_addr (caller, mem, NULL, NULL) ? mem : NULL; + + __libc_lock_lock (lock); + + return res; +} + +static bool +free_mtrace (void *ptr, const void *caller) +{ + if (ptr == NULL) + return true; + + Dl_info mem; + Dl_info *info = lock_and_info (caller, &mem); + tr_where (caller, info); + /* Be sure to print it first. */ + fprintf (__mtrace_mallstream, "- %p\n", ptr); + __libc_lock_unlock (lock); + + /* Continue on to free. */ + return false; +} + +static void * +malloc_mtrace_after (void *block, size_t size, const void *caller) +{ + Dl_info mem; + Dl_info *info = lock_and_info (caller, &mem); + + tr_where (caller, info); + /* We could be printing a NULL here; that's OK. */ + fprintf (__mtrace_mallstream, "+ %p %#lx\n", block, + (unsigned long int) size); + + __libc_lock_unlock (lock); + + return block; +} + +static void * +realloc_mtrace_after (void *block, const void *oldptr, size_t size, + const void *caller) +{ + Dl_info mem; + Dl_info *info = lock_and_info (caller, &mem); + + tr_where (caller, info); + if (block == NULL) + { + if (size != 0) + /* Failed realloc. */ + fprintf (__mtrace_mallstream, "! %p %#lx\n", oldptr, + (unsigned long int) size); + else + fprintf (__mtrace_mallstream, "- %p\n", oldptr); + } + else if (oldptr == NULL) + fprintf (__mtrace_mallstream, "+ %p %#lx\n", block, + (unsigned long int) size); + else + { + fprintf (__mtrace_mallstream, "< %p\n", oldptr); + tr_where (caller, info); + fprintf (__mtrace_mallstream, "> %p %#lx\n", block, + (unsigned long int) size); + } + + __libc_lock_unlock (lock); + + return block; +} + +static void * +memalign_mtrace_after (void *block, size_t size, const void *caller) +{ + Dl_info mem; + Dl_info *info = lock_and_info (caller, &mem); + + tr_where (caller, info); + /* We could be printing a NULL here; that's OK. */ + fprintf (__mtrace_mallstream, "+ %p %#lx\n", block, + (unsigned long int) size); + + __libc_lock_unlock (lock); + + return block; +} diff --git a/malloc/mtrace.c b/malloc/mtrace.c index 6c2c58b706..2cc4507e25 100644 --- a/malloc/mtrace.c +++ b/malloc/mtrace.c @@ -22,7 +22,6 @@ # define _MALLOC_INTERNAL # include <malloc.h> # include <mcheck.h> -# include <libc-lock.h> #endif #include <dlfcn.h> @@ -35,20 +34,14 @@ #include <libc-internal.h> #include <dso_handle.h> - #include <libio/iolibio.h> #define setvbuf(s, b, f, l) _IO_setvbuf (s, b, f, l) #define fwrite(buf, size, count, fp) _IO_fwrite (buf, size, count, fp) -#include <kernel-features.h> - #define TRACE_BUFFER_SIZE 512 -static FILE *mallstream; -static const char mallenv[] = "MALLOC_TRACE"; static char *malloc_trace_buffer; - -__libc_lock_define_initialized (static, lock); +static const char mallenv[] = "MALLOC_TRACE"; #if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_34) /* Compatibility symbols that were introduced to help break at allocation sites @@ -69,204 +62,6 @@ tr_break (void) compat_symbol (libc, tr_break, tr_break, GLIBC_2_0); #endif - -/* Old hook values. */ -static void (*tr_old_free_hook) (void *ptr, const void *); -static void *(*tr_old_malloc_hook) (size_t size, const void *); -static void *(*tr_old_realloc_hook) (void *ptr, size_t size, - const void *); -static void *(*tr_old_memalign_hook) (size_t __alignment, size_t __size, - const void *); - -static void -tr_where (const void *caller, Dl_info *info) -{ - if (caller != NULL) - { - if (info != NULL) - { - char *buf = (char *) ""; - if (info->dli_sname != NULL) - { - size_t len = strlen (info->dli_sname); - buf = alloca (len + 6 + 2 * sizeof (void *)); - - buf[0] = '('; - __stpcpy (_fitoa (caller >= (const void *) info->dli_saddr - ? caller - (const void *) info->dli_saddr - : (const void *) info->dli_saddr - caller, - __stpcpy (__mempcpy (buf + 1, info->dli_sname, - len), - caller >= (void *) info->dli_saddr - ? "+0x" : "-0x"), - 16, 0), - ")"); - } - - fprintf (mallstream, "@ %s%s%s[%p] ", - info->dli_fname ? : "", info->dli_fname ? ":" : "", - buf, caller); - } - else - fprintf (mallstream, "@ [%p] ", caller); - } -} - -static Dl_info * -lock_and_info (const void *caller, Dl_info *mem) -{ - if (caller == NULL) - return NULL; - - Dl_info *res = _dl_addr (caller, mem, NULL, NULL) ? mem : NULL; - - __libc_lock_lock (lock); - - return res; -} - -static void tr_freehook (void *, const void *); -static void * tr_mallochook (size_t, const void *); -static void * tr_reallochook (void *, size_t, const void *); -static void * tr_memalignhook (size_t, size_t, const void *); - -/* Set all the default non-trace hooks. */ -static __always_inline void -set_default_hooks (void) -{ - __free_hook = tr_old_free_hook; - __malloc_hook = tr_old_malloc_hook; - __realloc_hook = tr_old_realloc_hook; - __memalign_hook = tr_old_memalign_hook; -} - -/* Set all of the tracing hooks used for mtrace. */ -static __always_inline void -set_trace_hooks (void) -{ - __free_hook = tr_freehook; - __malloc_hook = tr_mallochook; - __realloc_hook = tr_reallochook; - __memalign_hook = tr_memalignhook; -} - -/* Save the current set of hooks as the default hooks. */ -static __always_inline void -save_default_hooks (void) -{ - tr_old_free_hook = __free_hook; - tr_old_malloc_hook = __malloc_hook; - tr_old_realloc_hook = __realloc_hook; - tr_old_memalign_hook = __memalign_hook; -} - -static void -tr_freehook (void *ptr, const void *caller) -{ - if (ptr == NULL) - return; - - Dl_info mem; - Dl_info *info = lock_and_info (caller, &mem); - tr_where (caller, info); - /* Be sure to print it first. */ - fprintf (mallstream, "- %p\n", ptr); - set_default_hooks (); - if (tr_old_free_hook != NULL) - (*tr_old_free_hook)(ptr, caller); - else - free (ptr); - set_trace_hooks (); - __libc_lock_unlock (lock); -} - -static void * -tr_mallochook (size_t size, const void *caller) -{ - void *hdr; - - Dl_info mem; - Dl_info *info = lock_and_info (caller, &mem); - - set_default_hooks (); - if (tr_old_malloc_hook != NULL) - hdr = (void *) (*tr_old_malloc_hook)(size, caller); - else - hdr = (void *) malloc (size); - set_trace_hooks (); - - tr_where (caller, info); - /* We could be printing a NULL here; that's OK. */ - fprintf (mallstream, "+ %p %#lx\n", hdr, (unsigned long int) size); - - __libc_lock_unlock (lock); - - return hdr; -} - -static void * -tr_reallochook (void *ptr, size_t size, const void *caller) -{ - void *hdr; - - Dl_info mem; - Dl_info *info = lock_and_info (caller, &mem); - - set_default_hooks (); - if (tr_old_realloc_hook != NULL) - hdr = (void *) (*tr_old_realloc_hook)(ptr, size, caller); - else - hdr = (void *) realloc (ptr, size); - set_trace_hooks (); - - tr_where (caller, info); - if (hdr == NULL) - { - if (size != 0) - /* Failed