diff mbox series

[22/24] linux-user: permit RISC-V CFI dynamic entry in VDSO

Message ID 20240725234614.3850142-23-debug@rivosinc.com
State New
Headers show
Series riscv support for control flow integrity extensions | expand

Commit Message

Deepak Gupta July 25, 2024, 11:46 p.m. UTC 
RISC-V CFI use new processor-specific dynamic entry in ELF. Permit it in
VDSO post-processing script.

Signed-off-by: Jim Shu <jim.shu@sifive.com>
Signed-off-by: Deepak Gupta <debug@rivosinc.com>
---
 linux-user/gen-vdso-elfn.c.inc | 7 +++++++
 1 file changed, 7 insertions(+)
diff mbox series

Patch

diff --git a/linux-user/gen-vdso-elfn.c.inc b/linux-user/gen-vdso-elfn.c.inc
index 95856eb839..59c818eb11 100644
--- a/linux-user/gen-vdso-elfn.c.inc
+++ b/linux-user/gen-vdso-elfn.c.inc
@@ -273,6 +273,13 @@  static void elfN(process)(FILE *outf, void *buf, bool need_bswap)
                 errors++;
                 break;
 
+            case PT_LOPROC + 2:
+                /* RISCV_ZICFILP_PLT: for RISC-V zicfilp extension */
+                if (ehdr->e_machine == EM_RISCV) {
+                    break;
+                }
+                goto do_default;
+
             case PT_LOPROC + 3:
                 if (ehdr->e_machine == EM_PPC64) {
                     break;  /* DT_PPC64_OPT: integer bitmask */