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[nfc][asan] Reformat the file
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@vitalybuka
vitalybuka committed Apr 13, 2023
1 parent 4c8662e commit 3248ca0
Showing 1 changed file with 65 additions and 65 deletions.
130 changes: 65 additions & 65 deletions compiler-rt/lib/asan/asan_linux.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -15,55 +15,55 @@
#if SANITIZER_FREEBSD || SANITIZER_LINUX || SANITIZER_NETBSD || \
SANITIZER_SOLARIS

#include "asan_interceptors.h"
#include "asan_internal.h"
#include "asan_premap_shadow.h"
#include "asan_thread.h"
#include "sanitizer_common/sanitizer_flags.h"
#include "sanitizer_common/sanitizer_freebsd.h"
#include "sanitizer_common/sanitizer_libc.h"
#include "sanitizer_common/sanitizer_procmaps.h"

#include <sys/time.h>
#include <sys/resource.h>
#include <sys/mman.h>
#include <sys/syscall.h>
#include <sys/types.h>
#include <dlfcn.h>
#include <fcntl.h>
#include <limits.h>
#include <pthread.h>
#include <stdio.h>
#include <unistd.h>
#include <unwind.h>

#if SANITIZER_FREEBSD
#include <sys/link_elf.h>
#endif

#if SANITIZER_SOLARIS
#include <link.h>
#endif

#if SANITIZER_ANDROID || SANITIZER_FREEBSD || SANITIZER_SOLARIS
#include <ucontext.h>
extern "C" void* _DYNAMIC;
#elif SANITIZER_NETBSD
#include <link_elf.h>
#include <ucontext.h>
# include <dlfcn.h>
# include <fcntl.h>
# include <limits.h>
# include <pthread.h>
# include <stdio.h>
# include <sys/mman.h>
# include <sys/resource.h>
# include <sys/syscall.h>
# include <sys/time.h>
# include <sys/types.h>
# include <unistd.h>
# include <unwind.h>

# include "asan_interceptors.h"
# include "asan_internal.h"
# include "asan_premap_shadow.h"
# include "asan_thread.h"
# include "sanitizer_common/sanitizer_flags.h"
# include "sanitizer_common/sanitizer_freebsd.h"
# include "sanitizer_common/sanitizer_libc.h"
# include "sanitizer_common/sanitizer_procmaps.h"

# if SANITIZER_FREEBSD
# include <sys/link_elf.h>
# endif

# if SANITIZER_SOLARIS
# include <link.h>
# endif

# if SANITIZER_ANDROID || SANITIZER_FREEBSD || SANITIZER_SOLARIS
# include <ucontext.h>
extern "C" void *_DYNAMIC;
# elif SANITIZER_NETBSD
# include <link_elf.h>
# include <ucontext.h>
extern Elf_Dyn _DYNAMIC;
#else
#include <sys/ucontext.h>
#include <link.h>
# else
# include <link.h>
# include <sys/ucontext.h>
extern ElfW(Dyn) _DYNAMIC[];
#endif
# endif

// x86-64 FreeBSD 9.2 and older define 'ucontext_t' incorrectly in
// 32-bit mode.
#if SANITIZER_FREEBSD && (SANITIZER_WORDSIZE == 32) && \
__FreeBSD_version <= 902001 // v9.2
#define ucontext_t xucontext_t
#endif
# if SANITIZER_FREEBSD && (SANITIZER_WORDSIZE == 32) && \
__FreeBSD_version <= 902001 // v9.2
# define ucontext_t xucontext_t
# endif

typedef enum {
ASAN_RT_VERSION_UNDEFINED = 0,
Expand All @@ -74,21 +74,21 @@ typedef enum {
// FIXME: perhaps also store abi version here?
extern "C" {
SANITIZER_INTERFACE_ATTRIBUTE
asan_rt_version_t __asan_rt_version;
asan_rt_version_t __asan_rt_version;
}

namespace __asan {

void InitializePlatformInterceptors() {}
void InitializePlatformExceptionHandlers() {}
bool IsSystemHeapAddress (uptr addr) { return false; }
bool IsSystemHeapAddress(uptr addr) { return false; }

void *AsanDoesNotSupportStaticLinkage() {
// This will fail to link with -static.
return &_DYNAMIC;
}

