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Mint APE Loader v1.5

Browse source 
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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22
libc/runtime/clone.c
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@ -113,11 +113,11 @@ int WinThreadLaunch(void *arg, // rdi
// 2. windows owns the stack memory right now
// we need win32 raw imports because:
// 1. generated thunks are function logged
noasan dontinstrument static textwindows wontreturn void //
WinThreadEntry(int rdi, // rcx
int rsi, // rdx
int rdx, // r8
struct CloneArgs *wt) { // r9
dontasan dontinstrument static textwindows wontreturn void //
WinThreadEntry(int rdi, // rcx
int rsi, // rdx
int rdx, // r8
struct CloneArgs *wt) { // r9
int rc;
if (wt->tls) __set_tls_win32(wt->tls);
*wt->ctid = wt->tid;
@ -143,7 +143,7 @@ static textwindows errno_t CloneWindows(int (*func)(void *, int), char *stk,
wt->func = func;
wt->arg = arg;
wt->tls = flags & CLONE_SETTLS ? tls : 0;
if ((h = CreateThread(0, 4096, (void *)WinThreadEntry, wt, 0, &wt->utid))) {
if ((h = CreateThread(0, 65536, (void *)WinThreadEntry, wt, 0, &wt->utid))) {
CloseHandle(h);
if (flags & CLONE_PARENT_SETTID) {
*ptid = wt->tid;
@ -216,7 +216,7 @@ static errno_t CloneXnu(int (*fn)(void *), char *stk, size_t stksz, int flags,
static bool once;
struct CloneArgs *wt;
if (!once) {
_npassert(sys_bsdthread_register(XnuThreadThunk, 0, 0, 0, 0, 0, 0) != -1);
npassert(sys_bsdthread_register(XnuThreadThunk, 0, 0, 0, 0, 0, 0) != -1);
once = true;
}
wt = AllocateCloneArgs(stk, stksz);
@ -286,7 +286,7 @@ static errno_t CloneFreebsd(int (*func)(void *, int), char *stk, size_t stksz,
// we can't use address sanitizer because:
// 1. __asan_handle_no_return wipes stack [todo?]
noasan static wontreturn void OpenbsdThreadMain(void *p) {
dontasan static wontreturn void OpenbsdThreadMain(void *p) {
struct CloneArgs *wt = p;
*wt->ctid = wt->tid;
wt->func(wt->arg, wt->tid);
@ -325,7 +325,7 @@ static errno_t CloneOpenbsd(int (*func)(void *, int), char *stk, size_t stksz,
tf->tf_tcb = flags & CLONE_SETTLS ? tls : 0;
tf->tf_tid = &wt->tid;
if ((rc = __tfork_thread(tf, sizeof(*tf), OpenbsdThreadMain, wt)) >= 0) {
_npassert(rc);
npassert(rc);
if (flags & CLONE_PARENT_SETTID) {
*ptid = rc;
}
@ -376,7 +376,7 @@ static int CloneNetbsd(int (*func)(void *, int), char *stk, size_t stksz,
: CFLAG_CONSTRAINT(failed), "=a"(ax)
: "1"(__NR_getcontext_netbsd), "D"(&netbsd_clone_template)
: "rcx", "rdx", "r8", "r9", "r10", "r11", "memory");
_npassert(!failed);
npassert(!failed);
once = true;
}
sp = (intptr_t)(stk + stksz);
@ -425,7 +425,7 @@ static int CloneNetbsd(int (*func)(void *, int), char *stk, size_t stksz,
: "1"(__NR__lwp_create), "D"(ctx), "S"(LWP_DETACHED), "2"(tid)
: "rcx", "r8", "r9", "r10", "r11", "memory");
if (!failed) {
_npassert(*tid);
npassert(*tid);
if (flags & CLONE_PARENT_SETTID) {
*ptid = *tid;
}