diff options
| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-03-25 03:53:42 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-03-25 03:53:42 -0300 |
| commit | 03dd4cb26d967f9588437b0fc9cc0e8353322bb7 (patch) | |
| tree | fa581f6dc1c0596391690d1f67eceef3af8246dc /tools/testing/selftests/seccomp | |
| parent | d4e493caf788ef44982e131ff9c786546904d934 (diff) | |
Linux-libre 4.5-gnu
Diffstat (limited to 'tools/testing/selftests/seccomp')
| -rw-r--r-- | tools/testing/selftests/seccomp/seccomp_bpf.c | 27 | ||||
| -rw-r--r-- | tools/testing/selftests/seccomp/test_harness.h | 5 |
2 files changed, 27 insertions, 5 deletions
diff --git a/tools/testing/selftests/seccomp/seccomp_bpf.c b/tools/testing/selftests/seccomp/seccomp_bpf.c index 882fe83a3..b9453b838 100644 --- a/tools/testing/selftests/seccomp/seccomp_bpf.c +++ b/tools/testing/selftests/seccomp/seccomp_bpf.c @@ -1246,11 +1246,24 @@ TEST_F(TRACE_poke, getpid_runs_normally) # error "Do not know how to find your architecture's registers and syscalls" #endif +/* Use PTRACE_GETREGS and PTRACE_SETREGS when available. This is useful for + * architectures without HAVE_ARCH_TRACEHOOK (e.g. User-mode Linux). + */ +#if defined(__x86_64__) || defined(__i386__) +#define HAVE_GETREGS +#endif + /* Architecture-specific syscall fetching routine. */ int get_syscall(struct __test_metadata *_metadata, pid_t tracee) { - struct iovec iov; ARCH_REGS regs; +#ifdef HAVE_GETREGS + EXPECT_EQ(0, ptrace(PTRACE_GETREGS, tracee, 0, ®s)) { + TH_LOG("PTRACE_GETREGS failed"); + return -1; + } +#else + struct iovec iov; iov.iov_base = ®s; iov.iov_len = sizeof(regs); @@ -1258,6 +1271,7 @@ int get_syscall(struct __test_metadata *_metadata, pid_t tracee) TH_LOG("PTRACE_GETREGSET failed"); return -1; } +#endif return regs.SYSCALL_NUM; } @@ -1266,13 +1280,16 @@ int get_syscall(struct __test_metadata *_metadata, pid_t tracee) void change_syscall(struct __test_metadata *_metadata, pid_t tracee, int syscall) { - struct iovec iov; int ret; ARCH_REGS regs; - +#ifdef HAVE_GETREGS + ret = ptrace(PTRACE_GETREGS, tracee, 0, ®s); +#else + struct iovec iov; iov.iov_base = ®s; iov.iov_len = sizeof(regs); ret = ptrace(PTRACE_GETREGSET, tracee, NT_PRSTATUS, &iov); +#endif EXPECT_EQ(0, ret); #if defined(__x86_64__) || defined(__i386__) || defined(__powerpc__) || \ @@ -1312,9 +1329,13 @@ void change_syscall(struct __test_metadata *_metadata, if (syscall == -1) regs.SYSCALL_RET = 1; +#ifdef HAVE_GETREGS + ret = ptrace(PTRACE_SETREGS, tracee, 0, ®s); +#else iov.iov_base = ®s; iov.iov_len = sizeof(regs); ret = ptrace(PTRACE_SETREGSET, tracee, NT_PRSTATUS, &iov); +#endif EXPECT_EQ(0, ret); } diff --git a/tools/testing/selftests/seccomp/test_harness.h b/tools/testing/selftests/seccomp/test_harness.h index fb2841601..a786c69c7 100644 --- a/tools/testing/selftests/seccomp/test_harness.h +++ b/tools/testing/selftests/seccomp/test_harness.h @@ -42,6 +42,7 @@ #define TEST_HARNESS_H_ #define _GNU_SOURCE +#include <stdint.h> #include <stdio.h> #include <stdlib.h> #include <string.h> @@ -370,8 +371,8 @@ __typeof__(_expected) __exp = (_expected); \ __typeof__(_seen) __seen = (_seen); \ if (!(__exp _t __seen)) { \ - unsigned long long __exp_print = (unsigned long long)__exp; \ - unsigned long long __seen_print = (unsigned long long)__seen; \ + unsigned long long __exp_print = (uintptr_t)__exp; \ + unsigned long long __seen_print = (uintptr_t)__seen; \ __TH_LOG("Expected %s (%llu) %s %s (%llu)", \ #_expected, __exp_print, #_t, \ #_seen, __seen_print); \ |