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Improve dlopen() on Apple Silicon

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- Introduce MAP_JIT which is zero on other platforms
- Invent __jit_begin() and __jit_end() which wrap Apple's APIs
- Runtime dispatch to sys_icache_invalidate() in __clear_cache()
This commit is contained in:
Justine Tunney 2023-11-17 02:33:14 -08:00
parent 7a9e176ecf
commit 529cb4817c
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GPG key ID: BE714B4575D6E328
20 changed files with 120 additions and 117 deletions
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3
ape/ape-m1.c
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@ -36,7 +36,7 @@
#define pagesz 16384
#define SYSLIB_MAGIC ('s' | 'l' << 8 | 'i' << 16 | 'b' << 24)
#define SYSLIB_VERSION 7
#define SYSLIB_VERSION 8
struct Syslib {
int magic;
@ -891,6 +891,7 @@ int main(int argc, char **argv, char **envp) {
M->lib.pthread_jit_write_protect_supported_np =
pthread_jit_write_protect_supported_np;
M->lib.pthread_jit_write_protect_np = pthread_jit_write_protect_np_workaround;
M->lib.sys_icache_invalidate = sys_icache_invalidate;
M->lib.pthread_create = pthread_create;
M->lib.pthread_exit = pthread_exit;
M->lib.pthread_kill = pthread_kill;