[RISCV][ASAN] implementation of ThreadSelf for riscv64
[6/11] patch series to port ASAN for riscv64 Depends On D87574 Reviewed By: eugenis Differential Revision: https://reviews.llvm.org/D87575
This commit is contained in:
Anatoly Parshintsev
Vitaly Buka
parent
aa1b1d35cb
commit
00f6ebef6e
|
|
@ -13,9 +13,16 @@
|
|||
|
||||
#include "sanitizer_platform.h"
|
||||
|
||||
#if SANITIZER_FREEBSD || SANITIZER_LINUX || SANITIZER_NETBSD || \
|
||||
#if SANITIZER_FREEBSD || SANITIZER_LINUX || SANITIZER_NETBSD || \
|
||||
SANITIZER_OPENBSD || SANITIZER_SOLARIS
|
||||
|
||||
#include <dlfcn.h> // for dlsym()
|
||||
#include <link.h>
|
||||
#include <pthread.h>
|
||||
#include <signal.h>
|
||||
#include <sys/resource.h>
|
||||
#include <syslog.h>
|
||||
|
||||
#include "sanitizer_allocator_internal.h"
|
||||
#include "sanitizer_atomic.h"
|
||||
#include "sanitizer_common.h"
|
||||
|
|
@ -28,20 +35,13 @@
|
|||
#include "sanitizer_placement_new.h"
|
||||
#include "sanitizer_procmaps.h"
|
||||
|
||||
#include <dlfcn.h> // for dlsym()
|
||||
#include <link.h>
|
||||
#include <pthread.h>
|
||||
#include <signal.h>
|
||||
#include <sys/resource.h>
|
||||
#include <syslog.h>
|
||||
|
||||
#if !defined(ElfW)
|
||||
#define ElfW(type) Elf_##type
|
||||
#endif
|
||||
|
||||
#if SANITIZER_FREEBSD
|
||||
#include <pthread_np.h>
|
||||
#include <osreldate.h>
|
||||
#include <pthread_np.h>
|
||||
#include <sys/sysctl.h>
|
||||
#define pthread_getattr_np pthread_attr_get_np
|
||||
#endif
|
||||
|
|
@ -52,9 +52,9 @@
|
|||
#endif
|
||||
|
||||
#if SANITIZER_NETBSD
|
||||
#include <lwp.h>
|
||||
#include <sys/sysctl.h>
|
||||
#include <sys/tls.h>
|
||||
#include <lwp.h>
|
||||
#endif
|
||||
|
||||
#if SANITIZER_SOLARIS
|
||||
|
|
@ -68,10 +68,10 @@
|
|||
#include <dirent.h>
|
||||
#include <fcntl.h>
|
||||
struct __sanitizer::linux_dirent {
|
||||
long d_ino;
|
||||
off_t d_off;
|
||||
long d_ino;
|
||||
off_t d_off;
|
||||
unsigned short d_reclen;
|
||||
char d_name[];
|
||||
char d_name[];
|
||||
};
|
||||
#endif
|
||||
#endif
|
||||
|
|
@ -83,8 +83,8 @@ struct __sanitizer::linux_dirent {
|
|||
|
||||
namespace __sanitizer {
|
||||
|
||||
SANITIZER_WEAK_ATTRIBUTE int
|
||||
real_sigaction(int signum, const void *act, void *oldact);
|
||||
SANITIZER_WEAK_ATTRIBUTE int real_sigaction(int signum, const void *act,
|
||||
void *oldact);
|
||||
|
||||
int internal_sigaction(int signum, const void *act, void *oldact) {
|
||||
#if !SANITIZER_GO
|
||||
|
|
@ -105,7 +105,7 @@ void GetThreadStackTopAndBottom(bool at_initialization, uptr *stack_top,
|
|||
CHECK_EQ(getrlimit(RLIMIT_STACK, &rl), 0);
|
||||
|
||||
// Find the mapping that contains a stack variable.
