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#include <stdio.h>
#include "symbol.h"
#include "target.h"
#include "machine.h"
struct symbol *size_t_ctype = &ulong_ctype;
struct symbol *ssize_t_ctype = &long_ctype;
struct symbol *intmax_ctype = &long_ctype;
struct symbol *uintmax_ctype = &ulong_ctype;
struct symbol *int64_ctype = &long_ctype;
struct symbol *uint64_ctype = &ulong_ctype;
struct symbol *int32_ctype = &int_ctype;
struct symbol *uint32_ctype = &uint_ctype;
struct symbol *wchar_ctype = &int_ctype;
struct symbol *wint_ctype = &uint_ctype;
/*
* For "__attribute__((aligned))"
*/
int max_alignment = 16;
/*
* Integer data types
*/
int bits_in_bool = 1;
int bits_in_char = 8;
int bits_in_short = 16;
int bits_in_int = 32;
int bits_in_long = 64;
int bits_in_longlong = 64;
int bits_in_longlonglong = 128;
int max_int_alignment = 8;
/*
* Floating point data types
*/
int bits_in_float = 32;
int bits_in_double = 64;
int bits_in_longdouble = 128;
int max_fp_alignment = 16;
/*
* Pointer data type
*/
int bits_in_pointer = 64;
int pointer_alignment = 8;
/*
* Enum data types
*/
int bits_in_enum = 32;
int enum_alignment = 4;
static const struct target *targets[] = {
[MACH_ARM] = &target_arm,
[MACH_ARM64] = &target_arm64,
[MACH_I386] = &target_i386,
[MACH_X86_64] = &target_x86_64,
[MACH_MIPS32] = &target_mips32,
[MACH_MIPS64] = &target_mips64,
[MACH_PPC32] = &target_ppc32,
[MACH_PPC64] = &target_ppc64,
[MACH_RISCV32] = &target_riscv32,
[MACH_RISCV64] = &target_riscv64,
[MACH_S390] = &target_s390,
[MACH_S390X] = &target_s390x,
[MACH_SPARC32] = &target_sparc32,
[MACH_SPARC64] = &target_sparc64,
[MACH_M68K] = &target_m68k,
[MACH_UNKNOWN] = &target_default,
};
const struct target *arch_target = &target_default;
void target_config(enum machine mach)
{
const struct target *target = targets[mach];
arch_target = target;
arch_mach = target->mach;
arch_m64 = target->bitness;
arch_big_endian = target->big_endian;
funsigned_char = target->unsigned_char;
}
void target_init(void)
{
const struct target *target = arch_target;
switch (arch_m64) {
case ARCH_LP32:
max_int_alignment = 4;
/* fallthrough */
case ARCH_X32:
bits_in_long = 32;
bits_in_pointer = 32;
pointer_alignment = 4;
size_t_ctype = &uint_ctype;
ssize_t_ctype = &int_ctype;
int64_ctype = &llong_ctype;
uint64_ctype = &ullong_ctype;
intmax_ctype = &llong_ctype;
uintmax_ctype = &ullong_ctype;
if (target->target_32bit)
target = target->target_32bit;
break;
case ARCH_LLP64:
bits_in_long = 32;
size_t_ctype = &ullong_ctype;
ssize_t_ctype = &llong_ctype;
int64_ctype = &llong_ctype;
uint64_ctype = &ullong_ctype;
intmax_ctype = &llong_ctype;
uintmax_ctype = &ullong_ctype;
/* fallthrough */
case ARCH_LP64:
if (target->target_64bit)
target = target->target_64bit;
break;
}
arch_target = target;
arch_mach = target->mach;
if (target->wchar)
wchar_ctype = target->wchar;
if (target->wint)
wint_ctype = target->wint;
if (target->bits_in_longdouble)
bits_in_longdouble = target->bits_in_longdouble;
if (target->max_fp_alignment)
max_fp_alignment = target->max_fp_alignment;
if (target->init)
target->init(target);
}
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