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execve: Clear sigaltstack and fp_regs

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Fujitsu: POSTK_DEBUG_TEMP_FIX_19
Refs: #976
Change-Id: I16895eab13eecbb47b7e6da961fae82ee5e570ee
This commit is contained in:
Ken Sato
2018-07-17 15:37:57 +09:00
parent d898f18293
commit c716e87c53
14 changed files with 498 additions and 28 deletions
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15
kernel/syscall.c
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@ -2129,10 +2129,6 @@ static void munmap_all(void)
return;
} /* munmap_all() */
#ifdef POSTK_DEBUG_TEMP_FIX_19
extern void clear_fp_regs(struct thread *thread);
#endif /* POSTK_DEBUG_TEMP_FIX_19 */
SYSCALL_DECLARE(execve)
{
int error;
@ -2273,10 +2269,13 @@ SYSCALL_DECLARE(execve)
thread->sigcommon->action[i].sa.sa_handler = SIG_DFL;
}
#ifdef POSTK_DEBUG_TEMP_FIX_19
/* The floating-point environment is reset to the default. */
clear_fp_regs(thread);
#endif /* POSTK_DEBUG_TEMP_FIX_19 */
/* Reset floating-point environment to default. */
clear_fp_regs();
/* Reset sigaltstack to default */
thread->sigstack.ss_sp = NULL;
thread->sigstack.ss_flags = SS_DISABLE;
thread->sigstack.ss_size = 0;
error = ptrace_report_exec(thread);
if(error) {