|
||||
MemoryMappingLayout proc_maps(/*cache_enabled*/true);
|
||||
MemoryMappingLayout proc_maps(/*cache_enabled*/ true);
|
||||
if (proc_maps.Error()) {
|
||||
*stack_top = *stack_bottom = 0;
|
||||
return;
|
||||
|
|
@ -113,7 +113,8 @@ void GetThreadStackTopAndBottom(bool at_initialization, uptr *stack_top,
|
|||
MemoryMappedSegment segment;
|
||||
uptr prev_end = 0;
|
||||
while (proc_maps.Next(&segment)) {
|
||||
if ((uptr)&rl < segment.end) break;
|
||||
if ((uptr)&rl < segment.end)
|
||||
break;
|
||||
prev_end = segment.end;
|
||||
}
|
||||
CHECK((uptr)&rl >= segment.start && (uptr)&rl < segment.end);
|
||||
|
|
@ -121,7 +122,8 @@ void GetThreadStackTopAndBottom(bool at_initialization, uptr *stack_top,
|
|||
// Get stacksize from rlimit, but clip it so that it does not overlap
|
||||
// with other mappings.
|
||||
uptr stacksize = rl.rlim_cur;
|
||||
if (stacksize > segment.end - prev_end) stacksize = segment.end - prev_end;
|
||||
if (stacksize > segment.end - prev_end)
|
||||
stacksize = segment.end - prev_end;
|
||||
// When running with unlimited stack size, we still want to set some limit.
|
||||
// The unlimited stack size is caused by 'ulimit -s unlimited'.
|
||||
// Also, for some reason, GNU make spawns subprocesses with unlimited stack.
|
||||
|
|
@ -149,7 +151,7 @@ void GetThreadStackTopAndBottom(bool at_initialization, uptr *stack_top,
|
|||
CHECK_EQ(pthread_getattr_np(pthread_self(), &attr), 0);
|
||||
my_pthread_attr_getstack(&attr, &stackaddr, &stacksize);
|
||||
pthread_attr_destroy(&attr);
|
||||
#endif // SANITIZER_SOLARIS
|
||||
#endif // SANITIZER_SOLARIS
|
||||
|
||||
*stack_top = (uptr)stackaddr + stacksize;
|
||||
*stack_bottom = (uptr)stackaddr;
|
||||
|
|
@ -160,7 +162,7 @@ bool SetEnv(const char *name, const char *value) {
|
|||
void *f = dlsym(RTLD_NEXT, "setenv");
|
||||
if (!f)
|
||||
return false;
|
||||
typedef int(*setenv_ft)(const char *name, const char *value, int overwrite);
|
||||
typedef int (*setenv_ft)(const char *name, const char *value, int overwrite);
|
||||
setenv_ft setenv_f;
|
||||
CHECK_EQ(sizeof(setenv_f), sizeof(f));
|
||||
internal_memcpy(&setenv_f, &f, sizeof(f));
|
||||
|
|
@ -189,32 +191,32 @@ __attribute__((unused)) static bool GetLibcVersion(int *major, int *minor,
|
|||
#endif
|
||||
}
|
||||
|
||||
#if !SANITIZER_FREEBSD && !SANITIZER_ANDROID && !SANITIZER_GO && \
|
||||
#if !SANITIZER_FREEBSD && !SANITIZER_ANDROID && !SANITIZER_GO && \
|
||||
!SANITIZER_NETBSD && !SANITIZER_OPENBSD && !SANITIZER_SOLARIS
|
||||
static uptr g_tls_size;
|
||||
|
||||
#ifdef __i386__
|
||||
# define CHECK_GET_TLS_STATIC_INFO_VERSION (!__GLIBC_PREREQ(2, 27))
|
||||
#define CHECK_GET_TLS_STATIC_INFO_VERSION (!__GLIBC_PREREQ(2, 27))
|
||||
#else
|
||||
# define CHECK_GET_TLS_STATIC_INFO_VERSION 0
|
||||
#define CHECK_GET_TLS_STATIC_INFO_VERSION 0
|
||||
#endif
|
||||
|
||||
#if CHECK_GET_TLS_STATIC_INFO_VERSION
|
||||
# define DL_INTERNAL_FUNCTION __attribute__((regparm(3), stdcall))
|
||||
