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Fixup and polish chibicc some more

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Fixes #433
This commit is contained in:
Justine Tunney 2022-06-20 04:32:25 -07:00
parent a988896048
commit f317a47cd8
15 changed files with 315 additions and 253 deletions
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2
libc/calls/clock_gettime.c
View file

@ -20,7 +20,7 @@
#include "libc/bits/asmflag.h"
#include "libc/bits/bits.h"
#include "libc/calls/asan.internal.h"
#include "libc/calls/clock_gettime.h"
#include "libc/calls/clock_gettime.internal.h"
#include "libc/calls/internal.h"
#include "libc/calls/state.internal.h"
#include "libc/calls/strace.internal.h"

4
libc/calls/clock_gettime.h → libc/calls/clock_gettime.internal.h
View file

@ -7,8 +7,8 @@ COSMOPOLITAN_C_START_
typedef int clock_gettime_f(int, struct timespec *);
extern clock_gettime_f *__clock_gettime;
hidden clock_gettime_f __clock_gettime_init;
hidden clock_gettime_f *__clock_gettime_get(bool *);
clock_gettime_f *__clock_gettime_get(bool *) hidden;
int __clock_gettime_init(int, struct timespec *) hidden;
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */

2
libc/calls/now.c
View file

@ -20,7 +20,7 @@
#include "libc/bits/initializer.internal.h"
#include "libc/bits/safemacros.internal.h"
#include "libc/calls/calls.h"
#include "libc/calls/clock_gettime.h"
#include "libc/calls/clock_gettime.internal.h"
#include "libc/calls/internal.h"
#include "libc/calls/state.internal.h"
#include "libc/calls/strace.internal.h"

18
libc/fmt/conv.h
View file

@ -50,14 +50,18 @@ int64_t TimeValToWindowsTime(struct timeval) libcesque nosideeffect;
struct timeval WindowsDurationToTimeVal(int64_t) libcesque nosideeffect;
struct timespec WindowsDurationToTimeSpec(int64_t) libcesque nosideeffect;
static inline struct NtFileTime MakeFileTime(int64_t x) {
return (struct NtFileTime){(uint32_t)x, (uint32_t)(x >> 32)};
}
#define MakeFileTime(x) \
({ \
int64_t __x = x; \
(struct NtFileTime){(uint32_t)__x, (uint32_t)(__x >> 32)}; \
})
static inline int64_t ReadFileTime(struct NtFileTime t) {
uint64_t x = t.dwHighDateTime;
return x << 32 | t.dwLowDateTime;
}
#define ReadFileTime(t) \
({ \
struct NtFileTime __t = t; \
uint64_t x = __t.dwHighDateTime; \
(int64_t)(x << 32 | __t.dwLowDateTime); \
})
#define FileTimeToTimeSpec(x) WindowsTimeToTimeSpec(ReadFileTime(x))
#define FileTimeToTimeVal(x) WindowsTimeToTimeVal(ReadFileTime(x))

15
libc/nt/version.h
View file

@ -9,13 +9,14 @@ bool32 GetVersionEx(struct NtOsVersionInfo *lpVersionInformation);
#if defined(__GCC_ASM_FLAG_OUTPUTS__) && !defined(__STRICT_ANSI__)
#define IsAtLeastWindows10() (GetNtMajorVersion() >= 10)
static pureconst inline unsigned char GetNtMajorVersion(void) {
uintptr_t _x;
asm("mov\t%%gs:96,%q0\r\n"
"mov\t280(%q0),%b0"
: "=q"(_x));
return _x;
}
#define GetNtMajorVersion() \
({ \
uintptr_t __x; \
asm("mov\t%%gs:96,%q0\r\n" \
"mov\t280(%q0),%b0" \
: "=q"(__x)); \
(unsigned char)__x; \
})
#endif
COSMOPOLITAN_C_END_

17
libc/str/slice.h
View file

@ -4,14 +4,17 @@
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
forceinline bool SlicesEqual(const char *a, size_t n, const char *b, size_t m) {
return n == m && !memcmp(a, b, n);
}
#define SlicesEqual(a, n, b, m) \
({ \
size_t __n = (n); \
__n == (m) && !memcmp(a, b, __n); \
})
forceinline bool SlicesEqualCase(const void *a, size_t n, const void *b,
size_t m) {
return n == m && !memcasecmp(a, b, n);
}
#define SlicesEqualCase(a, n, b, m) \
({ \
size_t __n = (n); \
__n == (m) && !memcasecmp(a, b, __n); \
})
int CompareSlices(const char *, size_t, const char *, size_t);
int CompareSlicesCase(const char *, size_t, const char *, size_t);

9
libc/tinymath/emod.h
View file

@ -9,9 +9,12 @@
* @return (𝑥 mod 𝑦) ∈ [0.,𝑦)
* @see fmod()
*/
static inline double emod(double x, double y) {
return x - fabs(y) * floor(x / fabs(y));
}
#define emod(x, y) \
({ \
double __x = x; \
double __y = y; \
__x - fabs(__y) * floor(__x / fabs(__y)); \
})
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_TINYMATH_EMOD_H_ */

9
libc/tinymath/emodl.h
View file

@ -9,9 +9,12 @@
* @return (𝑥 mod 𝑦) ∈ [0.,𝑦)
* @see fmodl()
*/
static inline long double emodl(long double x, long double y) {
return x - fabsl(y) * floorl(x / fabsl(y));
}
#define emodl(x, y) \
({ \
long double __x = x; \
long double __y = y; \
__x - fabsl(__y) * floorl(__x / fabsl(__y)); \
})
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_TINYMATH_EMODL_H_ */