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Get codebase completely working with LLVM

Browse source 
You can now build Cosmopolitan with Clang:

    make -j8 MODE=llvm
    o/llvm/examples/hello.com

The assembler and linker code is now friendly to LLVM too.
So it's not needed to configure Clang to use binutils under
the hood. If you love LLVM then you can now use pure LLVM.
This commit is contained in:
Justine Tunney 2021-02-08 09:19:00 -08:00
parent 0e36cb3ac4
commit e75ffde09e
4528 changed files with 7776 additions and 11640 deletions
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57
libc/integral/c.inc
View file

@ -67,22 +67,6 @@
} while (0)
#endif
#if __STDC_VERSION__ + 0 < 201112
#define ____Static_assert(x, y) A##B
#define ___Static_assert(x, y) ____Static_assert(x, y)
#ifndef __cplusplus /* todo jart what */
#define __Static_assert(x) __builtin_choose_expr(__builtin_constant_p(x), x, 1)
#else
#define __Static_assert(x) (x)
#endif
#define _Static_assert(x, s) /* clang-format off */ do { \
__builtin_assume(x); \
enum { ___Static_assert(_Assert, __COUNTER__) = \
1 / !!__Static_assert(x) \
} /*_Unused*/; /* clang-format on */ \
} while (0)
#endif
#if __STDC_VERSION__ + 0 < 201112 && defined(__x86__)
#define _Atomic(TYPE) TYPE
#endif
@ -652,7 +636,7 @@ typedef uint64_t uintmax_t;
#endif
#ifndef _Section
#ifndef __STRICT_ANSI__
#if !defined(__STRICT_ANSI__) && !defined(__APPLE__)
#define _Section(s) __attribute__((__section__(s)))
#else
#define _Section(s)
@ -667,16 +651,17 @@ typedef uint64_t uintmax_t;
#ifndef __STRICT_ANSI__
#if defined(__GNUC__) || defined(__llvm__)
#pragma GCC diagnostic ignored "-Wsign-compare" /* lint needs to change */
#pragma GCC diagnostic ignored "-Wtype-limits" /* makes macros unsafe */
#pragma GCC diagnostic ignored "-Woverflow" /* also breaks macros */
#pragma GCC diagnostic ignored "-Wformat" /* forces only gnu pf */
#pragma GCC diagnostic ignored "-Wunused-parameter" /* extreme prejudice */
#pragma GCC diagnostic ignored "-Wunused-function" /* contradicts dce! */
#pragma GCC diagnostic ignored "-Wunused-variable" /* belongs in tidy */
#pragma GCC diagnostic ignored "-Wsign-compare" /* lint needs to change */
#pragma GCC diagnostic ignored "-Wtype-limits" /* makes macros unsafe */
#pragma GCC diagnostic ignored "-Woverflow" /* also breaks macros */
#pragma GCC diagnostic ignored "-Wformat" /* forces only gnu pf */
#pragma GCC diagnostic ignored "-Wunused-parameter" /* extreme prejudice */
#pragma GCC diagnostic ignored "-Wunused-function" /* contradicts dce! */
#pragma GCC diagnostic ignored "-Wunused-variable" /* belongs in tidy */
#pragma GCC diagnostic ignored "-Wformat-extra-args" /* is also broken */
#pragma GCC diagnostic ignored "-Wparentheses" /* annoying tidy */
#pragma GCC diagnostic ignored "-Wdangling-else" /* come on tidy */
#pragma GCC diagnostic ignored "-Wparentheses" /* annoying tidy */
#pragma GCC diagnostic ignored "-Wdangling-else" /* come on tidy */
#pragma GCC diagnostic ignored "-Wformat-security" /* come on tidy */
#ifndef __cplusplus
#pragma GCC diagnostic ignored "-Wimplicit-int"
#endif /* C++ */
@ -704,8 +689,8 @@ typedef uint64_t uintmax_t;
"-Wincompatible-pointer-types-discards-qualifiers"
#pragma clang diagnostic ignored "-Wbuiltin-requires-header"
#pragma clang diagnostic ignored "-Wparentheses-equality" /*-save-temps*/
#pragma clang diagnostic ignored "-Wunused-value" /*({-save-temps})*/
#pragma clang diagnostic ignored "-Wstring-plus-int" /* special ed */
#pragma clang diagnostic ignored "-Wunused-value" /*({-save-temps})*/
#pragma clang diagnostic ignored "-Wstring-plus-int" /* special ed */
#pragma clang diagnostic ignored "-Wunused-value" /* extreme prejudice */
#pragma clang diagnostic ignored "-Wbuiltin-requires-header"
#pragma clang diagnostic ignored \
@ -797,22 +782,14 @@ typedef uint64_t uintmax_t;
#define EXPROPRIATE(EXPRESSION) (EXPRESSION)
#endif
#ifndef __STRICT_ANSI__
#define YOINK(SYMBOL) \
do { \
_Static_assert(!__builtin_types_compatible_p(typeof(SYMBOL), char[]), \
"Please YOINK(symbol), not YOINK(\"symbol\")"); \
asm(".section .yoink\n\t" \
"nop\t%a0\n\t" \
".previous" \
: /* no outputs */ \
: "X"(SYMBOL)); \
} while (0)
#if !defined(__STRICT_ANSI__) && !defined(__APPLE__)
#define YOINK(SYMBOL) \
asm(".section .yoink\n\tnopl\t%a0\n\t.previous" : : "X"(SYMBOL))
#else
#define YOINK(SYMBOL) (void)0
#endif
#ifndef __STRICT_ANSI__
#if !defined(__STRICT_ANSI__) && !defined(__APPLE__)
#define STATIC_YOINK(SYMBOLSTR) \
asm(".section .yoink\n\tnopl\t\"" SYMBOLSTR "\"\n\t.previous")
#else