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| author | Andy Lutomirski <luto@amacapital.net> | 2014-12-03 11:37:17 -0800 |
|---|---|---|
| committer | Andy Lutomirski <luto@amacapital.net> | 2014-12-03 11:37:17 -0800 |
| commit | 8bf0f3233d8433a1b376175dc7753e7e146abda1 (patch) | |
| tree | 435218668ef763b7fcc9aa8ab742861d9320fbf1 | |
| parent | a70d4efc6b05b3db7180150e9616f1d002738b7c (diff) | |
| download | misc-tests-8bf0f3233d8433a1b376175dc7753e7e146abda1.tar.gz | |
syscall_exit_regs: Log flags
| -rw-r--r-- | syscall_exit_regs.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/syscall_exit_regs.c b/syscall_exit_regs.c index a794981..f0fb557 100644 --- a/syscall_exit_regs.c +++ b/syscall_exit_regs.c @@ -48,6 +48,7 @@ static void test_syscall(long nr) unsigned long rcx = 1; unsigned long orig_rcx = rcx; unsigned short orig_ss, ss; + unsigned long orig_flags, flags; long ret; int local_nerrs = 0; @@ -59,11 +60,16 @@ static void test_syscall(long nr) got_sigill = 0; asm volatile ("mov %%ss,%[orig_ss]\n\t" + "pushf\n\t" + "pop %[orig_flags]\n\t" "syscall\n\t" "syscall_rip:" "mov %%ss,%[ss]\n\t" + "pushf\n\t" + "pop %[flags]" : "+c" (rcx), [orig_ss] "=rm" (orig_ss), [ss] "=rm" (ss), - "=a" (ret) + "=a" (ret), [flags] "=rm" (flags), + [orig_flags] "=rm" (orig_flags) : "a" (nr) : #ifdef __x86_64__ "r11" @@ -92,8 +98,8 @@ static void test_syscall(long nr) printf("%s\tsyscall %lx: AX = %lx\n", outcome, nr, ret); - printf("[NOTE]\tsyscall %lx: orig RCX = %lx ss = %hx orig_ss = %hx\n", - nr, orig_rcx, ss, orig_ss); + printf("[NOTE]\tsyscall %lx: orig RCX = %lx ss = %hx orig_ss = %hx flags = %lx orig_flags = %lx\n", + nr, orig_rcx, ss, orig_ss, flags, orig_flags); } nerrs += local_nerrs; |