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Include signal.h to define SIGTRAP in Stage 1 compiler (#14867)

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copy lib/zig.h to stage1/zig.h

In this case, it looks safe to backport over with no changes.

Co-authored-by: Andrew Kelley <andrew@ziglang.org>
This commit is contained in:
Lavt Niveau 2023-03-10 06:36:43 -07:00 committed by GitHub
parent 023753b469
commit 5a26d1b426
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1 changed files with 55 additions and 1 deletions
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56
stage1/zig.h
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@ -190,10 +190,17 @@ typedef char bool;
#if zig_has_builtin(trap)
#define zig_trap() __builtin_trap()
#elif _MSC_VER && (_M_IX86 || _M_X64)
#define zig_trap() __ud2()
#elif _MSC_VER
#define zig_trap() __fastfail(0)
#elif defined(__i386__) || defined(__x86_64__)
#define zig_trap() __asm__ volatile("ud2");
#elif defined(__arm__) || defined(__aarch64__)
#define zig_breakpoint() __asm__ volatile("udf #0");
#else
#define zig_trap() raise(SIGTRAP)
#include <stdlib.h>
#define zig_trap() abort()
#endif
#if zig_has_builtin(debugtrap)
@ -202,8 +209,17 @@ typedef char bool;
#define zig_breakpoint() __debugbreak()
#elif defined(__i386__) || defined(__x86_64__)
#define zig_breakpoint() __asm__ volatile("int $0x03");
#elif defined(__arm__)
#define zig_breakpoint() __asm__ volatile("bkpt #0");
#elif defined(__aarch64__)
#define zig_breakpoint() __asm__ volatile("brk #0");
#else
#include <signal.h>
#if defined(SIGTRAP)
#define zig_breakpoint() raise(SIGTRAP)
#else
#define zig_breakpoint() zig_breakpoint_unavailable
#endif
#endif
#if zig_has_builtin(return_address) || defined(zig_gnuc)
@ -2384,6 +2400,44 @@ static inline void zig_subw_big(void *res, const void *lhs, const void *rhs, boo
(void)zig_subo_big(res, lhs, rhs, is_signed, bits);
}
zig_extern void __udivei4(uint32_t *res, const uint32_t *lhs, const uint32_t *rhs, uintptr_t bits);
static inline void zig_div_trunc_big(void *res, const void *lhs, const void *rhs, bool is_signed, uint16_t bits) {
if (!is_signed) {
__udivei4(res, lhs, rhs, bits);
return;
}
zig_trap();
}
static inline void zig_div_floor_big(void *res, const void *lhs, const void *rhs, bool is_signed, uint16_t bits) {
if (!is_signed) {
zig_div_trunc_big(res, lhs, rhs, is_signed, bits);
return;
}
zig_trap();
}
zig_extern void __umodei4(uint32_t *res, const uint32_t *lhs, const uint32_t *rhs, uintptr_t bits);
static inline void zig_rem_big(void *res, const void *lhs, const void *rhs, bool is_signed, uint16_t bits) {
if (!is_signed) {
__umodei4(res, lhs, rhs, bits);
return;
}
zig_trap();
}
static inline void zig_mod_big(void *res, const void *lhs, const void *rhs, bool is_signed, uint16_t bits) {
if (!is_signed) {
zig_rem_big(res, lhs, rhs, is_signed, bits);
return;
}
zig_trap();
}
static inline uint16_t zig_clz_big(const void *val, bool is_signed, uint16_t bits) {
const uint8_t *val_bytes = val;
uint16_t byte_offset = 0;