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/* See LICENSE file for copyright and license details. */
#ifdef REQUIRE_FLEXABLE_OR_NPARAMS
# if defined(__clang__)
# define LIBSYSCALLS_FLEXABLE_OR_NPARAMS_
# pragma clang diagnostic ignored "-Wgnu-flexible-array-initializer"
# elif defined(__GNUC__)
# define LIBSYSCALLS_FLEXABLE_OR_NPARAMS_
# pragma GCC diagnostic ignored "-Wpedantic"
# else
# define LIBSYSCALLS_FLEXABLE_OR_NPARAMS_ NPARAMS
# warning Setting LIBSYSCALLS_FLEXABLE_OR_NPARAMS_ to NPARAMS as it is not known that the compiler supports static allocation of structs with flexible arrays
# endif
#endif
#ifdef REQUIRE_FLEXABLE_OR_NFIELDS
# if defined(__clang__)
# define LIBSYSCALLS_FLEXABLE_OR_NFIELDS_
# pragma clang diagnostic ignored "-Wgnu-flexible-array-initializer"
# elif defined(__GNUC__)
# define LIBSYSCALLS_FLEXABLE_OR_NFIELDS_
# pragma GCC diagnostic ignored "-Wpedantic"
# else
# define LIBSYSCALLS_FLEXABLE_OR_NFIELDS_ NFIELDS
# warning Setting LIBSYSCALLS_FLEXABLE_OR_NFIELDS_ to NFIELDS as it is not known that the compiler supports static allocation of structs with flexible arrays
# endif
#endif
#include "libsyscalls.h"
#include <stdalign.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#if defined(__clang__)
/* We expect the user to use -Weverything */
# pragma clang diagnostic ignored "-Wimplicit-fallthrough" /* we use GCC's fall though comments */
# pragma clang diagnostic ignored "-Wcovered-switch-default" /* the user may input something invalid due to version differences */
# pragma clang diagnostic ignored "-Wc++98-compat" /* don't care about C++, especially not for internal code */
# pragma clang diagnostic ignored "-Wgnu-zero-variadic-macro-arguments" /* TODO how does that make sense in C23? */
# pragma clang diagnostic ignored "-Wunsafe-buffer-usage" /* clang doesn't know what it is doing */
# pragma clang diagnostic ignored "-Wvla" /* we prefer VLA over alloca (easier to support), and we are careful */
#elif defined(__GNUC__)
/* We expect the user to use -Wall -Wextra mand maybe some other flags */
# pragma GCC diagnostic ignored "-Wnonnull-compare" /* why should I trust that the user is using the same compiler? */
# pragma GCC diagnostic ignored "-Winline" /* it's just a preference, up to the compiler to decide */
#endif
#if defined(__GNUC__)
# define PURE_FUNCTION __attribute__((__pure__))
#else
# define PURE_FUNCTION
#endif
#define COMMA ,
#define MISALIGNMENT(ADDR, ALIGN) ((ADDR) & ((uintptr_t)(ALIGN) - 1U))
#define ALIGNMENT_ADJUSTMENT(ADDR, ALIGN) MISALIGNMENT((ALIGN) - MISALIGNMENT((ADDR), (ALIGN)), (ALIGN))
#define ALIGN_BUF(BUF, ALIGN) (&(BUF)[(size_t)ALIGNMENT_ADJUSTMENT((uintptr_t)(char *)(BUF), (ALIGN))])
#define ELEMSOF(ARR) (sizeof(ARR) / sizeof *(ARR))
#define MAX(A, B) ((A) > (B) ? (A) : (B))
#define LOWEST_BIT(X) ((X) & ~((X) - 1))