realloc. */ - fprintf (mallstream, "! %p %#lx\n", ptr, (unsigned long int) size); - else - fprintf (mallstream, "- %p\n", ptr); - } - else if (ptr == NULL) - fprintf (mallstream, "+ %p %#lx\n", hdr, (unsigned long int) size); - else - { - fprintf (mallstream, "< %p\n", ptr); - tr_where (caller, info); - fprintf (mallstream, "> %p %#lx\n", hdr, (unsigned long int) size); - } - - __libc_lock_unlock (lock); - - return hdr; -} - -static void * -tr_memalignhook (size_t alignment, size_t size, const void *caller) -{ - void *hdr; - - Dl_info mem; - Dl_info *info = lock_and_info (caller, &mem); - - set_default_hooks (); - if (tr_old_memalign_hook != NULL) - hdr = (void *) (*tr_old_memalign_hook)(alignment, size, caller); - else - hdr = (void *) memalign (alignment, size); - set_trace_hooks (); - - tr_where (caller, info); - /* We could be printing a NULL here; that's OK. */ - fprintf (mallstream, "+ %p %#lx\n", hdr, (unsigned long int) size); - - __libc_lock_unlock (lock); - - return hdr; -} - - #ifdef _LIBC /* This function gets called to make sure all memory the library @@ -276,7 +71,7 @@ static void __libc_freeres_fn_section release_libc_mem (void) { /* Only call the free function if we still are running in mtrace mode. */ - if (mallstream != NULL) + if (__mtrace_mallstream != NULL) __libc_freeres (); } #endif @@ -293,7 +88,7 @@ mtrace (void) char *mallfile; /* Don't panic if we're called more than once. */ - if (mallstream != NULL) + if (__mtrace_mallstream != NULL) return; #ifdef _LIBC @@ -310,15 +105,15 @@ mtrace (void) if (mtb == NULL) return; - mallstream = fopen (mallfile != NULL ? mallfile : "/dev/null", "wce"); - if (mallstream != NULL) + __mtrace_mallstream = fopen (mallfile != NULL ? mallfile : "/dev/null", + "wce"); + if (__mtrace_mallstream != NULL) { /* Be sure it doesn't malloc its buffer! */ malloc_trace_buffer = mtb; - setvbuf (mallstream, malloc_trace_buffer, _IOFBF, TRACE_BUFFER_SIZE); - fprintf (mallstream, "= Start\n"); - save_default_hooks (); - set_trace_hooks (); + setvbuf (__mtrace_mallstream, malloc_trace_buffer, _IOFBF, + TRACE_BUFFER_SIZE); + fprintf (__mtrace_mallstream, "= Start\n"); #ifdef _LIBC if (!added_atexit_handler) { @@ -336,15 +131,11 @@ mtrace (void) void muntrace (void) { - if (mallstream == NULL) + if (__mtrace_mallstream == NULL) return; - /* Do the reverse of what done in mtrace: first reset the hooks and - MALLSTREAM, and only after that write the trailer and close the - file. */ - FILE *f = mallstream; - mallstream = NULL; - set_default_hooks (); + FILE *f = __mtrace_mallstream; + __mtrace_mallstream = NULL; fprintf (f, "= End\n"); fclose (f); diff --git a/sysdeps/generic/localplt.data b/sysdeps/generic/localplt.data index e2083c0ce6..9b4f35786a 100644 --- a/sysdeps/generic/localplt.data +++ b/sysdeps/generic/localplt.data @@ -4,7 +4,6 @@ libc.so: calloc libc.so: free libc.so: malloc -libc.so: memalign libc.so: realloc libm.so: matherr # The TLS-enabled version of these functions is interposed from libc.so. diff --git a/sysdeps/mach/hurd/i386/localplt.data b/sysdeps/mach/hurd/i386/localplt.data index 94064ecbc5..47fbe1e2a7 100644 --- a/sysdeps/mach/hurd/i386/localplt.data +++ b/sysdeps/mach/hurd/i386/localplt.data @@ -6,7 +6,6 @@ libc.so: calloc + REL R_386_GLOB_DAT libc.so: free + REL R_386_GLOB_DAT