diff options
| author | Bradley Morgan <brads@mainlining.org> | 2026-10-04 10:42:10 +0000 |
|---|---|---|
| committer | Bradley Morgan <brads@mainlining.org> | 2026-10-04 10:46:46 +0000 |
| commit | 5ff54a875642962fc857cee00bde17f9a465f1fa (patch) | |
| tree | b265a12d538167c3bbb86b24118a7ad7a062fc74 /include/compiler.h | |
holy shit it's here, Tashaboot, based from arm arm, enjoy
reading this masterpiece
Signed-off-by: Bradley Morgan <brads@mainlining.org>
Diffstat (limited to 'include/compiler.h')
| -rw-r--r-- | include/compiler.h | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/include/compiler.h b/include/compiler.h new file mode 100644 index 0000000..e659047 --- /dev/null +++ b/include/compiler.h @@ -0,0 +1,133 @@ +/* + * Copyright (c) 2008 Travis Geiselbrecht + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files + * (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, sublicense, and/or sell copies of the Software, + * and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY + * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ +#ifndef __COMPILER_H +#define __COMPILER_H + +#ifndef __ASSEMBLY__ + +#if __GNUC__ +#define likely(x) __builtin_expect(!!(x), 1) +#define unlikely(x) __builtin_expect(!!(x), 0) +#define __USED __attribute__((__used__)) +#define __UNUSED __attribute__((__unused__)) +#define __PACKED __attribute__((packed)) +#define __ALIGNED(x) __attribute__((aligned(x))) +#define __PRINTFLIKE(__fmt,__varargs) __attribute__((__format__ (__printf__, __fmt, __varargs))) +#define __SCANFLIKE(__fmt,__varargs) __attribute__((__format__ (__scanf__, __fmt, __varargs))) +#define __SECTION(x) __attribute((section(x))) +#define __PURE __attribute((pure)) +#define __CONST __attribute((const)) +#define __NO_RETURN __attribute__((noreturn)) +#define __MALLOC __attribute__((malloc)) +#define __WEAK __attribute__((weak)) +#define __GNU_INLINE __attribute__((gnu_inline)) +#define __GET_CALLER(x) __builtin_return_address(0) +#define __GET_FRAME(x) __builtin_frame_address(0) + +#define INCBIN(symname, sizename, filename, section) \ + __asm__ (".section " section "; .align 4; .globl "#symname); \ + __asm__ (""#symname ":\n.incbin \"" filename "\""); \ + __asm__ (".section " section "; .align 1;"); \ + __asm__ (""#symname "_end:"); \ + __asm__ (".section " section "; .align 4; .globl "#sizename); \ + __asm__ (""#sizename ": .long "#symname "_end - "#symname " - 1"); \ + extern unsigned char symname[]; \ + extern unsigned int sizename + +#define INCFILE(symname, sizename, filename) INCBIN(symname, sizename, filename, ".rodata") + +/* look for gcc 3.0 and above */ +#if (__GNUC__ > 3) || (__GNUC__ == 3 && __GNUC_MINOR__ >= 0) +#define __ALWAYS_INLINE __attribute__((always_inline)) +#else +#define __ALWAYS_INLINE +#endif + +/* look for gcc 3.1 and above */ +#if !defined(__DEPRECATED) // seems to be built in in some versions of the compiler +#if (__GNUC__ > 3) || (__GNUC__ == 3 && __GNUC_MINOR__ >= 1) +#define __DEPRECATED __attribute((deprecated)) +#else +#define __DEPRECATED +#endif +#endif + +/* look for gcc 3.3 and above */ +#if (__GNUC__ > 3) || (__GNUC__ == 3 && __GNUC_MINOR__ >= 3) +/* the may_alias attribute was introduced in gcc 3.3; before that, there + * was no way to specify aliasiang rules on a type-by-type basis */ +#define __MAY_ALIAS __attribute__((may_alias)) + +/* nonnull was added in gcc 3.3 as well */ +#define __NONNULL(x) __attribute((nonnull x)) +#else +#define __MAY_ALIAS +#define __NONNULL(x) +#endif + +/* look for gcc 3.4 and above */ +#if (__GNUC__ > 3) || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4) +#define __WARN_UNUSED_RESULT __attribute((warn_unused_result)) +#else +#define __WARN_UNUSED_RESULT +#endif + +#if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 1) +#define __EXTERNALLY_VISIBLE __attribute__((externally_visible)) +#else +#define __EXTERNALLY_VISIBLE +#endif + +#else + +#define likely(x) (x) +#define unlikely(x) (x) +#define __USED +#define __UNUSED +#define __PACKED +#define __ALIGNED(x) +#define __PRINTFLIKE(__fmt,__varargs) +#define __SCANFLIKE(__fmt,__varargs) +#define __SECTION(x) +#define __PURE +#define __CONST +#define __NONNULL(x) +#define __DEPRECATED +#define __WARN_UNUSED_RESULT +#define __ALWAYS_INLINE +#define __MAY_ALIAS +#define __NO_RETURN +#endif + +#endif + +/* TODO: add type check */ +#define countof(a) (sizeof(a) / sizeof((a)[0])) + +#define IS_ENABLED(define) _IS_ENABLED(define) +#define _comma_if_enabled_1 , +#define _IS_ENABLED(value) __IS_ENABLED(_comma_if_enabled_##value) +#define __IS_ENABLED(comma) ___IS_ENABLED(comma 1, 0) +#define ___IS_ENABLED(_, enabled, ...) enabled + +#endif |
