diff options
Diffstat (limited to 'ports/sysdeps/unix/sysv/linux/arm/eabi/____longjmp_chk.S')
| -rw-r--r-- | ports/sysdeps/unix/sysv/linux/arm/eabi/____longjmp_chk.S | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/ports/sysdeps/unix/sysv/linux/arm/eabi/____longjmp_chk.S b/ports/sysdeps/unix/sysv/linux/arm/eabi/____longjmp_chk.S index 508b4babd..9d8e46458 100644 --- a/ports/sysdeps/unix/sysv/linux/arm/eabi/____longjmp_chk.S +++ b/ports/sysdeps/unix/sysv/linux/arm/eabi/____longjmp_chk.S @@ -52,13 +52,15 @@ longjmp_msg: cfi_remember_state; \ cmp sp, reg; \ bls .Lok; \ + str r7, [sp, #-4]!; \ + cfi_adjust_cfa_offset (4); \ + cfi_rel_offset (r7, 0); \ mov r5, r0; \ cfi_undefined (r5); \ mov r7, #SYS_ify(sigaltstack); \ - cfi_undefined (r7); \ mov r0, #0; \ - sub sp, sp, #16; /* >= sizeof (stack_t) */ \ - cfi_adjust_cfa_offset (16); \ + sub sp, sp, #12; /* == sizeof (stack_t) */ \ + cfi_adjust_cfa_offset (12); \ cfi_remember_state; \ mov r1, sp; \ swi #0; \ @@ -74,6 +76,11 @@ longjmp_msg: cmp r2, r3; \ bhi .Lok2; \ .Lfail: \ + add sp, sp, #12; \ + cfi_adjust_cfa_offset (-12); \ + ldr r7, [sp], #4; \ + cfi_adjust_cfa_offset (-4); \ + cfi_restore (r7); \ CALL_FAIL \ cfi_restore_state; \ .Lok2: \ |