#define DL_INTERNAL_FUNCTION __attribute__((regparm(3), stdcall))
|
||||
#else
|
||||
# define DL_INTERNAL_FUNCTION
|
||||
#define DL_INTERNAL_FUNCTION
|
||||
#endif
|
||||
|
||||
namespace {
|
||||
struct GetTlsStaticInfoCall {
|
||||
typedef void (*get_tls_func)(size_t*, size_t*);
|
||||
typedef void (*get_tls_func)(size_t *, size_t *);
|
||||
};
|
||||
struct GetTlsStaticInfoRegparmCall {
|
||||
typedef void (*get_tls_func)(size_t*, size_t*) DL_INTERNAL_FUNCTION;
|
||||
typedef void (*get_tls_func)(size_t *, size_t *) DL_INTERNAL_FUNCTION;
|
||||
};
|
||||
|
||||
template <typename T>
|
||||
void CallGetTls(void* ptr, size_t* size, size_t* align) {
|
||||
void CallGetTls(void *ptr, size_t *size, size_t *align) {
|
||||
typename T::get_tls_func get_tls;
|
||||
CHECK_EQ(sizeof(get_tls), sizeof(ptr));
|
||||
internal_memcpy(&get_tls, &ptr, sizeof(ptr));
|
||||
|
|
@ -251,23 +253,23 @@ void InitTlsSize() {
|
|||
// __attribute__((regparm(3), stdcall)) before glibc 2.27 and is normal
|
||||
// function in 2.27 and later.
|
||||
if (CHECK_GET_TLS_STATIC_INFO_VERSION && !CmpLibcVersion(2, 27, 0))
|
||||
CallGetTls<GetTlsStaticInfoRegparmCall>(get_tls_static_info_ptr,
|
||||
&tls_size, &tls_align);
|
||||
CallGetTls<GetTlsStaticInfoRegparmCall>(get_tls_static_info_ptr, &tls_size,
|
||||
&tls_align);
|
||||
else
|
||||
CallGetTls<GetTlsStaticInfoCall>(get_tls_static_info_ptr,
|
||||
&tls_size, &tls_align);
|
||||
CallGetTls<GetTlsStaticInfoCall>(get_tls_static_info_ptr, &tls_size,
|
||||
&tls_align);
|
||||
if (tls_align < kStackAlign)
|
||||
tls_align = kStackAlign;
|
||||
g_tls_size = RoundUpTo(tls_size, tls_align);
|
||||
}
|
||||
#else
|
||||
void InitTlsSize() { }
|
||||
void InitTlsSize() {}
|
||||
#endif // !SANITIZER_FREEBSD && !SANITIZER_ANDROID && !SANITIZER_GO &&
|
||||
// !SANITIZER_NETBSD && !SANITIZER_SOLARIS
|
||||
|
||||
#if (defined(__x86_64__) || defined(__i386__) || defined(__mips__) || \
|
||||
defined(__aarch64__) || defined(__powerpc64__) || defined(__s390__) || \
|
||||
defined(__arm__)) && \
|
||||
#if (defined(__x86_64__) || defined(__i386__) || defined(__mips__) || \
|
||||
defined(__aarch64__) || defined(__powerpc64__) || defined(__s390__) || \
|
||||
defined(__arm__)) && \
|
||||
SANITIZER_LINUX && !SANITIZER_ANDROID
|
||||
// sizeof(struct pthread) from glibc.
|
||||
static atomic_uintptr_t thread_descriptor_size;
|
||||
|
|
@ -283,7 +285,7 @@ uptr ThreadDescriptorSize() {
|
|||
if (GetLibcVersion(&major, &minor, &patch) && major == 2) {
|
||||
/* sizeof(struct pthread) values from various glibc versions. */
|
||||
if (SANITIZER_X32)
|
||||
val = 1728; // Assume only one particular version for x32.
|
||||
val = 1728; // Assume only one particular version for x32.
|
||||
// For ARM sizeof(struct pthread) changed in Glibc 2.23.
|
||||
else if (SANITIZER_ARM)
|
||||
val = minor <= 22 ? 1120 : 1216;
|
||||
|
|
@ -311,9 +313,9 @@ uptr ThreadDescriptorSize() {
|
|||
// The sizeof (struct pthread) is the same from GLIBC 2.17 to 2.22.