#define POST_HIGHEST_OF_CONSECUTIVELY_BITS(X) ((X) + LOWEST_BIT((X)))
#define IS_NOT_2POW(X) ((X) & ((X) - 1))
#define SET_MASK_TRAIL(X) ((X) | ((X) - 1U))
#define USAT_MINUS(A, B) ((A) < (B) ? 0 : (A) - (B))
struct libsyscalls_symbol_printer_data {
enum libsyscalls_arch arch;
int nr;
char buf[];
};
enum endian {
Big,
Little
};
/* [------ size ------] [align] */
#define LIST_ARCH_SPECS(X, D) /* byte intptr size_t intmax endian sign */\
X(LIBSYSCALLS_ARCH_ALPHA_LE, 8, 64, 64, 64, Little, TWOS_COMPLEMENT) D\
X(LIBSYSCALLS_ARCH_ALPHA_BE, 8, 64, 64, 64, Big, TWOS_COMPLEMENT) D\
X(LIBSYSCALLS_ARCH_AMD64, 8, 64, 64, 64, Little, TWOS_COMPLEMENT) D\
X(LIBSYSCALLS_ARCH_AMD64_X32, 8, 32, 32, 64, Little, TWOS_COMPLEMENT) D\
/*
X(LIBSYSCALLS_ARCH_ARM_OABI_LE, 8, TODO, TODO, 32, Little, TWOS_COMPLEMENT) D\
X(LIBSYSCALLS_ARCH_ARM_OABI_BE, 8, TODO, TODO, 32, Big, TWOS_COMPLEMENT) D\
X(LIBSYSCALLS_ARCH_ARM_EABI_LE, 8, TODO, TODO, 64, Little, TWOS_COMPLEMENT) D\
X(LIBSYSCALLS_ARCH_ARM_EABI_BE, 8, TODO, TODO, 64, Big, TWOS_COMPLEMENT) D\
*/\
X(LIBSYSCALLS_ARCH_IA64_LE, 8, 64, 64, 64, Little, TWOS_COMPLEMENT) D\
X(LIBSYSCALLS_ARCH_IA64_BE, 8, 64, 64, 64, Big, TWOS_COMPLEMENT) D\
X(LIBSYSCALLS_ARCH_IA64_P32_LE, 8, 32, 32, 64, Little, TWOS_COMPLEMENT) D\
X(LIBSYSCALLS_ARCH_IA64_P32_BE, 8, 32, 32, 64, Big, TWOS_COMPLEMENT) D\
X(LIBSYSCALLS_ARCH_M68K, 8, 32, 32, 16, Big, TWOS_COMPLEMENT) D\
X(LIBSYSCALLS_ARCH_MICROBLAZE_32_LE, 8, 32, 32, 32, Little, TWOS_COMPLEMENT) D\
X(LIBSYSCALLS_ARCH_MICROBLAZE_32_BE, 8, 32, 32, 32, Big, TWOS_COMPLEMENT) D\
X(LIBSYSCALLS_ARCH_MICROBLAZE_64_LE, 8, 64, 64, 64, Little, TWOS_COMPLEMENT) D\
X(LIBSYSCALLS_ARCH_MICROBLAZE_64_BE, 8, 64, 64, 64, Big, TWOS_COMPLEMENT) D\
X(LIBSYSCALLS_ARCH_MIPS_O32_LE, 8, 32, 32, 64, Little, TWOS_COMPLEMENT) D\
X(LIBSYSCALLS_ARCH_MIPS_O32_BE, 8, 32, 32, 64, Big, TWOS_COMPLEMENT) D\
X(LIBSYSCALLS_ARCH_MIPS_N32_LE, 8, 32, 32, 64, Little, TWOS_COMPLEMENT) D\
X(LIBSYSCALLS_ARCH_MIPS_N32_BE, 8, 32, 32, 64, Big, TWOS_COMPLEMENT) D\
X(LIBSYSCALLS_ARCH_MIPS_N64_LE, 8, 64, 64, 64, Little, TWOS_COMPLEMENT) D\
X(LIBSYSCALLS_ARCH_MIPS_N64_BE, 8, 64, 64, 64, Big, TWOS_COMPLEMENT) D\
X(LIBSYSCALLS_ARCH_PARISC_32, 8, 32, 32, 64, Big, TWOS_COMPLEMENT) D\
X(LIBSYSCALLS_ARCH_PARISC_64, 8, 64, 64, 64, Big, TWOS_COMPLEMENT) D\
X(LIBSYSCALLS_ARCH_POWERPC_32_LE, 8, 32, 32, 64, Little, TWOS_COMPLEMENT) D\
X(LIBSYSCALLS_ARCH_POWERPC_32_BE, 8, 32, 32, 64, Big, TWOS_COMPLEMENT) D\
X(LIBSYSCALLS_ARCH_POWERPC_64_LE, 8, 64, 64, 64, Little, TWOS_COMPLEMENT) D\
X(LIBSYSCALLS_ARCH_POWERPC_64_BE, 8, 64, 64, 64, Big, TWOS_COMPLEMENT) D\
X(LIBSYSCALLS_ARCH_POWERPC_NOSPU_LE, 8, 64, 64, 64, Little, TWOS_COMPLEMENT) D\
X(LIBSYSCALLS_ARCH_POWERPC_NOSPU_BE, 8, 64, 64, 64, Big, TWOS_COMPLEMENT) D\
X(LIBSYSCALLS_ARCH_POWERPC_SPU_LE, 8, 64, 64, 64, Little, TWOS_COMPLEMENT) D\
X(LIBSYSCALLS_ARCH_POWERPC_SPU_BE, 8, 64, 64, 64, Big, TWOS_COMPLEMENT) D\
