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Support thread local storage

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This commit is contained in:
Justine Tunney 2022-05-16 13:20:08 -07:00
parent 91ee2b19d4
commit 55de4ca6b5
197 changed files with 1483 additions and 874 deletions
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23
libc/calls/sigenter-xnu.c
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@ -25,6 +25,7 @@
#include "libc/calls/ucontext.h"
#include "libc/intrin/kprintf.h"
#include "libc/intrin/repstosb.h"
#include "libc/log/libfatal.internal.h"
#include "libc/str/str.h"
#include "libc/sysv/consts/sa.h"
@ -355,19 +356,19 @@ struct __darwin_ucontext {
struct __darwin_mcontext64 *uc_mcontext;
};
noasan static void xnuexceptionstate2linux(
static privileged void xnuexceptionstate2linux(
mcontext_t *mc, struct __darwin_x86_exception_state64 *xnues) {
mc->trapno = xnues->__trapno;
mc->err = xnues->__err;
}
noasan static void linuxexceptionstate2xnu(
static privileged void linuxexceptionstate2xnu(
struct __darwin_x86_exception_state64 *xnues, mcontext_t *mc) {
xnues->__trapno = mc->trapno;
xnues->__err = mc->err;
}
noasan static void xnuthreadstate2linux(
static privileged void xnuthreadstate2linux(
mcontext_t *mc, struct __darwin_x86_thread_state64 *xnuss) {
mc->rdi = xnuss->__rdi;
mc->rsi = xnuss->__rsi;
@ -392,7 +393,7 @@ noasan static void xnuthreadstate2linux(
mc->r15 = xnuss->__r15;
}
noasan static void linuxthreadstate2xnu(
static privileged void linuxthreadstate2xnu(
struct __darwin_x86_thread_state64 *xnuss, ucontext_t *uc, mcontext_t *mc) {
xnuss->__rdi = mc->rdi;
xnuss->__rsi = mc->rsi;
@ -417,14 +418,14 @@ noasan static void linuxthreadstate2xnu(
xnuss->__r15 = mc->r15;
}
noasan static void CopyFpXmmRegs(void *d, const void *s) {
static privileged void CopyFpXmmRegs(void *d, const void *s) {
size_t i;
for (i = 0; i < (8 + 16) * 16; i += 16) {
__builtin_memcpy((char *)d + i, (const char *)s + i, 16);
}
}
noasan static void xnussefpustate2linux(
static privileged void xnussefpustate2linux(
struct FpuState *fs, struct __darwin_x86_float_state64 *xnufs) {
fs->cwd = xnufs->__fpu_fcw;
fs->swd = xnufs->__fpu_fsw;
@ -437,7 +438,7 @@ noasan static void xnussefpustate2linux(
CopyFpXmmRegs(fs->st, &xnufs->__fpu_stmm0);
}
noasan static void linuxssefpustate2xnu(
static privileged void linuxssefpustate2xnu(
struct __darwin_x86_float_state64 *xnufs, struct FpuState *fs) {
xnufs->__fpu_fcw = fs->cwd;
xnufs->__fpu_fsw = fs->swd;
@ -450,9 +451,9 @@ noasan static void linuxssefpustate2xnu(
CopyFpXmmRegs(&xnufs->__fpu_stmm0, fs->st);
}
noasan void __sigenter_xnu(void *fn, int infostyle, int sig,
struct siginfo_xnu *xnuinfo,
struct __darwin_ucontext *xnuctx) {
privileged void __sigenter_xnu(void *fn, int infostyle, int sig,
struct siginfo_xnu *xnuinfo,
struct __darwin_ucontext *xnuctx) {
intptr_t ax;
int rva, flags;
struct Goodies {
@ -465,7 +466,7 @@ noasan void __sigenter_xnu(void *fn, int infostyle, int sig,
if (~flags & SA_SIGINFO) {
((sigaction_f)(_base + rva))(sig, 0, 0);
} else {
repstosb(&g, 0, sizeof(g));
__repstosb(&g, 0, sizeof(g));
if (xnuctx) {
g.uc.uc_flags = xnuctx->uc_onstack ? SA_ONSTACK : 0;
g.uc.uc_sigmask.__bits[0] = xnuctx->uc_sigmask;