forked from OSchip/llvm-project
264 lines
9.1 KiB
C++
264 lines
9.1 KiB
C++
//===-- sanitizer_common.cpp ----------------------------------------------===//
|
|
//
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file is shared between sanitizers' run-time libraries.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "sanitizer_stacktrace_printer.h"
|
|
#include "sanitizer_file.h"
|
|
#include "sanitizer_fuchsia.h"
|
|
|
|
namespace __sanitizer {
|
|
|
|
// sanitizer_symbolizer_markup.cpp implements these differently.
|
|
#if !SANITIZER_SYMBOLIZER_MARKUP
|
|
|
|
static const char *StripFunctionName(const char *function, const char *prefix) {
|
|
if (!function) return nullptr;
|
|
if (!prefix) return function;
|
|
uptr prefix_len = internal_strlen(prefix);
|
|
if (0 == internal_strncmp(function, prefix, prefix_len))
|
|
return function + prefix_len;
|
|
return function;
|
|
}
|
|
|
|
static const char *DemangleFunctionName(const char *function) {
|
|
if (!function) return nullptr;
|
|
|
|
// NetBSD uses indirection for old threading functions for historical reasons
|
|
// The mangled names are internal implementation detail and should not be
|
|
// exposed even in backtraces.
|
|
#if SANITIZER_NETBSD
|
|
if (!internal_strcmp(function, "__libc_mutex_init"))
|
|
return "pthread_mutex_init";
|
|
if (!internal_strcmp(function, "__libc_mutex_lock"))
|
|
return "pthread_mutex_lock";
|
|
if (!internal_strcmp(function, "__libc_mutex_trylock"))
|
|
return "pthread_mutex_trylock";
|
|
if (!internal_strcmp(function, "__libc_mutex_unlock"))
|
|
return "pthread_mutex_unlock";
|
|
if (!internal_strcmp(function, "__libc_mutex_destroy"))
|
|
return "pthread_mutex_destroy";
|
|
if (!internal_strcmp(function, "__libc_mutexattr_init"))
|
|
return "pthread_mutexattr_init";
|
|
if (!internal_strcmp(function, "__libc_mutexattr_settype"))
|
|
return "pthread_mutexattr_settype";
|
|
if (!internal_strcmp(function, "__libc_mutexattr_destroy"))
|
|
return "pthread_mutexattr_destroy";
|
|
if (!internal_strcmp(function, "__libc_cond_init"))
|
|
return "pthread_cond_init";
|
|
if (!internal_strcmp(function, "__libc_cond_signal"))
|
|
return "pthread_cond_signal";
|
|
if (!internal_strcmp(function, "__libc_cond_broadcast"))
|
|
return "pthread_cond_broadcast";
|
|
if (!internal_strcmp(function, "__libc_cond_wait"))
|
|
return "pthread_cond_wait";
|
|
if (!internal_strcmp(function, "__libc_cond_timedwait"))
|
|
return "pthread_cond_timedwait";
|
|
if (!internal_strcmp(function, "__libc_cond_destroy"))
|
|
return "pthread_cond_destroy";
|
|
if (!internal_strcmp(function, "__libc_rwlock_init"))
|
|
return "pthread_rwlock_init";
|
|
if (!internal_strcmp(function, "__libc_rwlock_rdlock"))
|
|
return "pthread_rwlock_rdlock";
|
|
if (!internal_strcmp(function, "__libc_rwlock_wrlock"))
|
|
return "pthread_rwlock_wrlock";
|
|
if (!internal_strcmp(function, "__libc_rwlock_tryrdlock"))
|
|
return "pthread_rwlock_tryrdlock";
|
|
if (!internal_strcmp(function, "__libc_rwlock_trywrlock"))
|
|
return "pthread_rwlock_trywrlock";
|
|
if (!internal_strcmp(function, "__libc_rwlock_unlock"))
|
|
return "pthread_rwlock_unlock";
|
|
if (!internal_strcmp(function, "__libc_rwlock_destroy"))
|
|
return "pthread_rwlock_destroy";
|
|
if (!internal_strcmp(function, "__libc_thr_keycreate"))
|
|
return "pthread_key_create";
|
|
if (!internal_strcmp(function, "__libc_thr_setspecific"))
|
|
return "pthread_setspecific";
|
|
if (!internal_strcmp(function, "__libc_thr_getspecific"))
|
|
return "pthread_getspecific";
|
|
if (!internal_strcmp(function, "__libc_thr_keydelete"))
|
|
return "pthread_key_delete";
|
|
if (!internal_strcmp(function, "__libc_thr_once"))
|
|
return "pthread_once";
|
|
if (!internal_strcmp(function, "__libc_thr_self"))
|
|
return "pthread_self";
|
|
if (!internal_strcmp(function, "__libc_thr_exit"))
|
|
return "pthread_exit";
|
|
if (!internal_strcmp(function, "__libc_thr_setcancelstate"))
|
|
return "pthread_setcancelstate";
|
|
if (!internal_strcmp(function, "__libc_thr_equal"))
|
|
return "pthread_equal";
|
|
if (!internal_strcmp(function, "__libc_thr_curcpu"))
|
|
return "pthread_curcpu_np";
|
|
if (!internal_strcmp(function, "__libc_thr_sigsetmask"))
|
|
return "pthread_sigmask";
|
|
#endif
|
|
|
|
return function;
|
|
}
|
|
|
|
static const char kDefaultFormat[] = " #%n %p %F %L";
|
|
|
|
void RenderFrame(InternalScopedString *buffer, const char *format, int frame_no,
|
|
const AddressInfo &info, bool vs_style,
|
|
const char *strip_path_prefix, const char *strip_func_prefix) {
|
|
if (0 == internal_strcmp(format, "DEFAULT"))
|
|
format = kDefaultFormat;
|
|
for (const char *p = format; *p != '\0'; p++) {
|
|
if (*p != '%') {
|
|
buffer->append("%c", *p);
|
|
continue;
|
|
}
|
|
p++;
|
|
switch (*p) {
|
|
case '%':
|
|
buffer->append("%%");
|
|
break;
|
|
// Frame number and all fields of AddressInfo structure.