libc.so: malloc + REL R_386_GLOB_DAT -libc.so: memalign + REL R_386_GLOB_DAT libc.so: realloc + REL R_386_GLOB_DAT libm.so: matherr + REL R_386_GLOB_DAT # The TLS-enabled version of these functions is interposed from libc.so. diff --git a/sysdeps/unix/sysv/linux/aarch64/localplt.data b/sysdeps/unix/sysv/linux/aarch64/localplt.data index 2c14b652ef..348b3f3793 100644 --- a/sysdeps/unix/sysv/linux/aarch64/localplt.data +++ b/sysdeps/unix/sysv/linux/aarch64/localplt.data @@ -4,7 +4,6 @@ libc.so: calloc libc.so: free libc.so: malloc -libc.so: memalign libc.so: realloc libm.so: matherr # If outline atomics are used, libgcc (built outside of glibc) may diff --git a/sysdeps/unix/sysv/linux/alpha/localplt.data b/sysdeps/unix/sysv/linux/alpha/localplt.data index 43f6fdaea1..44bf36f4f1 100644 --- a/sysdeps/unix/sysv/linux/alpha/localplt.data +++ b/sysdeps/unix/sysv/linux/alpha/localplt.data @@ -18,7 +18,6 @@ libc.so: _Unwind_Find_FDE libc.so: calloc + RELA R_ALPHA_GLOB_DAT libc.so: free + RELA R_ALPHA_GLOB_DAT libc.so: malloc + RELA R_ALPHA_GLOB_DAT -libc.so: memalign + RELA R_ALPHA_GLOB_DAT libc.so: realloc + RELA R_ALPHA_GLOB_DAT libm.so: matherr + RELA R_ALPHA_GLOB_DAT # We used to offer inline functions that used this, so it must be exported. diff --git a/sysdeps/unix/sysv/linux/arc/localplt.data b/sysdeps/unix/sysv/linux/arc/localplt.data index 4479e8ee8a..ac5332caf7 100644 --- a/sysdeps/unix/sysv/linux/arc/localplt.data +++ b/sysdeps/unix/sysv/linux/arc/localplt.data @@ -1,6 +1,5 @@ libc.so: realloc libc.so: malloc -libc.so: memalign libc.so: calloc libc.so: free # At -Os, a struct assignment in libgcc-static pulls this in diff --git a/sysdeps/unix/sysv/linux/arm/localplt.data b/sysdeps/unix/sysv/linux/arm/localplt.data index eb315da2f1..78896444c6 100644 --- a/sysdeps/unix/sysv/linux/arm/localplt.data +++ b/sysdeps/unix/sysv/linux/arm/localplt.data @@ -1,7 +1,6 @@ libc.so: calloc libc.so: free libc.so: malloc -libc.so: memalign libc.so: raise libc.so: realloc libm.so: matherr diff --git a/sysdeps/unix/sysv/linux/csky/localplt.data b/sysdeps/unix/sysv/linux/csky/localplt.data index 0ed8650b65..817ab2659a 100644 --- a/sysdeps/unix/sysv/linux/csky/localplt.data +++ b/sysdeps/unix/sysv/linux/csky/localplt.data @@ -4,7 +4,6 @@ libc.so: calloc libc.so: free libc.so: malloc -libc.so: memalign libc.so: realloc # The TLS-enabled version of these functions is interposed from libc.so. ld.so: _dl_signal_error diff --git a/sysdeps/unix/sysv/linux/hppa/localplt.data b/sysdeps/unix/sysv/linux/hppa/localplt.data index 09893d4dcf..baf857a750 100644 --- a/sysdeps/unix/sysv/linux/hppa/localplt.data +++ b/sysdeps/unix/sysv/linux/hppa/localplt.data @@ -4,7 +4,6 @@ libc.so: calloc libc.so: free libc.so: malloc -libc.so: memalign libc.so: realloc libc.so: __sigsetjmp libc.so: _IO_funlockfile diff --git a/sysdeps/unix/sysv/linux/i386/localplt.data b/sysdeps/unix/sysv/linux/i386/localplt.data index 5334875b4b..f9bf7fb410 100644 --- a/sysdeps/unix/sysv/linux/i386/localplt.data +++ b/sysdeps/unix/sysv/linux/i386/localplt.data @@ -4,7 +4,6 @@ libc.so: _Unwind_Find_FDE + REL R_386_GLOB_DAT libc.so: calloc + REL R_386_GLOB_DAT libc.so: free + REL R_386_GLOB_DAT libc.so: malloc + REL R_386_GLOB_DAT -libc.so: memalign + REL R_386_GLOB_DAT libc.so: realloc + REL R_386_GLOB_DAT libm.so: