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Make improvements

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- Introduce portable sched_getcpu() api
- Support GCC's __target_clones__ feature
- Make fma() go faster on x86 in default mode
- Remove some asan checks from core libraries
- WinMain() now ensures $HOME and $USER are defined
This commit is contained in:
Justine Tunney 2024-02-01 03:39:46 -08:00
parent d5225a693b
commit 2ab9e9f7fd
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GPG key ID: BE714B4575D6E328
192 changed files with 2809 additions and 932 deletions
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19
libc/intrin/mman.greg.c
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@ -44,14 +44,16 @@
#include "libc/runtime/runtime.h"
#ifdef __x86_64__
#define INVERT(x) (BANE + PHYSICAL(x))
#define NOPAGE ((uint64_t)-1)
#define INVERT(x) (BANE + PHYSICAL((uintptr_t)(x)))
#define NOPAGE ((uint64_t) - 1)
#define ABS64(x) \
({ \
int64_t vAddr; \
__asm__("movabs\t%1,%0" : "=r"(vAddr) : "i"(x)); \
vAddr; \
#define APE_STACK_VADDR \
({ \
int64_t vAddr; \
__asm__(".weak\tape_stack_vaddr\n\t" \
"movabs\t$ape_stack_vaddr,%0" \
: "=r"(vAddr)); \
vAddr; \
})
struct ReclaimedPage {
@ -305,7 +307,6 @@ textreal void __map_phdrs(struct mman *mm, uint64_t *pml4t, uint64_t b,
extern char ape_phdrs_end[] __attribute__((__weak__));
extern char ape_stack_pf[] __attribute__((__weak__));
extern char ape_stack_offset[] __attribute__((__weak__));
extern char ape_stack_vaddr[] __attribute__((__weak__));
extern char ape_stack_filesz[] __attribute__((__weak__));
extern char ape_stack_memsz[] __attribute__((__weak__));
__setup_mman(mm, pml4t, top);
@ -318,7 +319,7 @@ textreal void __map_phdrs(struct mman *mm, uint64_t *pml4t, uint64_t b,
.p_type = PT_LOAD,
.p_flags = (uintptr_t)ape_stack_pf,
.p_offset = (uintptr_t)ape_stack_offset,
.p_vaddr = ABS64(ape_stack_vaddr),
.p_vaddr = APE_STACK_VADDR,
.p_filesz = (uintptr_t)ape_stack_filesz,
.p_memsz = (uintptr_t)ape_stack_memsz,
});