X(LIBSYSCALLS_ARCH_S390_32, 8, 32, 32, 64, Big, TWOS_COMPLEMENT) D\
X(LIBSYSCALLS_ARCH_S390_64, 8, 64, 64, 64, Big, TWOS_COMPLEMENT) D\
X(LIBSYSCALLS_ARCH_SH_LE, 8, 32, 32, 32, Little, TWOS_COMPLEMENT) D\
X(LIBSYSCALLS_ARCH_SH_BE, 8, 32, 32, 32, Big, TWOS_COMPLEMENT) D\
X(LIBSYSCALLS_ARCH_SPARC_32, 8, 32, 32, 64, Big, TWOS_COMPLEMENT) D\
X(LIBSYSCALLS_ARCH_SPARC_64_LE, 8, 64, 64, 64, Little, TWOS_COMPLEMENT) D\
X(LIBSYSCALLS_ARCH_SPARC_64_BE, 8, 64, 64, 64, Big, TWOS_COMPLEMENT) D\
X(LIBSYSCALLS_ARCH_I386, 8, 32, 32, 32, Little, TWOS_COMPLEMENT) D\
X(LIBSYSCALLS_ARCH_XTENSA_LE, 8, 32, 32, 64, Little, TWOS_COMPLEMENT) D\
X(LIBSYSCALLS_ARCH_XTENSA_BE, 8, 32, 32, 64, Big, TWOS_COMPLEMENT)
/* Don't forget to update SUPPORTED_ARCHES in Makefile */
#include "generated/oses.h"
#include "generated/arches.h"
#include "generated/lowercase.h"
#include "generated/macros.h"
#if defined(__clang__)
# pragma clang diagnostic push
# pragma clang diagnostic ignored "-Wunsafe-buffer-usage"
#endif
extern const struct libsyscalls_syscall *const *const *const libsyscalls_syscalls_tables_[];
#define X(UPPERCASE, LOWERCASE)\
extern const struct libsyscalls_syscall *const *const libsyscalls_##LOWERCASE##_syscalls_table_[];
LIST_OSES(X,)
#undef X
#if defined(__clang__)
# pragma clang diagnostic pop
#endif
#define COUNT_LIST_(...) 1
#define COUNT_LIST(LIST_MACRO) (LIST_MACRO(COUNT_LIST_,, +,))
#define COUNT_ARGS(...) (0 __VA_OPT__(+ COUNT_ARGS_1(__VA_ARGS__)))
#define COUNT_ARG_PAIRS(...) (0 __VA_OPT__(+ COUNT_ARG_PAIRS_1(__VA_ARGS__)))
/* mk/generate.mk reads these three lines, do not format them as multiline macros! */
#define COUNT_ARGS_1(x, ...) 1 __VA_OPT__(+ COUNT_ARGS_2(__VA_ARGS__))
#define COUNT_ARG_PAIRS_1(x1, x2, ...) 1 __VA_OPT__(+ COUNT_ARG_PAIRS_2(__VA_ARGS__))
#define PARAMS_BUILD_TYPES_1(x, A, ...) LIBSYSCALLS_TYPE_##A __VA_OPT__(, PARAMS_BUILD_TYPES_2(__VA_ARGS__))
#define PARAMS(...)\
.max_argument_count = COUNT_ARG_PAIRS(__VA_ARGS__),\
.in_pointer_mask = PARAMS_BUILD_MASK(IN, __VA_ARGS__),\
.out_pointer_mask = PARAMS_BUILD_MASK(OUT, __VA_ARGS__), \
.symbolic_mask = PARAMS_BUILD_MASK(SYM, __VA_ARGS__)\
__VA_OPT__(, .parameters_types = {PARAMS_BUILD_TYPES_1(__VA_ARGS__)})
#define ZERO(TYPE) TYPE, .expect_zero = 1
#define LIBSYSCALLS_TYPE_ZERO(TYPE) ZERO(LIBSYSCALLS_TYPE_##TYPE)
#define SYMB(TYPE) TYPE, .symbolic_return = 1
#define LIBSYSCALLS_TYPE_SYMB(TYPE) SYMB(LIBSYSCALLS_TYPE_##TYPE)
#define SYSCALL_ABI(OS, NAME, CATEGORY, SUBCATEGORY, MIN_ARGS, RETURN_TYPE, ...)\
static struct libsyscalls_syscall_abi OS##_syscall_##NAME = {\
.category = LIBSYSCALLS_CAT_##CATEGORY,\
.subcategory.LOWERCASE_##CATEGORY = LIBSYSCALLS_##CATEGORY##_SUBCAT_##SUBCATEGORY,\
.min_argument_count = MIN_ARGS,\
.return_type = LIBSYSCALLS_TYPE_##RETURN_TYPE,\
__VA_ARGS__\
}
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