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Make progress towards aarch64 build

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This commit is contained in:
Justine Tunney 2023-05-01 19:43:59 -07:00
parent 08ff26c817
commit ca2860947f
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GPG key ID: BE714B4575D6E328
15428 changed files with 25694 additions and 23138 deletions
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71
libc/log/libfatal.internal.h
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@ -17,6 +17,15 @@ forceinline long __sysv_exit(long rc) {
: "=a"(ax)
: "0"(__NR_exit_group), "D"(rc)
: "memory", "cc");
#elif defined(__aarch64__)
register long r0 asm("x0") = rc;
register long res_x0 asm("x0");
asm volatile("mov\tx8,%1\n"
"svc\t0"
: "=r"(res_x0)
: "i"(94), "r"(r0)
: "x8", "memory");
ax = res_x0;
#else
ax = syscall(__NR_exit_group, rc);
#endif
@ -30,6 +39,15 @@ forceinline int __sysv_close(long fd) {
: "=a"(ax)
: "0"(__NR_close), "D"(fd)
: "rdx", "memory", "cc");
#elif defined(__aarch64__)
register long r0 asm("x0") = fd;
register long res_x0 asm("x0");
asm volatile("mov\tx8,%1\n"
"svc\t0"
: "=r"(res_x0)
: "i"(57), "r"(r0)
: "x8", "memory");
ax = res_x0;
#else
ax = syscall(__NR_close, fd);
#endif
@ -43,6 +61,18 @@ forceinline int __sysv_open(const char *path, long flags, long mode) {
: "=a"(ax), "=d"(dx)
: "0"(__NR_open), "D"(path), "S"(flags), "1"(mode)
: "memory", "cc");
#elif defined(__aarch64__)
register long r0 asm("x0") = -100;
register long r1 asm("x1") = (long)path;
register long r2 asm("x2") = (long)flags;
register long r3 asm("x3") = (long)mode;
register long res_x0 asm("x0");
asm volatile("mov\tx8,%1\n"
"svc\t0"
: "=r"(res_x0)
: "i"(56), "r"(r0), "r"(r1), "r"(r2), "r"(r3)
: "x8", "memory");
ax = res_x0;
#else
ax = syscall(__NR_open, path, flags, mode);
#endif
@ -56,6 +86,17 @@ forceinline long __sysv_read(long fd, void *data, unsigned long size) {
: "=a"(ax), "=d"(dx)
: "0"(__NR_read), "D"(fd), "S"(data), "1"(size)
: "memory", "cc");
#elif defined(__aarch64__)
register long r0 asm("x0") = (long)fd;
register long r1 asm("x1") = (long)data;
register long r2 asm("x2") = (long)size;
register long res_x0 asm("x0");
asm volatile("mov\tx8,%1\n"
"svc\t0"
: "=r"(res_x0)
: "i"(63), "r"(r0), "r"(r1), "r"(r2)
: "x8", "memory");
ax = res_x0;
#else
ax = syscall(__NR_read, fd, data, size);
#endif
@ -69,6 +110,17 @@ forceinline long __sysv_write(long fd, const void *data, unsigned long size) {
: "=a"(ax), "=d"(dx)
: "0"(__NR_write), "D"(fd), "S"(data), "1"(size)
: "memory", "cc");
#elif defined(__aarch64__)
register long r0 asm("x0") = (long)fd;
register long r1 asm("x1") = (long)data;
register long r2 asm("x2") = (long)size;
register long res_x0 asm("x0");
asm volatile("mov\tx8,%1\n"
"svc\t0"
: "=r"(res_x0)
: "i"(64), "r"(r0), "r"(r1), "r"(r2)
: "x8", "memory");
ax = res_x0;
#else
ax = syscall(__NR_write, fd, data, size);
#endif
@ -82,6 +134,17 @@ forceinline long __sysv_mprotect(void *addr, size_t size, long prot) {
: "=a"(ax), "=d"(dx)
: "0"(__NR_mprotect), "D"(addr), "S"(size), "1"(prot)
: "memory", "cc");
#elif defined(__aarch64__)
register long r0 asm("x0") = (long)addr;
register long r1 asm("x1") = (long)size;
register long r2 asm("x2") = (long)prot;
register long res_x0 asm("x0");
asm volatile("mov\tx8,%1\n"
"svc\t0"
: "=r"(res_x0)
: "i"(226), "r"(r0), "r"(r1), "r"(r2)
: "x8", "memory");
ax = res_x0;
#else
ax = syscall(__NR_mprotect, addr, size, prot);
#endif
@ -95,6 +158,14 @@ forceinline int __sysv_getpid(void) {
: "=a"(ax)
: "0"(__NR_getpid)
: "rdx", "memory", "cc");
#elif defined(__aarch64__)
register long res_x0 asm("x0");
asm volatile("mov\tx8,%1\n"
"svc\t0"
: "=r"(res_x0)
: "i"(172)
: "x8", "memory");
ax = res_x0;
#else
ax = syscall(__NR_getpid);
#endif