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Get garbage collector working on aarch64

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Garbage collection will now happen on arm64 when a function returns,
rather than kicking the can down the road to when the process exits.
This change also does some code cleanup and incorporates suggestions
This commit is contained in:
Justine Tunney 2023-06-07 03:34:45 -07:00
parent 9793d3524f
commit 01fd655097
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GPG key ID: BE714B4575D6E328
16 changed files with 144 additions and 323 deletions
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44
test/libc/nexgen32e/ffs_test.c
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@ -1,44 +0,0 @@
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/nexgen32e/ffs.h"
#include "libc/nexgen32e/nexgen32e.h"
#include "libc/testlib/testlib.h"
TEST(ffs, test) {
EXPECT_EQ(__builtin_ffs(0), (ffs)(0));
EXPECT_EQ(__builtin_ffs(1), (ffs)(1));
EXPECT_EQ(__builtin_ffs(0x00100000), (ffs)(0x00100000));
EXPECT_EQ(__builtin_ffs(-1), (ffs)(-1));
}
TEST(ffsl, test) {
EXPECT_EQ(__builtin_ffsl(0), (ffsl)(0));
EXPECT_EQ(__builtin_ffsl(1), (ffsl)(1));
EXPECT_EQ(__builtin_ffsl(0x00100000), (ffsl)(0x00100000));
EXPECT_EQ(__builtin_ffsl(0x0010000000000000), (ffsl)(0x0010000000000000));
EXPECT_EQ(__builtin_ffsl(-1), (ffsl)(-1));
}
TEST(ffsll, test) {
EXPECT_EQ(__builtin_ffsll(0), (ffsll)(0));
EXPECT_EQ(__builtin_ffsll(1), (ffsll)(1));
EXPECT_EQ(__builtin_ffsll(0x00100000), (ffsll)(0x00100000));
EXPECT_EQ(__builtin_ffsll(0x0010000000000000), (ffsll)(0x0010000000000000));
EXPECT_EQ(__builtin_ffsll(-1), (ffsll)(-1));
}

2
test/libc/nexgen32e/gclongjmp_test.c
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@ -30,7 +30,7 @@
#include "libc/thread/spawn.h"
#include "libc/x/x.h"
#ifdef __x86_64__
// TODO(jart): get garbage collector working properly on aarch64
// TODO(jart): get gclongjmp() working properly on aarch64
#define GC(x) _defer(Free, x)

27
test/libc/nexgen32e/pcmpstr_test.c
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@ -1,27 +0,0 @@
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2022 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/nexgen32e/nexgen32e.h"
#include "libc/testlib/testlib.h"
// pcmpestrm
/* TEST(pcmpstr, test) { */
/* EXPECT_EQ(0, pcmpstr()); */
/* EXPECT_STREQ("", pcmpstr()); */
/* } */

61
test/libc/nexgen32e/stackrw_test.c
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@ -1,61 +0,0 @@
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2022 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/calls/struct/sigaction.h"
#include "libc/calls/ucontext.h"
#include "libc/dce.h"
#include "libc/runtime/runtime.h"
#include "libc/sysv/consts/sa.h"
#include "libc/sysv/consts/sig.h"
#include "libc/testlib/testlib.h"
/**
* @fileoverview test non-executable stack is default
*/
jmp_buf jb;
void EscapeSegfault(int sig, struct siginfo *si, void *vctx) {
longjmp(jb, 666);
}
TEST(xstack, test) {
if (IsXnu()) return; // TODO(jart): what's up with xnu in MODE=tiny?
struct sigaction old[2];
struct sigaction sa = {
.sa_sigaction = EscapeSegfault,
.sa_flags = SA_SIGINFO,
};
sigaction(SIGSEGV, &sa, old + 0);
sigaction(SIGBUS, &sa, old + 1);
char code[16] = {
0x55, // push %rbp
0xb8, 0007, 0x00, 0x00, 0x00, // mov $7,%eax
0x5d, // push %rbp
0xc3, // ret
};
int (*func)(void) = (void *)code;
int rc;
if (!(rc = setjmp(jb))) {
func();
abort();
}
ASSERT_EQ(666, rc);
sigaction(SIGBUS, old + 1, 0);
sigaction(SIGSEGV, old + 0, 0);
}

45
test/libc/nexgen32e/stackrwx_test.c
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@ -1,45 +0,0 @@
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2022 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/runtime/runtime.h"
#include "libc/runtime/stack.h"
#include "libc/str/str.h"
#include "libc/sysv/consts/map.h"
#include "libc/sysv/consts/prot.h"
#include "libc/testlib/testlib.h"
#if 0 // TODO(jart): fix MODE=tiny
/**
* @fileoverview tests executable stack
*/
STATIC_EXEC_STACK();
TEST(xstack, test) {
char code[16] = {
0x55, // push %rbp
0xb8, 0007, 0x00, 0x00, 0x00, // mov $7,%eax
0x5d, // push %rbp
0xc3, // ret
};
int (*func)(void) = (void *)code;
ASSERT_EQ(7, func());
}
#endif

2
test/libc/x/utf16to32_test.c
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@ -16,8 +16,8 @@
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/mem/mem.h"
#include "libc/mem/gc.internal.h"
#include "libc/mem/mem.h"
#include "libc/testlib/ezbench.h"
#include "libc/testlib/hyperion.h"
#include "libc/testlib/testlib.h"