|
||||
val = 1776;
|
||||
#elif defined(__powerpc64__)
|
||||
val = 1776; // from glibc.ppc64le 2.20-8.fc21
|
||||
val = 1776; // from glibc.ppc64le 2.20-8.fc21
|
||||
#elif defined(__s390__)
|
||||
val = FIRST_32_SECOND_64(1152, 1776); // valid for glibc 2.22
|
||||
val = FIRST_32_SECOND_64(1152, 1776); // valid for glibc 2.22
|
||||
#endif
|
||||
if (val)
|
||||
atomic_store_relaxed(&thread_descriptor_size, val);
|
||||
|
|
@ -323,19 +325,19 @@ uptr ThreadDescriptorSize() {
|
|||
// The offset at which pointer to self is located in the thread descriptor.
|
||||
const uptr kThreadSelfOffset = FIRST_32_SECOND_64(8, 16);
|
||||
|
||||
uptr ThreadSelfOffset() {
|
||||
return kThreadSelfOffset;
|
||||
}
|
||||
uptr ThreadSelfOffset() { return kThreadSelfOffset; }
|
||||
|
||||
#if defined(__mips__) || defined(__powerpc64__)
|
||||
#if defined(__mips__) || defined(__powerpc64__) || SANITIZER_RISCV64
|
||||
// TlsPreTcbSize includes size of struct pthread_descr and size of tcb
|
||||
// head structure. It lies before the static tls blocks.
|
||||
static uptr TlsPreTcbSize() {
|
||||
# if defined(__mips__)
|
||||
const uptr kTcbHead = 16; // sizeof (tcbhead_t)
|
||||
# elif defined(__powerpc64__)
|
||||
const uptr kTcbHead = 88; // sizeof (tcbhead_t)
|
||||
# endif
|
||||
#if defined(__mips__)
|
||||
const uptr kTcbHead = 16; // sizeof (tcbhead_t)
|
||||
#elif defined(__powerpc64__)
|
||||
const uptr kTcbHead = 88; // sizeof (tcbhead_t)
|
||||
#elif SANITIZER_RISCV64
|
||||
const uptr kTcbHead = 16; // sizeof (tcbhead_t)
|
||||
#endif
|
||||
const uptr kTlsAlign = 16;
|
||||
const uptr kTlsPreTcbSize =
|
||||
RoundUpTo(ThreadDescriptorSize() + kTcbHead, kTlsAlign);
|
||||
|
|
@ -345,28 +347,37 @@ static uptr TlsPreTcbSize() {
|
|||
|
||||
uptr ThreadSelf() {
|
||||
uptr descr_addr;
|
||||
# if defined(__i386__)
|
||||
#if defined(__i386__)
|
||||
asm("mov %%gs:%c1,%0" : "=r"(descr_addr) : "i"(kThreadSelfOffset));
|
||||
# elif defined(__x86_64__)
|
||||
#elif defined(__x86_64__)
|
||||
asm("mov %%fs:%c1,%0" : "=r"(descr_addr) : "i"(kThreadSelfOffset));
|
||||
# elif defined(__mips__)
|
||||
#elif defined(__mips__)
|
||||
// MIPS uses TLS variant I. The thread pointer (in hardware register $29)
|
||||
// points to the end of the TCB + 0x7000. The pthread_descr structure is
|
||||
// immediately in front of the TCB. TlsPreTcbSize() includes the size of the
|
||||
// TCB and the size of pthread_descr.
