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Add chibicc
Add chibicc
This program popped up on Hacker News recently. It's the only modern compiler I've ever seen that doesn't have dependencies and is easily modified. So I added all of the missing GNU extensions I like to use which means it might be possible soon to build on non-Linux and have third party not vendor gcc binaries.main
Justine Tunney
1 year ago
298 changed files with 19484 additions and 11941 deletions
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8Makefile
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2ape/lib/apm.h
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4ape/lib/pc.h
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2build/config.mk
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2dsp/mpeg/mp2.c
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8dsp/mpeg/mpeg.h
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1dsp/scale/gyarados.c
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12dsp/tty/ttyraster.c
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2examples/cp.c
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2examples/examples.mk
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13examples/invtsc.c
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2examples/nesemu1.cc
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34examples/now.c
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30examples/unbourne.c
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2libc/assert.h
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2libc/bits/atomic.h
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6libc/bits/avxintrin.internal.h
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8libc/bits/emmintrin.internal.h
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4libc/bits/xmmintrin.internal.h
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19libc/calls/fileexists.c
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2libc/calls/fstat-nt.c
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4libc/calls/internal.h
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2libc/calls/isatty.c
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2libc/calls/struct/sigaction.h
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2libc/calls/struct/siginfo.h
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6libc/calls/xnutrampoline.c
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2libc/conv/conv.h
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2libc/conv/imaxabs.c
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15libc/conv/imaxabs.thunk.S
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12libc/conv/strtoimax.c
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6libc/crypto/rijndael.h
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15libc/fmt/pflink.h
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42libc/integral/c.inc
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57libc/integral/lp64arg.inc
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2libc/intrin/macros.h
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12libc/isystem/pthread.h
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8libc/isystem/windows.h
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2libc/linux/exit.h
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8libc/log/asan.c
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20libc/log/bsd.h
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16libc/log/check.h
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2libc/log/die.c
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2libc/log/err.c
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2libc/log/errx.c
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12libc/log/log.h
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8libc/log/oncrash.c
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8libc/log/ubsan.internal.h
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2libc/log/verr.c
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2libc/log/verrx.c
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2libc/nexgen32e/bsf.h
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2libc/nexgen32e/bsr.h
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24libc/nexgen32e/cescapec.S
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16libc/nexgen32e/ctz.c
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2libc/nexgen32e/ffs.S
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2libc/nexgen32e/ffsl.S
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64libc/nexgen32e/khalfcache3.S
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2libc/nexgen32e/loadxmm.S
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2libc/nexgen32e/memcpy.S
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2libc/nexgen32e/savexmm.S
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17libc/nexgen32e/strstr-sse42.S
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2libc/nt/runtime.h
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4libc/nt/struct/context.h
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2libc/nt/thread.h
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2libc/runtime/gc.h
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8libc/runtime/internal.h
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2libc/runtime/interruptiblecall.c
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2libc/runtime/print.greg.c
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64libc/runtime/runtime.h
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51libc/runtime/valist.c
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17libc/runtime/valist.h
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2libc/runtime/winmain.greg.c
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2libc/stdio/g_stderr.c
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2libc/stdio/g_stdin.c
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2libc/stdio/g_stdout.c
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4libc/stdio/mkstemp.c
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24libc/str/endswith16.c
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24libc/str/startswith16.c
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9libc/str/str.h
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24libc/str/strncpy.thunk.S
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2libc/str/strpbrk.c
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26libc/str/strpbrk16.c
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2libc/str/strspn.c
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22libc/str/strspn16.c
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29libc/str/strstr.c
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24libc/str/wcsendswith.c
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26libc/str/wcspbrk.c
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22libc/str/wcsspn.c
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24libc/str/wcsstartswith.c
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4libc/testlib/benchrunner.c
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7libc/testlib/formatfloat.c
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2libc/testlib/testlib.h
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2libc/testlib/testlib.mk
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2libc/testlib/testrunner.c
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4libc/x/x.h
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2libc/x/x.mk
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11libc/x/xdtoa.c
