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selftests/x86: Clean up sysret_rip coding style

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Tidy up sysret_rip style (cast spacing, main(void), const placement).
No functional change intended.

Signed-off-by: UYeol Jo <jouyeol8739@gmail.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://patch.msgid.link/20260111210126.74752-1-jouyeol8739@gmail.com
This commit is contained in:
UYeol Jo
2026-01-12 06:01:26 +09:00
committed by Borislav Petkov (AMD)
parent b81db37644
commit 59cac9d52b
1 changed files with 5 additions and 7 deletions
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12
tools/testing/selftests/x86/sysret_rip.c
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@@ -31,7 +31,7 @@
void test_syscall_ins(void);
extern const char test_page[];
static void const *current_test_page_addr = test_page;
static const void *current_test_page_addr = test_page;
/* State used by our signal handlers. */
static gregset_t initial_regs;
@@ -40,7 +40,7 @@ static volatile unsigned long rip;
static void sigsegv_for_sigreturn_test(int sig, siginfo_t *info, void *ctx_void)
{
ucontext_t *ctx = (ucontext_t*)ctx_void;
ucontext_t *ctx = (ucontext_t *)ctx_void;
if (rip != ctx->uc_mcontext.gregs[REG_RIP]) {
printf("[FAIL]\tRequested RIP=0x%lx but got RIP=0x%lx\n",
@@ -56,7 +56,7 @@ static void sigsegv_for_sigreturn_test(int sig, siginfo_t *info, void *ctx_void)
static void sigusr1(int sig, siginfo_t *info, void *ctx_void)
{
ucontext_t *ctx = (ucontext_t*)ctx_void;
ucontext_t *ctx = (ucontext_t *)ctx_void;
memcpy(&initial_regs, &ctx->uc_mcontext.gregs, sizeof(gregset_t));
@@ -69,8 +69,6 @@ static void sigusr1(int sig, siginfo_t *info, void *ctx_void)
ctx->uc_mcontext.gregs[REG_R11]);
sethandler(SIGSEGV, sigsegv_for_sigreturn_test, SA_RESETHAND);
return;
}
static void test_sigreturn_to(unsigned long ip)
@@ -84,7 +82,7 @@ static jmp_buf jmpbuf;
static void sigsegv_for_fallthrough(int sig, siginfo_t *info, void *ctx_void)
{
ucontext_t *ctx = (ucontext_t*)ctx_void;
ucontext_t *ctx = (ucontext_t *)ctx_void;
if (rip != ctx->uc_mcontext.gregs[REG_RIP]) {
printf("[FAIL]\tExpected SIGSEGV at 0x%lx but got RIP=0x%lx\n",
@@ -130,7 +128,7 @@ static void test_syscall_fallthrough_to(unsigned long ip)
printf("[OK]\tWe survived\n");
}
int main()
int main(void)
{
/*
* When the kernel returns from a slow-path syscall, it will