matherr + REL R_386_GLOB_DAT # The TLS-enabled version of these functions is interposed from libc.so. diff --git a/sysdeps/unix/sysv/linux/ia64/localplt.data b/sysdeps/unix/sysv/linux/ia64/localplt.data index 1c566a503e..174fb88128 100644 --- a/sysdeps/unix/sysv/linux/ia64/localplt.data +++ b/sysdeps/unix/sysv/linux/ia64/localplt.data @@ -1,7 +1,6 @@ libc.so: calloc libc.so: free libc.so: malloc -libc.so: memalign libc.so: realloc libm.so: matherr libm.so: matherrf diff --git a/sysdeps/unix/sysv/linux/m68k/coldfire/localplt.data b/sysdeps/unix/sysv/linux/m68k/coldfire/localplt.data index 3c5efb7204..42fa90508c 100644 --- a/sysdeps/unix/sysv/linux/m68k/coldfire/localplt.data +++ b/sysdeps/unix/sysv/linux/m68k/coldfire/localplt.data @@ -2,7 +2,6 @@ libc.so: __m68k_read_tp libc.so: calloc libc.so: free libc.so: malloc -libc.so: memalign libc.so: realloc libm.so: matherr # The TLS-enabled version of these functions is interposed from libc.so. diff --git a/sysdeps/unix/sysv/linux/m68k/m680x0/localplt.data b/sysdeps/unix/sysv/linux/m68k/m680x0/localplt.data index 843f4e25f2..34bd4c1aca 100644 --- a/sysdeps/unix/sysv/linux/m68k/m680x0/localplt.data +++ b/sysdeps/unix/sysv/linux/m68k/m680x0/localplt.data @@ -3,7 +3,6 @@ libc.so: __m68k_read_tp libc.so: calloc libc.so: free libc.so: malloc -libc.so: memalign libc.so: realloc libm.so: matherr # The TLS-enabled version of these functions is interposed from libc.so. diff --git a/sysdeps/unix/sysv/linux/microblaze/localplt.data b/sysdeps/unix/sysv/linux/microblaze/localplt.data index 0e98d5251e..c3801314c9 100644 --- a/sysdeps/unix/sysv/linux/microblaze/localplt.data +++ b/sysdeps/unix/sysv/linux/microblaze/localplt.data @@ -2,7 +2,6 @@ libc.so: __errno_location libc.so: calloc libc.so: free libc.so: malloc -libc.so: memalign libc.so: realloc libm.so: matherr # The dynamic loader needs __tls_get_addr for TLS. diff --git a/sysdeps/unix/sysv/linux/nios2/localplt.data b/sysdeps/unix/sysv/linux/nios2/localplt.data index b37987c7c0..17fcfdd4db 100644 --- a/sysdeps/unix/sysv/linux/nios2/localplt.data +++ b/sysdeps/unix/sysv/linux/nios2/localplt.data @@ -6,7 +6,6 @@ libc.so: __gedf2 libc.so: malloc libc.so: __gtsf2 ? libc.so: __nesf2 -libc.so: memalign libc.so: __mulsf3 libc.so: __floatunsisf libc.so: __addsf3 diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/localplt.data b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/localplt.data index a02dd5cc24..c0af84eef7 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/localplt.data +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/localplt.data @@ -2,7 +2,6 @@ libc.so: _Unwind_Find_FDE libc.so: calloc libc.so: free libc.so: malloc -libc.so: memalign libc.so: realloc libm.so: matherr # The TLS-enabled version of these functions is interposed from libc.so. diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/localplt.data b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/localplt.data index d8072597b7..581e54b95c 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/localplt.data +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/localplt.data @@ -30,7 +30,6 @@ libc.so: abort ? libc.so: calloc libc.so: free libc.so: malloc -libc.so: memalign libc.so: memset ? libc.so: realloc libm.so: copysignl ? diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/localplt.data