|
||||
const uptr kTlsTcbOffset = 0x7000;
|
||||
uptr thread_pointer;
|
||||
asm volatile(".set push;\
|
||||
asm volatile(
|
||||
".set push;\
|
||||
.set mips64r2;\
|
||||
rdhwr %0,$29;\
|
||||
.set pop" : "=r" (thread_pointer));
|
||||
.set pop"
|
||||
: "=r"(thread_pointer));
|
||||
descr_addr = thread_pointer - kTlsTcbOffset - TlsPreTcbSize();
|
||||
# elif defined(__aarch64__) || defined(__arm__)
|
||||
#elif defined(__aarch64__) || defined(__arm__)
|
||||
descr_addr = reinterpret_cast<uptr>(__builtin_thread_pointer()) -
|
||||
ThreadDescriptorSize();
|
||||
# elif defined(__s390__)
|
||||
ThreadDescriptorSize();
|
||||
#elif SANITIZER_RISCV64
|
||||
uptr tcb_end;
|
||||
asm volatile("mv %0, tp;\n" : "=r"(tcb_end));
|
||||
// https://github.com/riscv/riscv-elf-psabi-doc/issues/53
|
||||
const uptr kTlsTcbOffset = 0x800;
|
||||
descr_addr =
|
||||
reinterpret_cast<uptr>(tcb_end - kTlsTcbOffset - TlsPreTcbSize());
|
||||
#elif defined(__s390__)
|
||||
descr_addr = reinterpret_cast<uptr>(__builtin_thread_pointer());
|
||||
# elif defined(__powerpc64__)
|
||||
#elif defined(__powerpc64__)
|
||||
// PPC64LE uses TLS variant I. The thread pointer (in GPR 13)
|
||||
// points to the end of the TCB + 0x7000. The pthread_descr structure is
|
||||
// immediately in front of the TCB. TlsPreTcbSize() includes the size of the
|
||||
|
|
@ -375,9 +386,9 @@ uptr ThreadSelf() {
|
|||
uptr thread_pointer;
|
||||
asm("addi %0,13,%1" : "=r"(thread_pointer) : "I"(-kTlsTcbOffset));
|
||||
descr_addr = thread_pointer - TlsPreTcbSize();
|
||||
# else
|
||||
# error "unsupported CPU arch"
|
||||
# endif
|
||||
#else
|
||||
#error "unsupported CPU arch"
|
||||
#endif
|
||||
return descr_addr;
|
||||
}
|
||||
#endif // (x86_64 || i386 || MIPS) && SANITIZER_LINUX
|
||||
|
|
@ -385,31 +396,27 @@ uptr ThreadSelf() {
|
|||
#if SANITIZER_FREEBSD
|
||||
static void **ThreadSelfSegbase() {
|
||||
void **segbase = 0;
|
||||
# if defined(__i386__)
|
||||
#if defined(__i386__)
|
||||
// sysarch(I386_GET_GSBASE, segbase);
|
||||
__asm __volatile("mov %%gs:0, %0" : "=r" (segbase));
|
||||
# elif defined(__x86_64__)
|
||||
__asm __volatile("mov %%gs:0, %0" : "=r"(segbase));
|
||||
#elif defined(__x86_64__)
|
||||
// sysarch(AMD64_GET_FSBASE, segbase);
|
||||
__asm __volatile("movq %%fs:0, %0" : "=r" (segbase));
|
||||
# else
|
||||
# error "unsupported CPU arch"
|
||||
# endif
|
||||
__asm __volatile("movq %%fs:0, %0" : "=r"(segbase));
|
||||
#else
|
||||
#error "unsupported CPU arch"
|
||||
#endif
|
||||
return segbase;
|
||||
}
|
||||
|
||||
uptr ThreadSelf() {
|
||||
return (uptr)ThreadSelfSegbase()[2];
|
||||
}
|
||||
uptr ThreadSelf() { return (uptr)ThreadSelfSegbase()[2]; }
|
||||
#endif // SANITIZER_FREEBSD
|
||||
