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Remove some legacy cruft

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Function trace logs will report stack usage accurately. It won't include
the argv/environ block. Our clone() polyfill is now simpler and does not
use as much stack memory. Function call tracing on x86 is now faster too
This commit is contained in:
Justine Tunney 2025-01-02 18:44:07 -08:00
parent 8db646f6b2
commit a15958edc6
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GPG key ID: BE714B4575D6E328
21 changed files with 291 additions and 467 deletions
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5
libc/log/backtrace3.c
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@ -48,9 +48,8 @@
* @param st is open symbol table for current executable
* @return -1 w/ errno if error happened
*/
dontinstrument int PrintBacktraceUsingSymbols(int fd,
const struct StackFrame *bp,
struct SymbolTable *st) {
int PrintBacktraceUsingSymbols(int fd, const struct StackFrame *bp,
struct SymbolTable *st) {
size_t gi;
char *cxxbuf;
intptr_t addr;

4
libc/log/watch.c
View file

@ -33,14 +33,14 @@ static char __watch_last[4096];
void __watch_hook(void);
static dontinstrument inline void Copy(char *p, char *q, size_t n) {
dontinstrument static inline void Copy(char *p, char *q, size_t n) {
size_t i;
for (i = 0; i < n; ++i) {
p[i] = q[i];
}
}
static dontinstrument inline int Cmp(char *p, char *q, size_t n) {
dontinstrument static inline int Cmp(char *p, char *q, size_t n) {
if (n == 8)
return READ64LE(p) != READ64LE(q);
if (n == 4)