#if ASAN_PREMAP_SHADOW
# if ASAN_PREMAP_SHADOW
uptr FindPremappedShadowStart(uptr shadow_size_bytes) {
uptr granularity = GetMmapGranularity();
uptr shadow_start = reinterpret_cast<uptr>(&__asan_shadow);
Expand All @@ -98,14 +98,14 @@ uptr FindPremappedShadowStart(uptr shadow_size_bytes) {
UnmapFromTo(shadow_start + shadow_size, shadow_start + premap_shadow_size);
return shadow_start;
}
#endif
# endif

uptr FindDynamicShadowStart() {
uptr shadow_size_bytes = MemToShadowSize(kHighMemEnd);
#if ASAN_PREMAP_SHADOW
# if ASAN_PREMAP_SHADOW
if (!PremapShadowFailed())
return FindPremappedShadowStart(shadow_size_bytes);
#endif
# endif

return MapDynamicShadow(shadow_size_bytes, ASAN_SHADOW_SCALE,
/*min_shadow_base_alignment*/ 0, kHighMemEnd);
Expand All @@ -121,11 +121,11 @@ void FlushUnneededASanShadowMemory(uptr p, uptr size) {
ReleaseMemoryPagesToOS(MemToShadow(p), MemToShadow(p + size));
}

#if SANITIZER_ANDROID
# if SANITIZER_ANDROID
// FIXME: should we do anything for Android?
void AsanCheckDynamicRTPrereqs() {}
void AsanCheckIncompatibleRT() {}
#else
# else
static int FindFirstDSOCallback(struct dl_phdr_info *info, size_t size,
void *data) {
VReport(2, "info->dlpi_name = %s\tinfo->dlpi_addr = %p\n", info->dlpi_name,
Expand Down Expand Up @@ -154,7 +154,7 @@ static int FindFirstDSOCallback(struct dl_phdr_info *info, size_t size,

static bool IsDynamicRTName(const char *libname) {
return internal_strstr(libname, "libclang_rt.asan") ||
internal_strstr(libname, "libasan.so");
internal_strstr(libname, "libasan.so");
}

static void ReportIncompatibleRT() {
Expand All @@ -170,9 +170,10 @@ void AsanCheckDynamicRTPrereqs() {
const char *first_dso_name = nullptr;
dl_iterate_phdr(FindFirstDSOCallback, &first_dso_name);
if (first_dso_name && first_dso_name[0] && !IsDynamicRTName(first_dso_name)) {
Report("ASan runtime does not come first in initial library list; "
"you should either link runtime to your application or "
"manually preload it with LD_PRELOAD.\n");
Report(
"ASan runtime does not come first in initial library list; "
"you should either link runtime to your application or "
"manually preload it with LD_PRELOAD.\n");
Die();
}
}
Expand All @@ -190,13 +191,14 @@ void AsanCheckIncompatibleRT() {
// as early as possible, otherwise ASan interceptors could bind to
// the functions in dynamic ASan runtime instead of the functions in
// system libraries, causing crashes later in ASan initialization.
MemoryMappingLayout proc_maps(/*cache_enabled*/true);
MemoryMappingLayout proc_maps(/*cache_enabled*/ true);
char filename[PATH_MAX];
MemoryMappedSegment segment(filename, sizeof(filename));
while (proc_maps.Next(&segment)) {
if (IsDynamicRTName(segment.filename)) {
Report("Your application is linked against "
"incompatible ASan runtimes.\n");
Report(
"Your application is linked against "
"incompatible ASan runtimes.\n");
Die();
}
}
Expand All @@ -206,11 +208,11 @@ void AsanCheckIncompatibleRT() {
}
}
}
#endif // SANITIZER_ANDROID
# endif // SANITIZER_ANDROID

# if ASAN_INTERCEPT_SWAPCONTEXT
void ReadContextStack(void *context, uptr *stack, uptr *ssize) {
ucontext_t *ucp = (ucontext_t*)context;
ucontext_t *ucp = (ucontext_t *)context;
*stack = (uptr)ucp->uc_stack.ss_sp;
*ssize = ucp->uc_stack.ss_size;
}
Expand All @@ -222,9 +224,7 @@ void ResetContextStack(void *context) {
}
# endif // ASAN_INTERCEPT_SWAPCONTEXT

void *AsanDlSymNext(const char *sym) {
return dlsym(RTLD_NEXT, sym);
}
void *AsanDlSymNext(const char *sym) { return dlsym(RTLD_NEXT, sym); }

bool HandleDlopenInit() {
// Not supported on this platform.
Expand All @@ -233,7 +233,7 @@ bool HandleDlopenInit() {
return false;
}

} // namespace __asan
} // namespace __asan

#endif // SANITIZER_FREEBSD || SANITIZER_LINUX || SANITIZER_NETBSD ||
// SANITIZER_SOLARIS

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