|
|
case 'n':
|
|
buffer->append("%zu", frame_no);
|
|
break;
|
|
case 'p':
|
|
buffer->append("0x%zx", info.address);
|
|
break;
|
|
case 'm':
|
|
buffer->append("%s", StripPathPrefix(info.module, strip_path_prefix));
|
|
break;
|
|
case 'o':
|
|
buffer->append("0x%zx", info.module_offset);
|
|
break;
|
|
case 'f':
|
|
buffer->append("%s",
|
|
DemangleFunctionName(
|
|
StripFunctionName(info.function, strip_func_prefix)));
|
|
break;
|
|
case 'q':
|
|
buffer->append("0x%zx", info.function_offset != AddressInfo::kUnknown
|
|
? info.function_offset
|
|
: 0x0);
|
|
break;
|
|
case 's':
|
|
buffer->append("%s", StripPathPrefix(info.file, strip_path_prefix));
|
|
break;
|
|
case 'l':
|
|
buffer->append("%d", info.line);
|
|
break;
|
|
case 'c':
|
|
buffer->append("%d", info.column);
|
|
break;
|
|
// Smarter special cases.
|
|
case 'F':
|
|
// Function name and offset, if file is unknown.
|
|
if (info.function) {
|
|
buffer->append("in %s",
|
|
DemangleFunctionName(
|
|
StripFunctionName(info.function, strip_func_prefix)));
|
|
if (!info.file && info.function_offset != AddressInfo::kUnknown)
|
|
buffer->append("+0x%zx", info.function_offset);
|
|
}
|
|
break;
|
|
case 'S':
|
|
// File/line information.
|
|
RenderSourceLocation(buffer, info.file, info.line, info.column, vs_style,
|
|
strip_path_prefix);
|
|
break;
|
|
case 'L':
|
|
// Source location, or module location.
|
|
if (info.file) {
|
|
RenderSourceLocation(buffer, info.file, info.line, info.column,
|
|
vs_style, strip_path_prefix);
|
|
} else if (info.module) {
|
|
RenderModuleLocation(buffer, info.module, info.module_offset,
|
|
info.module_arch, strip_path_prefix);
|
|
} else {
|
|
buffer->append("(<unknown module>)");
|
|
}
|
|
break;
|
|
case 'M':
|
|
// Module basename and offset, or PC.
|
|
if (info.address & kExternalPCBit)
|
|
{} // There PCs are not meaningful.
|
|
else if (info.module)
|
|
// Always strip the module name for %M.
|
|
RenderModuleLocation(buffer, StripModuleName(info.module),
|
|
info.module_offset, info.module_arch, "");
|
|
else
|
|
buffer->append("(%p)", (void *)info.address);
|
|
break;
|
|
default:
|
|
Report("Unsupported specifier in stack frame format: %c (0x%zx)!\n", *p,
|
|
*p);
|
|
Die();
|
|
}
|
|
}
|
|
}
|
|
|
|
void RenderData(InternalScopedString *buffer, const char *format,
|
|
const DataInfo *DI, const char *strip_path_prefix) {
|
|
for (const char *p = format; *p != '\0'; p++) {
|
|
if (*p != '%') {
|
|
buffer->append("%c", *p);
|
|
continue;
|
|
}
|
|
p++;
|
|
switch (*p) {
|
|
case '%':
|
|
buffer->append("%%");
|
|
break;
|
|
case 's':
|
|
buffer->append("%s", StripPathPrefix(DI->file, strip_path_prefix));
|
|
break;
|
|
case 'l':
|
|
buffer->append("%d", DI->line);
|
|
break;
|
|
case 'g':
|
|
buffer->append("%s", DI->name);
|
|
break;
|
|
default:
|
|
Report("Unsupported specifier in stack frame format: %c (0x%zx)!\n", *p,
|
|
*p);
|
|
Die();
|
|
}
|
|
}
|
|
}
|
|
|
|
#endif // !SANITIZER_SYMBOLIZER_MARKUP
|
|
|
|
void RenderSourceLocation(InternalScopedString *buffer, const char *file,
|
|
int line, int column, bool vs_style,
|
|
const char *strip_path_prefix) {
|
|
if (vs_style && line > 0) {
|
|
buffer->append("%s(%d", StripPathPrefix(file, strip_path_prefix), line);
|
|
if (column > 0)
|
|
buffer->append(",%d", column);
|
|
buffer->append(")");
|
|
return;
|
|
}
|
|
|
|
buffer->append("%s", StripPathPrefix(file, strip_path_prefix));
|
|
if (line > 0) {
|
|
buffer->append(":%d", line);
|
|
if (column > 0)
|
|
buffer->append(":%d", column);
|
|
}
|
|
}
|
|
|
|
void RenderModuleLocation(InternalScopedString *buffer, const char *module,
|
|
uptr offset, ModuleArch arch,
|
|
const char *strip_path_prefix) {
|
|
buffer->append("(%s", StripPathPrefix(module, strip_path_prefix));
|
|
if (arch != kModuleArchUnknown) {
|
|
buffer->append(":%s", ModuleArchToString(arch));
|
|
}
|
|
buffer->append("+0x%zx)", offset);
|
|
}
|
|
|
|
} // namespace __sanitizer
|