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Add minor improvements and cleanup

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This commit is contained in:
Justine Tunney
2020-10-27 03:39:46 -07:00
parent 9e3e985ae5
commit feed0d2b0e
163 changed files with 2286 additions and 2245 deletions
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24
libc/log/asan.c
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@@ -22,9 +22,11 @@
#include "libc/conv/itoa.h"
#include "libc/log/asan.h"
#include "libc/log/backtrace.h"
#include "libc/log/log.h"
#include "libc/mem/hook/hook.h"
#include "libc/runtime/directmap.h"
#include "libc/runtime/memtrack.h"
#include "libc/runtime/runtime.h"
#include "libc/sysv/consts/fileno.h"
#include "libc/sysv/consts/map.h"
#include "libc/sysv/consts/prot.h"
@@ -144,16 +146,23 @@ static const char *__asan_describe_access_poison(int c) {
static noreturn void __asan_die(const char *msg, size_t size) {
write(STDERR_FILENO, msg, size);
PrintBacktraceUsingSymbols(STDERR_FILENO, __builtin_frame_address(0),
GetSymbolTable());
DebugBreak();
_Exit(66);
die();
}
static char *__asan_report_start(char *p) {
bool ansi;
const char *term;
term = getenv("TERM");
ansi = !term || strcmp(term, "dumb") != 0;
if (ansi) p = stpcpy(p, "\r\e[J\e[1;91m");
p = stpcpy(p, "asan error");
if (ansi) p = stpcpy(p, "\e[0m");
return stpcpy(p, ": ");
}
static noreturn void __asan_report_deallocate_fault(void *addr, int c) {
char *p, ibuf[21], buf[256];
p = buf;
p = stpcpy(p, "error: ");
p = __asan_report_start(buf);
p = stpcpy(p, __asan_dscribe_free_poison(c));
p = stpcpy(p, " ");
p = mempcpy(p, ibuf, int64toarray_radix10(c, ibuf));
@@ -166,8 +175,7 @@ static noreturn void __asan_report_deallocate_fault(void *addr, int c) {
static noreturn void __asan_report_memory_fault(uint8_t *addr, int size,
const char *kind) {
char *p, ibuf[21], buf[256];
p = buf;
p = stpcpy(p, "error: ");
p = __asan_report_start(buf);
p = stpcpy(p, __asan_describe_access_poison(*(char *)SHADOW((intptr_t)addr)));
p = stpcpy(p, " ");
p = mempcpy(p, ibuf, uint64toarray_radix10(size, ibuf));