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Exclude strace from MODE=tiny builds

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This change gets o/tinylinux/examples/hello2.com back down to 8kb in
size which had been unintentionally bloated to 40kb in recent months

See #965
This commit is contained in:
Justine Tunney 2023-11-29 03:45:54 -08:00
parent b7e1dc81c2
commit 2b960bb249
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GPG key ID: BE714B4575D6E328
18 changed files with 46 additions and 33 deletions
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10
libc/proc/fork-nt.c
View file

@ -61,7 +61,7 @@
void WipeKeystrokes(void);
static textwindows wontreturn void AbortFork(const char *func) {
#ifdef SYSDEBUG
#if SYSDEBUG
kprintf("fork() %s() failed with win32 error %d\n", func, GetLastError());
#endif
TerminateThisProcess(SIGSTKFLT);
@ -104,7 +104,7 @@ static dontinline textwindows bool WriteAll(int64_t h, void *buf, size_t n) {
#ifndef NDEBUG
if (ok) ok = ForkIo2(h, &n, sizeof(n), WriteFile, "WriteFile", false);
#endif
#ifdef SYSDEBUG
#if SYSDEBUG
if (!ok) {
kprintf("failed to write %zu bytes to forked child: %d\n", n,
GetLastError());
@ -194,7 +194,7 @@ textwindows void WinMainForked(void) {
if (!varlen || varlen >= ARRAYLEN(fvar)) return;
NTTRACE("WinMainForked()");
SetEnvironmentVariable(u"_FORK", NULL);
#ifdef SYSDEBUG
#if SYSDEBUG
int64_t oncrash = AddVectoredExceptionHandler(1, (void *)OnForkCrash);
#endif
ParseInt(fvar, &reader);
@ -271,7 +271,7 @@ textwindows void WinMainForked(void) {
fds->p[2].handle = GetStdHandle(kNtStdErrorHandle);
// restore the crash reporting stuff
#ifdef SYSDEBUG
#if SYSDEBUG
RemoveVectoredExceptionHandler(oncrash);
#endif
if (_weaken(__sig_init)) {
@ -314,7 +314,7 @@ textwindows int sys_fork_nt(uint32_t dwCreationFlags) {
startinfo.hStdOutput = g_fds.p[1].handle;
startinfo.hStdError = g_fds.p[2].handle;
args = __argv;
#ifdef SYSDEBUG
#if SYSDEBUG
// If --strace was passed to this program, then propagate it the
// forked process since the flag was removed by __intercept_flag
if (strace_enabled(0) > 0) {

6
libc/proc/vfork.S
View file

@ -55,7 +55,7 @@ vfork:
#if !IsTiny()
push %rbp
mov %rsp,%rbp
#ifdef SYSDEBUG
#if SYSDEBUG
ezlea .Llog,di
call __stracef
#endif
@ -93,7 +93,7 @@ vfork:
b fork // which doesn't support vfork()
1:
#ifdef SYSDEBUG
#if SYSDEBUG
stp x29,x30,[sp,-16]!
adrp x0,.Llog
add x0,x0,:lo12:.Llog
@ -130,7 +130,7 @@ vfork:
#endif
.endfn vfork,globl
#ifdef SYSDEBUG
#if SYSDEBUG
.rodata.str1.1
.Llog: .ascii STRACE_PROLOGUE
.asciz "vfork()\n"