|
||||
#if SANITIZER_NETBSD
|
||||
static struct tls_tcb * ThreadSelfTlsTcb() {
|
||||
static struct tls_tcb *ThreadSelfTlsTcb() {
|
||||
return (struct tls_tcb *)_lwp_getprivate();
|
||||
}
|
||||
|
||||
uptr ThreadSelf() {
|
||||
return (uptr)ThreadSelfTlsTcb()->tcb_pthread;
|
||||
}
|
||||
uptr ThreadSelf() { return (uptr)ThreadSelfTlsTcb()->tcb_pthread; }
|
||||
|
||||
int GetSizeFromHdr(struct dl_phdr_info *info, size_t size, void *data) {
|
||||
const Elf_Phdr *hdr = info->dlpi_phdr;
|
||||
|
|
@ -417,7 +424,7 @@ int GetSizeFromHdr(struct dl_phdr_info *info, size_t size, void *data) {
|
|||
|
||||
for (; hdr != last_hdr; ++hdr) {
|
||||
if (hdr->p_type == PT_TLS && info->dlpi_tls_modid == 1) {
|
||||
*(uptr*)data = hdr->p_memsz;
|
||||
*(uptr *)data = hdr->p_memsz;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
|
@ -428,21 +435,21 @@ int GetSizeFromHdr(struct dl_phdr_info *info, size_t size, void *data) {
|
|||
#if !SANITIZER_GO
|
||||
static void GetTls(uptr *addr, uptr *size) {
|
||||
#if SANITIZER_LINUX && !SANITIZER_ANDROID
|
||||
# if defined(__x86_64__) || defined(__i386__) || defined(__s390__)
|
||||
#if defined(__x86_64__) || defined(__i386__) || defined(__s390__)
|
||||
*addr = ThreadSelf();
|
||||
*size = GetTlsSize();
|
||||
*addr -= *size;
|
||||
*addr += ThreadDescriptorSize();
|
||||
# elif defined(__mips__) || defined(__aarch64__) || defined(__powerpc64__) \
|
||||
|| defined(__arm__)
|
||||
#elif defined(__mips__) || defined(__aarch64__) || defined(__powerpc64__) || \
|
||||
defined(__arm__)
|
||||
*addr = ThreadSelf();
|
||||
*size = GetTlsSize();
|
||||
# else
|
||||
#else
|
||||
*addr = 0;
|
||||
*size = 0;
|
||||
# endif
|
||||
#endif
|
||||
#elif SANITIZER_FREEBSD
|
||||
void** segbase = ThreadSelfSegbase();
|
||||
void **segbase = ThreadSelfSegbase();
|
||||
*addr = 0;
|
||||
*size = 0;
|
||||
if (segbase != 0) {
|
||||
|
|
@ -450,12 +457,12 @@ static void GetTls(uptr *addr, uptr *size) {
|
|||
// tls_size = round(tls_static_space, tcbalign);
|
||||
// dtv = segbase[1];
|
||||
// dtv[2] = segbase - tls_static_space;
|
||||
void **dtv = (void**) segbase[1];
|
||||
*addr = (uptr) dtv[2];
|
||||
*size = (*addr == 0) ? 0 : ((uptr) segbase[0] - (uptr) dtv[2]);
|
||||
void **dtv = (void **)segbase[1];
|
||||
*addr = (uptr)dtv[2];
|
||||
*size = (*addr == 0) ? 0 : ((uptr)segbase[0] - (uptr)dtv[2]);
|
||||
}
|
||||
#elif SANITIZER_NETBSD
|
||||
struct tls_tcb * const tcb = ThreadSelfTlsTcb();
|
||||
struct tls_tcb *const tcb = ThreadSelfTlsTcb();
|
||||
*addr = 0;
|
||||
*size = 0;
|
||||
if (tcb != 0) {
|
||||
|
|
@ -479,14 +486,14 @@ static void GetTls(uptr *addr, uptr *size) {
|
|||
*addr = 0;
|
||||
*size = 0;
|
||||
#else
|
||||
# error "Unknown OS"
|
||||
