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TinyC upgrade (#6593)

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This commit is contained in:
Dmitry Atamanov
2017-10-28 10:25:56 +03:00
committed by Andreas Rumpf
parent 9c00f6decd
commit d2c7d391c8
395 changed files with 68184 additions and 32394 deletions
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84
tinyc/include/stdarg.h
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@@ -2,10 +2,11 @@
#define _STDARG_H
#ifdef __x86_64__
#include <stdlib.h>
#ifndef _WIN64
//This should be in sync with the declaration on our lib/libtcc1.c
/* GCC compatible definition of va_list. */
struct __va_list_struct {
typedef struct {
unsigned int gp_offset;
unsigned int fp_offset;
union {
@@ -13,51 +14,62 @@ struct __va_list_struct {
char *overflow_arg_area;
};
char *reg_save_area;
};
} __va_list_struct;
typedef struct __va_list_struct *va_list;
typedef __va_list_struct va_list[1];
/* we use __builtin_(malloc|free) to avoid #define malloc tcc_malloc */
/* XXX: this lacks the support of aggregated types. */
#define va_start(ap, last) \
(ap = (va_list)__builtin_malloc(sizeof(struct __va_list_struct)), \
*ap = *(struct __va_list_struct*)( \
(char*)__builtin_frame_address(0) - 16), \
ap->overflow_arg_area = ((char *)__builtin_frame_address(0) + \
ap->overflow_offset), \
ap->reg_save_area = (char *)__builtin_frame_address(0) - 176 - 16 \
)
#define va_arg(ap, type) \
(*(type*)(__builtin_types_compatible_p(type, long double) \
? (ap->overflow_arg_area += 16, \
ap->overflow_arg_area - 16) \
: __builtin_types_compatible_p(type, double) \
? (ap->fp_offset < 128 + 48 \
? (ap->fp_offset += 16, \
ap->reg_save_area + ap->fp_offset - 16) \
: (ap->overflow_arg_area += 8, \
ap->overflow_arg_area - 8)) \
: (ap->gp_offset < 48 \
? (ap->gp_offset += 8, \
ap->reg_save_area + ap->gp_offset - 8) \
: (ap->overflow_arg_area += 8, \
ap->overflow_arg_area - 8)) \
))
#define va_copy(dest, src) \
((dest) = (va_list)malloc(sizeof(struct __va_list_struct)), \
*(dest) = *(src))
#define va_end(ap) __builtin_free(ap)
void __va_start(__va_list_struct *ap, void *fp);
void *__va_arg(__va_list_struct *ap, int arg_type, int size, int align);
#else
#define va_start(ap, last) __va_start(ap, __builtin_frame_address(0))
#define va_arg(ap, type) \
(*(type *)(__va_arg(ap, __builtin_va_arg_types(type), sizeof(type), __alignof__(type))))
#define va_copy(dest, src) (*(dest) = *(src))
#define va_end(ap)
/* avoid conflicting definition for va_list on Macs. */
#define _VA_LIST_T
#else /* _WIN64 */
typedef char *va_list;
#define va_start(ap,last) __builtin_va_start(ap,last)
#define va_arg(ap, t) ((sizeof(t) > 8 || (sizeof(t) & (sizeof(t) - 1))) \
? **(t **)((ap += 8) - 8) : *(t *)((ap += 8) - 8))
#define va_copy(dest, src) ((dest) = (src))
#define va_end(ap)
#endif
#elif __arm__
typedef char *va_list;
#define _tcc_alignof(type) ((int)&((struct {char c;type x;} *)0)->x)
#define _tcc_align(addr,type) (((unsigned)addr + _tcc_alignof(type) - 1) \
& ~(_tcc_alignof(type) - 1))
#define va_start(ap,last) ap = ((char *)&(last)) + ((sizeof(last)+3)&~3)
#define va_arg(ap,type) (ap = (void *) ((_tcc_align(ap,type)+sizeof(type)+3) \
&~3), *(type *)(ap - ((sizeof(type)+3)&~3)))
#define va_copy(dest, src) (dest) = (src)
#define va_end(ap)
#elif defined(__aarch64__)
typedef struct {
void *__stack;
void *__gr_top;
void *__vr_top;
int __gr_offs;
int __vr_offs;
} va_list;
#define va_start(ap, last) __va_start(ap, last)
#define va_arg(ap, type) __va_arg(ap, type)
#define va_end(ap)
#define va_copy(dest, src) ((dest) = (src))
#else /* __i386__ */
typedef char *va_list;
/* only correct for i386 */
#define va_start(ap,last) ap = ((char *)&(last)) + ((sizeof(last)+3)&~3)
#define va_arg(ap,type) (ap += (sizeof(type)+3)&~3, *(type *)(ap - ((sizeof(type)+3)&~3)))
#define va_copy(dest, src) (dest) = (src)
#define va_end(ap)
#endif
/* fix a buggy dependency on GCC in libio.h */