b/sysdeps/unix/sysv/linux/powerpc/powerpc64/localplt.data index bb498fbe3a..d69b7ae646 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/localplt.data +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/localplt.data @@ -1,7 +1,6 @@ libc.so: calloc libc.so: free libc.so: malloc -libc.so: memalign libc.so: realloc libm.so: matherr # The TLS-enabled version of these functions is interposed from libc.so. diff --git a/sysdeps/unix/sysv/linux/riscv/localplt.data b/sysdeps/unix/sysv/linux/riscv/localplt.data index 0a235592c3..e6d5330d5b 100644 --- a/sysdeps/unix/sysv/linux/riscv/localplt.data +++ b/sysdeps/unix/sysv/linux/riscv/localplt.data @@ -4,7 +4,6 @@ libc.so: calloc libc.so: free libc.so: malloc -libc.so: memalign libc.so: memset ? libc.so: realloc # The TLS-enabled version of these functions is interposed from libc.so. diff --git a/sysdeps/unix/sysv/linux/s390/localplt.data b/sysdeps/unix/sysv/linux/s390/localplt.data index a02dd5cc24..c0af84eef7 100644 --- a/sysdeps/unix/sysv/linux/s390/localplt.data +++ b/sysdeps/unix/sysv/linux/s390/localplt.data @@ -2,7 +2,6 @@ libc.so: _Unwind_Find_FDE libc.so: calloc libc.so: free libc.so: malloc -libc.so: memalign libc.so: realloc libm.so: matherr # The TLS-enabled version of these functions is interposed from libc.so. diff --git a/sysdeps/unix/sysv/linux/sh/localplt.data b/sysdeps/unix/sysv/linux/sh/localplt.data index 3225177c50..6491b9e37b 100644 --- a/sysdeps/unix/sysv/linux/sh/localplt.data +++ b/sysdeps/unix/sysv/linux/sh/localplt.data @@ -4,7 +4,6 @@ libc.so: calloc libc.so: free libc.so: malloc -libc.so: memalign libc.so: realloc libc.so: _Unwind_Find_FDE libc.so: _exit diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/localplt.data b/sysdeps/unix/sysv/linux/sparc/sparc32/localplt.data index be51efd566..38309a1393 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc32/localplt.data +++ b/sysdeps/unix/sysv/linux/sparc/sparc32/localplt.data @@ -16,7 +16,6 @@ libc.so: _Unwind_Find_FDE libc.so: calloc libc.so: free libc.so: malloc -libc.so: memalign libc.so: realloc libm.so: matherr # The TLS-enabled version of these functions is interposed from libc.so. diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/localplt.data b/sysdeps/unix/sysv/linux/sparc/sparc64/localplt.data index 809062d46c..6a216f3a5a 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc64/localplt.data +++ b/sysdeps/unix/sysv/linux/sparc/sparc64/localplt.data @@ -15,7 +15,6 @@ libc.so: _Unwind_Find_FDE libc.so: calloc libc.so: free libc.so: malloc -libc.so: memalign libc.so: realloc libm.so: matherr # The TLS-enabled version of these functions is interposed from libc.so. diff --git a/sysdeps/x86_64/localplt.data b/sysdeps/x86_64/localplt.data index 8f41e92870..d1f2e26612 100644 --- a/sysdeps/x86_64/localplt.data +++ b/sysdeps/x86_64/localplt.data @@ -6,7 +6,6 @@ libc.so: calloc + RELA R_X86_64_GLOB_DAT libc.so: free + RELA R_X86_64_GLOB_DAT libc.so: malloc + RELA R_X86_64_GLOB_DAT -libc.so: memalign + RELA R_X86_64_GLOB_DAT libc.so: realloc + RELA R_X86_64_GLOB_DAT libm.so: matherr + RELA R_X86_64_GLOB_DAT # The TLS-enabled version of these functions is interposed from libc.so.

[v3,07/10] mtrace: Wean away from malloc hooks

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Patch