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Bring back gc() function

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Renaming gc() to _gc() was a mistake since the better thing to do is put
it behind the _COSMO_SOURCE macro. We need this change because I haven't
wanted to use my amazing garbage collector ever since we renamed it. You
now need to define _COSMO_SOURCE yourself when using amalgamation header
and cosmocc users need to pass the -mcosmo flag to get the gc() function

Some other issues relating to cancelation have been fixed along the way.
We're also now putting cosmocc in a folder named `.cosmocc` so it can be
more safely excluded by grep --exclude-dir=.cosmocc --exclude-dir=o etc.
This commit is contained in:
Justine Tunney 2024-01-08 10:07:35 -08:00
parent 6cb0354e19
commit a4b455185b
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GPG key ID: BE714B4575D6E328
280 changed files with 1362 additions and 1407 deletions
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28
test/libc/log/backtrace_test.c
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@ -115,7 +115,7 @@ TEST(ShowCrashReports, testMemoryLeakCrash) {
}
close(fds[0]);
ASSERT_NE(-1, wait(&ws));
// tinyprint(2, _gc(IndentLines(output, -1, 0, 4)), "\n", NULL);
// tinyprint(2, gc(IndentLines(output, -1, 0, 4)), "\n", NULL);
EXPECT_EQ(78 << 8, ws);
ASSERT_TRUE(!!strstr(output, "UNFREED MEMORY"));
if (IsAsan()) {
@ -207,7 +207,7 @@ TEST(ShowCrashReports, testDivideByZero) {
}
close(fds[0]);
ASSERT_NE(-1, wait(&ws));
// tinyprint(2, _gc(IndentLines(output, -1, 0, 4)), "\n", NULL);
// tinyprint(2, gc(IndentLines(output, -1, 0, 4)), "\n", NULL);
if (IsModeDbg()) {
EXPECT_EQ(77 << 8, ws);
} else {
@ -222,32 +222,32 @@ TEST(ShowCrashReports, testDivideByZero) {
// UBSAN handled it
} else {
// ShowCrashReports() handled it
if (!strstr(output, _gc(xasprintf("%d", pid)))) {
if (!strstr(output, gc(xasprintf("%d", pid)))) {
fprintf(stderr, "ERROR: crash report didn't have pid\n%s\n",
_gc(IndentLines(output, -1, 0, 4)));
gc(IndentLines(output, -1, 0, 4)));
__die();
}
if (!strstr(output, "SIGFPE")) {
fprintf(stderr, "ERROR: crash report didn't have signal name\n%s\n",
_gc(IndentLines(output, -1, 0, 4)));
gc(IndentLines(output, -1, 0, 4)));
__die();
}
// XXX: WSL doesn't save and restore x87 registers to ucontext_t
if (!__iswsl1()) {
if (!strstr(output, "3.141")) {
fprintf(stderr, "ERROR: crash report didn't have fpu register\n%s\n",
_gc(IndentLines(output, -1, 0, 4)));
gc(IndentLines(output, -1, 0, 4)));
__die();
}
}
if (!strstr(output, "0f0e0d0c0b0a09080706050403020100")) {
fprintf(stderr, "ERROR: crash report didn't have sse register\n%s\n",
_gc(IndentLines(output, -1, 0, 4)));
gc(IndentLines(output, -1, 0, 4)));
__die();
}
if (!strstr(output, "3133731337")) {
fprintf(stderr, "ERROR: crash report didn't have general register\n%s\n",
_gc(IndentLines(output, -1, 0, 4)));
gc(IndentLines(output, -1, 0, 4)));
__die();
}
}
@ -332,7 +332,7 @@ TEST(ShowCrashReports, testBssOverrunCrash) {
}
close(fds[0]);
ASSERT_NE(-1, wait(&ws));
// tinyprint(2, _gc(IndentLines(output, -1, 0, 4)), "\n", NULL);
// tinyprint(2, gc(IndentLines(output, -1, 0, 4)), "\n", NULL);
EXPECT_EQ(77 << 8, ws);
/* NULL is stopgap until we can copy symbol tablces into binary */
#ifdef __FNO_OMIT_FRAME_POINTER__
@ -407,7 +407,7 @@ TEST(ShowCrashReports, testNpeCrash) {
}
close(fds[0]);
ASSERT_NE(-1, wait(&ws));
// tinyprint(2, _gc(IndentLines(output, -1, 0, 4)), "\n", NULL);
// tinyprint(2, gc(IndentLines(output, -1, 0, 4)), "\n", NULL);
EXPECT_EQ(77 << 8, ws);
/* NULL is stopgap until we can copy symbol tables into binary */
ASSERT_TRUE(!!strstr(output, "null pointer"));
@ -451,7 +451,7 @@ TEST(ShowCrashReports, testDataOverrunCrash) {
}
close(fds[0]);
ASSERT_NE(-1, wait(&ws));
// tinyprint(2, _gc(IndentLines(output, -1, 0, 4)), "\n", NULL);
// tinyprint(2, gc(IndentLines(output, -1, 0, 4)), "\n", NULL);
EXPECT_EQ(77 << 8, ws);
/* NULL is stopgap until we can copy symbol tablces into binary */
#ifdef __FNO_OMIT_FRAME_POINTER__
@ -499,7 +499,7 @@ TEST(ShowCrashReports, testNpeCrashAfterFinalize) {
}
close(fds[0]);
ASSERT_NE(-1, wait(&ws));
// tinyprint(2, _gc(IndentLines(output, -1, 0, 4)), "\n", NULL);
// tinyprint(2, gc(IndentLines(output, -1, 0, 4)), "\n", NULL);
if (IsModeDbg()) {
EXPECT_EQ(77 << 8, ws);
} else {
@ -509,13 +509,13 @@ TEST(ShowCrashReports, testNpeCrashAfterFinalize) {
/* NULL is stopgap until we can copy symbol tables into binary */
if (!strstr(output, IsAsan() ? "null pointer" : "Uncaught SIGSEGV (SEGV_")) {
fprintf(stderr, "ERROR: crash report didn't diagnose the problem\n%s\n",
_gc(IndentLines(output, -1, 0, 4)));
gc(IndentLines(output, -1, 0, 4)));
__die();
}
#ifdef __FNO_OMIT_FRAME_POINTER__
if (!OutputHasSymbol(output, "NpeCrash")) {
fprintf(stderr, "ERROR: crash report didn't have backtrace\n%s\n",
_gc(IndentLines(output, -1, 0, 4)));
gc(IndentLines(output, -1, 0, 4)));
__die();
}
#endif