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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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20
libc/calls/sigenter-freebsd.c
View file

@ -25,13 +25,13 @@
#include "libc/calls/typedef/sigaction_f.h"
#include "libc/calls/ucontext.h"
#include "libc/intrin/kprintf.h"
#include "libc/intrin/repstosb.h"
#include "libc/log/libfatal.internal.h"
#include "libc/macros.internal.h"
#include "libc/str/str.h"
#include "libc/sysv/consts/sa.h"
void __sigenter_freebsd(int sig, struct siginfo_freebsd *freebsdinfo,
struct ucontext_freebsd *ctx) {
privileged void __sigenter_freebsd(int sig, struct siginfo_freebsd *freebsdinfo,
struct ucontext_freebsd *ctx) {
int rva, flags;
struct Goodies {
ucontext_t uc;
@ -43,14 +43,14 @@ void __sigenter_freebsd(int sig, struct siginfo_freebsd *freebsdinfo,
if (~flags & SA_SIGINFO) {
((sigaction_f)(_base + rva))(sig, 0, 0);
} else {
repstosb(&g, 0, sizeof(g));
__repstosb(&g, 0, sizeof(g));
g.uc.uc_mcontext.fpregs = &g.uc.__fpustate;
g.uc.uc_stack.ss_sp = ctx->uc_stack.ss_sp;
g.uc.uc_stack.ss_size = ctx->uc_stack.ss_size;
g.uc.uc_stack.ss_flags = ctx->uc_stack.ss_flags;
g.uc.uc_flags = ctx->uc_flags;
memcpy(&g.uc.uc_sigmask, &ctx->uc_sigmask,
MIN(sizeof(g.uc.uc_sigmask), sizeof(ctx->uc_sigmask)));
__repmovsb(&g.uc.uc_sigmask, &ctx->uc_sigmask,
MIN(sizeof(g.uc.uc_sigmask), sizeof(ctx->uc_sigmask)));
g.uc.uc_mcontext.r8 = ctx->uc_mcontext.mc_r8;
g.uc.uc_mcontext.r9 = ctx->uc_mcontext.mc_r9;
g.uc.uc_mcontext.r10 = ctx->uc_mcontext.mc_r10;
@ -73,7 +73,7 @@ void __sigenter_freebsd(int sig, struct siginfo_freebsd *freebsdinfo,
g.uc.uc_mcontext.gs = ctx->uc_mcontext.mc_gs;
g.uc.uc_mcontext.err = ctx->uc_mcontext.mc_err;
g.uc.uc_mcontext.trapno = ctx->uc_mcontext.mc_trapno;
memcpy(&g.uc.__fpustate, &ctx->uc_mcontext.mc_fpstate, 512);
__repmovsb(&g.uc.__fpustate, &ctx->uc_mcontext.mc_fpstate, 512);
g.si.si_signo = freebsdinfo->si_signo;
g.si.si_errno = freebsdinfo->si_errno;
g.si.si_code = freebsdinfo->si_code;
@ -89,8 +89,8 @@ void __sigenter_freebsd(int sig, struct siginfo_freebsd *freebsdinfo,
ctx->uc_stack.ss_size = g.uc.uc_stack.ss_size;
ctx->uc_stack.ss_flags = g.uc.uc_stack.ss_flags;
ctx->uc_flags = g.uc.uc_flags;
memcpy(&ctx->uc_sigmask, &g.uc.uc_sigmask,
MIN(sizeof(g.uc.uc_sigmask), sizeof(ctx->uc_sigmask)));
__repmovsb(&ctx->uc_sigmask, &g.uc.uc_sigmask,
MIN(sizeof(g.uc.uc_sigmask), sizeof(ctx->uc_sigmask)));
ctx->uc_mcontext.mc_rdi = g.uc.uc_mcontext.rdi;
ctx->uc_mcontext.mc_rsi = g.uc.uc_mcontext.rsi;
ctx->uc_mcontext.mc_rdx = g.uc.uc_mcontext.rdx;
@ -113,7 +113,7 @@ void __sigenter_freebsd(int sig, struct siginfo_freebsd *freebsdinfo,
ctx->uc_mcontext.mc_err = g.uc.uc_mcontext.err;
ctx->uc_mcontext.mc_rip = g.uc.uc_mcontext.rip;
ctx->uc_mcontext.mc_rsp = g.uc.uc_mcontext.rsp;
memcpy(&ctx->uc_mcontext.mc_fpstate, &g.uc.__fpustate, 512);
__repmovsb(&ctx->uc_mcontext.mc_fpstate, &g.uc.__fpustate, 512);
}
}
/*