#error "Unknown OS"
|
||||
#endif
|
||||
}
|
||||
#endif
|
||||
|
||||
#if !SANITIZER_GO
|
||||
uptr GetTlsSize() {
|
||||
#if SANITIZER_FREEBSD || SANITIZER_ANDROID || SANITIZER_NETBSD || \
|
||||
#if SANITIZER_FREEBSD || SANITIZER_ANDROID || SANITIZER_NETBSD || \
|
||||
SANITIZER_OPENBSD || SANITIZER_SOLARIS
|
||||
uptr addr, size;
|
||||
GetTls(&addr, &size);
|
||||
|
|
@ -526,11 +533,11 @@ void GetThreadStackAndTls(bool main, uptr *stk_addr, uptr *stk_size,
|
|||
|
||||
#if !SANITIZER_FREEBSD && !SANITIZER_OPENBSD
|
||||
typedef ElfW(Phdr) Elf_Phdr;
|
||||
#elif SANITIZER_WORDSIZE == 32 && __FreeBSD_version <= 902001 // v9.2
|
||||
#elif SANITIZER_WORDSIZE == 32 && __FreeBSD_version <= 902001 // v9.2
|
||||
#define Elf_Phdr XElf32_Phdr
|
||||
#define dl_phdr_info xdl_phdr_info
|
||||
#define dl_iterate_phdr(c, b) xdl_iterate_phdr((c), (b))
|
||||
#endif // !SANITIZER_FREEBSD && !SANITIZER_OPENBSD
|
||||
#endif // !SANITIZER_FREEBSD && !SANITIZER_OPENBSD
|
||||
|
||||
struct DlIteratePhdrData {
|
||||
InternalMmapVectorNoCtor<LoadedModule> *modules;
|
||||
|
|
@ -538,7 +545,7 @@ struct DlIteratePhdrData {
|
|||
};
|
||||
|
||||
static int dl_iterate_phdr_cb(dl_phdr_info *info, size_t size, void *arg) {
|
||||
DlIteratePhdrData *data = (DlIteratePhdrData*)arg;
|
||||
DlIteratePhdrData *data = (DlIteratePhdrData *)arg;
|
||||
InternalScopedString module_name(kMaxPathLength);
|
||||
if (data->first) {
|
||||
data->first = false;
|
||||
|
|
@ -558,8 +565,7 @@ static int dl_iterate_phdr_cb(dl_phdr_info *info, size_t size, void *arg) {
|
|||
uptr cur_end = cur_beg + phdr->p_memsz;
|
||||
bool executable = phdr->p_flags & PF_X;
|
||||
bool writable = phdr->p_flags & PF_W;
|
||||
cur_module.addAddressRange(cur_beg, cur_end, executable,
|
||||
writable);
|
||||
cur_module.addAddressRange(cur_beg, cur_end, executable, writable);
|
||||
}
|
||||
}
|
||||
data->modules->push_back(cur_module);
|
||||
|
|
@ -583,7 +589,7 @@ static bool requiresProcmaps() {
|
|||
}
|
||||
|
||||
static void procmapsInit(InternalMmapVectorNoCtor<LoadedModule> *modules) {
|
||||
MemoryMappingLayout memory_mapping(/*cache_enabled*/true);
|
||||
MemoryMappingLayout memory_mapping(/*cache_enabled*/ true);
|
||||
memory_mapping.DumpListOfModules(modules);
|
||||
}
|
||||
|
||||
|
|
@ -635,15 +641,12 @@ uptr GetRSS() {
|
|||
// We need the second number which is RSS in pages.
|
||||
char *pos = buf;
|
||||
// Skip the first number.
|
||||
while (*pos >= '0' && *pos <= '9')
|
||||
pos++;
|
||||
while (*pos >= '0' && *pos <= '9') pos++;
|
||||
// Skip whitespaces.
|
||||
while (!(*pos >= '0' && *pos <= '9') && *pos != 0)
|
||||
pos++;
|
||||
while (!(*pos >= '0' && *pos <= '9') && *pos != 0) pos++;
|
||||
// Read the number.
