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Mint APE Loader v1.5

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This change ports APE Loader to Linux AARCH64, so that Raspberry Pi
users can run programs like redbean, without the executable needing
to modify itself. Progress has also slipped into this change on the
issue of making progress better conforming to user expectations and
industry standards regarding which symbols we're allowed to declare
This commit is contained in:
Justine Tunney 2023-07-26 13:54:49 -07:00
parent 6843150e0c
commit 7e0a09feec
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GPG key ID: BE714B4575D6E328
510 changed files with 1783 additions and 1483 deletions
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10
libc/testlib/memoryexists.c
View file

@ -51,7 +51,7 @@ static void ContinueOnError(int sig, siginfo_t *si, void *vctx) {
* on error. It then attempts a volatile read and if it faults, then
* this function shall return false. The value at `p` isn't considered.
*/
noasan bool testlib_memoryexists(const void *p) {
dontasan bool testlib_memoryexists(const void *p) {
volatile char c;
const atomic_char *mem = p;
struct sigaction old[2];
@ -60,11 +60,11 @@ noasan bool testlib_memoryexists(const void *p) {
.sa_flags = SA_SIGINFO,
};
gotsignal = 0;
_npassert(!sigaction(SIGSEGV, &sa, old + 0));
_npassert(!sigaction(SIGBUS, &sa, old + 1));
npassert(!sigaction(SIGSEGV, &sa, old + 0));
npassert(!sigaction(SIGBUS, &sa, old + 1));
c = atomic_load(mem);
(void)c;
_npassert(!sigaction(SIGBUS, old + 1, 0));
_npassert(!sigaction(SIGSEGV, old + 0, 0));
npassert(!sigaction(SIGBUS, old + 1, 0));
npassert(!sigaction(SIGSEGV, old + 0, 0));
return !gotsignal;
}