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88test/dsp/core/dct_test.c
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12test/dsp/core/illumination_test.c
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6test/dsp/core/inv3_test.c
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8test/dsp/tty/windex_test.c
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#if 0 |
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/*─────────────────────────────────────────────────────────────────╗ |
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│ To the extent possible under law, Justine Tunney has waived │ |
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│ all copyright and related or neighboring rights to this file, │ |
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│ as it is written in the following disclaimers: │ |
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│ • http://unlicense.org/ │ |
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│ • http://creativecommons.org/publicdomain/zero/1.0/ │ |
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╚─────────────────────────────────────────────────────────────────*/ |
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#endif |
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#include "libc/bits/bits.h" |
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#include "libc/bits/safemacros.internal.h" |
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#include "libc/calls/calls.h" |
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#include "libc/dce.h" |
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#include "libc/stdio/stdio.h" |
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#include "libc/sysv/consts/clock.h" |
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#include "libc/time/time.h" |
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#include "third_party/dtoa/dtoa.h" |
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char dtoabuf_[3][32]; |
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static long double avg; |
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int main(int argc, char *argv[]) { |
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long double t2, t1 = nowl(); |
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dsleep(0.3); |
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for (;;) { |
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t2 = nowl(); |
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printf("%s %s avg=%s\n", g_fmt(dtoabuf_[0], t2), |
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g_fmt(dtoabuf_[1], t2 - t1), g_fmt(dtoabuf_[2], avg)); |
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t1 = t2; |
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dsleep(0.3); |
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} |
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return 0; |
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} |
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@ -1,50 +1,17 @@ |
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typedef struct { |
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unsigned int gp_offset; |
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unsigned int fp_offset; |
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void *overflow_arg_area; |
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void *reg_save_area; |
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} __va_elem; |
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#include "libc/runtime/valist.h" |
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typedef __va_elem va_list[1]; |
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#define __GNUC_VA_LIST 1 |
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#define __gnuc_va_list va_list |
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#define va_start(ap, last) \ |
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do { \ |
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*(ap) = *(__va_elem *)__va_area__; \ |
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#define va_end(AP) |
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#define va_copy(DST, SRC) ((DST)[0] = (SRC)[0]) |
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#define va_start(AP, LAST) \ |
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do { \ |
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*(AP) = *(struct __va *)__va_area__; \ |
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} while (0) |
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#define va_end(ap) |
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static inline void *__va_arg_mem(__va_elem *ap, int sz, int align) { |
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void *p = ap->overflow_arg_area; |
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if (align > 8) p = (void *)(((unsigned long)p + 15) / 16 * 16); |
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ap->overflow_arg_area = (void *)(((unsigned long)p + sz + 7) / 8 * 8); |
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return p; |
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} |
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static inline void *__va_arg_gp(__va_elem *ap, int sz, int align) { |
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if (ap->gp_offset >= 48) return __va_arg_mem(ap, sz, align); |
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void *r = ap->reg_save_area + ap->gp_offset; |
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ap->gp_offset += 8; |
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return r; |
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} |
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static inline void *__va_arg_fp(__va_elem *ap, int sz, int align) { |
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if (ap->fp_offset >= 112) return __va_arg_mem(ap, sz, align); |
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void *r = ap->reg_save_area + ap->fp_offset; |
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ap->fp_offset += 8; |
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return r; |
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} |
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#define va_arg(AP, TYPE) \ |
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(*(TYPE *)__va_arg(AP, sizeof(TYPE), _Alignof(TYPE), \ |
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__builtin_reg_class(TYPE))) |
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#define va_arg(ap, ty) \ |
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({ \ |
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int klass = __builtin_reg_class(ty); \ |
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*(ty *)(klass == 0 \ |
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? __va_arg_gp(ap, sizeof(ty), _Alignof(ty)) \ |
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: klass == 1 ? __va_arg_fp(ap, sizeof(ty), _Alignof(ty)) \ |
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: __va_arg_mem(ap, sizeof(ty), _Alignof(ty))); \ |
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}) |
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#define va_copy(dest, src) ((dest)[0] = (src)[0]) |
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#define __GNUC_VA_LIST 1 |
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typedef va_list __gnuc_va_list; |
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typedef struct __va va_list[1]; |
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