|
||||
uptr rss = 0;
|
||||
while (*pos >= '0' && *pos <= '9')
|
||||
rss = rss * 10 + *pos++ - '0';
|
||||
while (*pos >= '0' && *pos <= '9') rss = rss * 10 + *pos++ - '0';
|
||||
return rss * GetPageSizeCached();
|
||||
}
|
||||
|
||||
|
|
@ -686,8 +689,8 @@ u32 GetNumberOfCPUs() {
|
|||
break;
|
||||
if (entry->d_ino != 0 && *d_type == DT_DIR) {
|
||||
if (entry->d_name[0] == 'c' && entry->d_name[1] == 'p' &&
|
||||
entry->d_name[2] == 'u' &&
|
||||
entry->d_name[3] >= '0' && entry->d_name[3] <= '9')
|
||||
entry->d_name[2] == 'u' && entry->d_name[3] >= '0' &&
|
||||
entry->d_name[3] <= '9')
|
||||
n_cpus++;
|
||||
}
|
||||
entry = (struct linux_dirent *)(((u8 *)entry) + entry->d_reclen);
|
||||
|
|
@ -705,7 +708,7 @@ u32 GetNumberOfCPUs() {
|
|||
|
||||
#if SANITIZER_LINUX
|
||||
|
||||
# if SANITIZER_ANDROID
|
||||
#if SANITIZER_ANDROID
|
||||
static atomic_uint8_t android_log_initialized;
|
||||
|
||||
void AndroidLogInit() {
|
||||
|
|
@ -717,10 +720,12 @@ static bool ShouldLogAfterPrintf() {
|
|||
return atomic_load(&android_log_initialized, memory_order_acquire);
|
||||
}
|
||||
|
||||
extern "C" SANITIZER_WEAK_ATTRIBUTE
|
||||
int async_safe_write_log(int pri, const char* tag, const char* msg);
|
||||
extern "C" SANITIZER_WEAK_ATTRIBUTE
|
||||
int __android_log_write(int prio, const char* tag, const char* msg);
|
||||
extern "C" SANITIZER_WEAK_ATTRIBUTE int async_safe_write_log(int pri,
|
||||
const char *tag,
|
||||
const char *msg);
|
||||
extern "C" SANITIZER_WEAK_ATTRIBUTE int __android_log_write(int prio,
|
||||
const char *tag,
|
||||
const char *msg);
|
||||
|
||||
// ANDROID_LOG_INFO is 4, but can't be resolved at runtime.
|
||||
#define SANITIZER_ANDROID_LOG_INFO 4
|
||||
|
|
@ -742,14 +747,14 @@ void WriteOneLineToSyslog(const char *s) {
|
|||
}
|
||||
}
|
||||
|
||||
extern "C" SANITIZER_WEAK_ATTRIBUTE
|
||||
void android_set_abort_message(const char *);
|
||||
extern "C" SANITIZER_WEAK_ATTRIBUTE void android_set_abort_message(
|
||||
const char *);
|
||||
|
||||
void SetAbortMessage(const char *str) {
|
||||
if (&android_set_abort_message)
|
||||
android_set_abort_message(str);
|
||||
}
|
||||
# else
|
||||
#else
|
||||
void AndroidLogInit() {}
|
||||
|
||||
static bool ShouldLogAfterPrintf() { return true; }
|
||||
|
|
@ -757,7 +762,7 @@ static bool ShouldLogAfterPrintf() { return true; }
|
|||
void WriteOneLineToSyslog(const char *s) { syslog(LOG_INFO, "%s", s); }
|
||||
|
||||
void SetAbortMessage(const char *str) {}
|
||||
# endif // SANITIZER_ANDROID
|
||||
#endif // SANITIZER_ANDROID
|
||||
|
||||
void LogMessageOnPrintf(const char *str) {
|
||||
if (common_flags()->log_to_syslog && ShouldLogAfterPrintf())
|
||||
|
|
@ -784,8 +789,8 @@ inline bool CanUseVDSO() {
|
|||
// MonotonicNanoTime is a timing function that can leverage the vDSO by calling
|
||||
// clock_gettime. real_clock_gettime only exists if clock_gettime is
|
||||
// intercepted, so define it weakly and use it if available.
|
||||
extern "C" SANITIZER_WEAK_ATTRIBUTE
|
||||
int real_clock_gettime(u32 clk_id, void *tp);
|
||||
extern "C" SANITIZER_WEAK_ATTRIBUTE int real_clock_gettime(u32 clk_id,
|
||||
void *tp);
|
||||
u64 MonotonicNanoTime() {
|
||||
timespec ts;
|
||||
if (CanUseVDSO()) {
|
||||
|
|
@ -876,6 +881,6 @@ uptr MapDynamicShadow(uptr shadow_size_bytes, uptr shadow_scale,
|
|||
return shadow_start;
|
||||
}
|
||||
|
||||
} // namespace __sanitizer
|
||||
} // namespace __sanitizer
|
||||
|
||||
#endif
|
||||
|
|
|
|||
Loading…
Reference in New Issue