mirrors/cosmopolitan
1
0
Fork 0
mirror of https://github.com/jart/cosmopolitan.git synced 2025-05-23 13:52:28 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

Add MODE=optlinux build mode (#141)

Browse source
This commit is contained in:
Justine Tunney 2021-10-14 19:36:49 -07:00
parent 226aaf3547
commit 67b5200a0b
111 changed files with 934 additions and 854 deletions
Download patch file Download diff file Expand all files Collapse all files

53
libc/log/libfatal.internal.h
View file

@ -1,5 +1,6 @@
#ifndef COSMOPOLITAN_LIBC_LOG_LIBFATAL_INTERNAL_H_
#define COSMOPOLITAN_LIBC_LOG_LIBFATAL_INTERNAL_H_
#include "libc/calls/calls.h"
#include "libc/dce.h"
#include "libc/macros.internal.h"
#include "libc/nexgen32e/bsr.h"
@ -13,65 +14,96 @@ COSMOPOLITAN_C_START_
extern char __fatalbuf[];
void __printf(const char *, ...);
void __vprintf(const char *, va_list);
forceinline void __sysv_exit(long rc) {
forceinline long __sysv_exit(long rc) {
long ax;
#if defined(__MNO_RED_ZONE__) && defined(__GNUC__) && !defined(__STRICT_ANSI__)
asm volatile("call\t__syscall__"
: /* no outputs */
: "a"(__NR_exit_group), "D"(rc)
: "=a"(ax)
: "0"(__NR_exit_group), "D"(rc)
: "memory", "cc");
#else
ax = syscall(__NR_exit_group, rc);
#endif
return ax;
}
forceinline int __sysv_close(long fd) {
long ax;
#if defined(__MNO_RED_ZONE__) && defined(__GNUC__) && !defined(__STRICT_ANSI__)
asm volatile("call\t__syscall__"
: "=a"(ax)
: "0"(__NR_close), "D"(fd)
: "rdx", "memory", "cc");
#else
ax = syscall(__NR_close, fd);
#endif
return ax;
}
forceinline int __sysv_open(const char *path, long flags, long mode) {
long ax, dx;
#if defined(__MNO_RED_ZONE__) && defined(__GNUC__) && !defined(__STRICT_ANSI__)
asm volatile("call\t__syscall__"
: "=a"(ax), "=d"(dx)
: "0"(__NR_open), "D"(path), "S"(flags), "1"(mode)
: "memory", "cc");
#else
ax = syscall(__NR_open, path, flags, mode);
#endif
return ax;
}
forceinline long __sysv_read(long fd, void *data, unsigned long size) {
long ax, dx;
#if defined(__MNO_RED_ZONE__) && defined(__GNUC__) && !defined(__STRICT_ANSI__)
asm volatile("call\t__syscall__"
: "=a"(ax), "=d"(dx)
: "0"(__NR_read), "D"(fd), "S"(data), "1"(size)
: "memory", "cc");
#else
ax = syscall(__NR_read, fd, data, size);
#endif
return ax;
}
forceinline long __sysv_write(long fd, const void *data, unsigned long size) {
long ax, dx;
#if defined(__MNO_RED_ZONE__) && defined(__GNUC__) && !defined(__STRICT_ANSI__)
asm volatile("call\t__syscall__"
: "=a"(ax), "=d"(dx)
: "0"(__NR_write), "D"(fd), "S"(data), "1"(size)
: "memory", "cc");
#else
ax = syscall(__NR_write, fd, data, size);
#endif
return ax;
}
forceinline long __sysv_mprotect(void *addr, size_t size, long prot) {
long ax, dx;
#if defined(__MNO_RED_ZONE__) && defined(__GNUC__) && !defined(__STRICT_ANSI__)
asm volatile("call\t__syscall__"
: "=a"(ax), "=d"(dx)
: "0"(__NR_mprotect), "D"(addr), "S"(size), "1"(prot)
: "memory", "cc");
#else
ax = syscall(__NR_mprotect, addr, size, prot);
#endif
return ax;
}
forceinline int __sysv_getpid(void) {
long ax;
#if defined(__MNO_RED_ZONE__) && defined(__GNUC__) && !defined(__STRICT_ANSI__)
asm volatile("call\t__syscall__"
: "=a"(ax)
: "0"(__NR_getpid)
: "rdx", "memory", "cc");
#else
ax = syscall(__NR_getpid);
#endif
return ax;
}
@ -122,17 +154,32 @@ forceinline char *__stpcpy(char *d, const char *s) {
}
forceinline void *__repstosb(void *di, char al, size_t cx) {
#if defined(__x86__) && defined(__GNUC__) && !defined(__STRICT_ANSI__)
asm("rep stosb"
: "=D"(di), "=c"(cx), "=m"(*(char(*)[cx])di)
: "0"(di), "1"(cx), "a"(al));
return di;
#else
size_t i;
volatile char *volatile d = di;
while (cx--) *d++ = al;
return d;
#endif
}
forceinline void *__repmovsb(void *di, void *si, size_t cx) {
#if defined(__x86__) && defined(__GNUC__) && !defined(__STRICT_ANSI__)
asm("rep movsb"
: "=D"(di), "=S"(si), "=c"(cx), "=m"(*(char(*)[cx])di)
: "0"(di), "1"(si), "2"(cx), "m"(*(char(*)[cx])si));
return di;
#else
size_t i;
volatile char *volatile d = di;
volatile char *volatile s = si;
while (cx--) *d++ = *s++;
return d;
#endif
}
forceinline void *__mempcpy(void *d, const void *s, size_t n) {