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Introduce native support for MacOS ARM64

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There's a new program named ape/ape-m1.c which will be used to build an
embeddable binary that can load ape and elf executables. The support is
mostly working so far, but still chasing down ABI issues.
This commit is contained in:
Justine Tunney 2023-05-18 19:05:08 -07:00
parent b852650c08
commit 1422e96b4e
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GPG key ID: BE714B4575D6E328
757 changed files with 2988 additions and 1321 deletions
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11
libc/intrin/kprintf.greg.c
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@ -130,11 +130,13 @@ privileged static inline bool kiskernelpointer(const void *p) {
}
privileged static inline bool kistextpointer(const void *p) {
return _base <= (const unsigned char *)p && (const unsigned char *)p < _etext;
return __executable_start <= (const unsigned char *)p &&
(const unsigned char *)p < _etext;
}
privileged static inline bool kisimagepointer(const void *p) {
return _base <= (const unsigned char *)p && (const unsigned char *)p < _end;
return __executable_start <= (const unsigned char *)p &&
(const unsigned char *)p < _end;
}
privileged static inline bool kischarmisaligned(const char *p, signed char t) {
@ -224,11 +226,12 @@ privileged static void klog(const char *b, size_t n) {
register long r0 asm("x0") = (long)2;
register long r1 asm("x1") = (long)b;
register long r2 asm("x2") = (long)n;
register long r8 asm("x8") = (long)__NR_write;
register long r8 asm("x8") = (long)__NR_write & 0x7ff;
register long r16 asm("x16") = (long)__NR_write & 0x7ff;
register long res_x0 asm("x0");
asm volatile("svc\t0"
: "=r"(res_x0)
: "r"(r0), "r"(r1), "r"(r2), "r"(r8)
: "r"(r0), "r"(r1), "r"(r2), "r"(r8), "r"(r16)
: "memory");
#else
#error "unsupported architecture"