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Pay off more technical debt

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This makes breaking changes to add underscores to many non-standard
function names provided by the c library. MODE=tiny is now tinier and
we now use smaller locks that are better for tiny apps in this mode.
Some headers have been renamed to be in the same folder as the build
package, so it'll be easier to know which build dependency is needed.
Certain old misguided interfaces have been removed. Intel intrinsics
headers are now listed in libc/isystem (but not in the amalgamation)
to help further improve open source compatibility. Header complexity
has also been reduced. Lastly, more shell scripts are now available.
This commit is contained in:
Justine Tunney 2022-09-12 23:10:38 -07:00
parent b69f3d2488
commit 6f7d0cb1c3
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GPG key ID: BE714B4575D6E328
960 changed files with 4072 additions and 4873 deletions
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32
third_party/chibicc/chibicc.c vendored
View file

@ -1,9 +1,11 @@
#include "libc/calls/calls.h"
#include "libc/calls/struct/sigaction.h"
#include "libc/calls/struct/siginfo.h"
#include "libc/calls/ucontext.h"
#include "libc/runtime/gc.internal.h"
#include "libc/mem/gc.internal.h"
#include "libc/runtime/runtime.h"
#include "libc/x/x.h"
#include "libc/sysv/consts/sig.h"
#include "libc/x/xasprintf.h"
#include "third_party/chibicc/chibicc.h"
asm(".ident\t\"\\n\\n\
@ -215,7 +217,7 @@ static void parse_args(int argc, char **argv) {
atexit(PrintMemoryUsage);
} else if (!strcmp(argv[i], "-o")) {
opt_o = argv[++i];
} else if (startswith(argv[i], "-o")) {
} else if (_startswith(argv[i], "-o")) {
opt_o = argv[i] + 2;
} else if (!strcmp(argv[i], "-S")) {
opt_S = true;
@ -239,19 +241,19 @@ static void parse_args(int argc, char **argv) {
opt_P = true;
} else if (!strcmp(argv[i], "-I")) {
strarray_push(&include_paths, argv[++i]);
} else if (startswith(argv[i], "-I")) {
} else if (_startswith(argv[i], "-I")) {
strarray_push(&include_paths, argv[i] + 2);
} else if (!strcmp(argv[i], "-iquote")) {
strarray_push(&include_paths, argv[++i]);
} else if (startswith(argv[i], "-iquote")) {
} else if (_startswith(argv[i], "-iquote")) {
strarray_push(&include_paths, argv[i] + strlen("-iquote"));
} else if (!strcmp(argv[i], "-isystem")) {
strarray_push(&include_paths, argv[++i]);
} else if (startswith(argv[i], "-isystem")) {
} else if (_startswith(argv[i], "-isystem")) {
strarray_push(&include_paths, argv[i] + strlen("-isystem"));
} else if (!strcmp(argv[i], "-D")) {
define(argv[++i]);
} else if (startswith(argv[i], "-D")) {
} else if (_startswith(argv[i], "-D")) {
define(argv[i] + 2);
} else if (!strcmp(argv[i], "-U")) {
undef_macro(argv[++i]);
@ -263,9 +265,9 @@ static void parse_args(int argc, char **argv) {
opt_x = parse_opt_x(argv[++i]);
} else if (!strncmp(argv[i], "-x", 2)) {
opt_x = parse_opt_x(argv[i] + 2);
} else if (startswith(argv[i], "-Wa")) {
} else if (_startswith(argv[i], "-Wa")) {
strarray_push_comma(&as_extra_args, argv[i] + 3);
} else if (startswith(argv[i], "-Wl")) {
} else if (_startswith(argv[i], "-Wl")) {
strarray_push_comma(&ld_extra_args, argv[i] + 3);
} else if (!strcmp(argv[i], "-Xassembler")) {
strarray_push(&as_extra_args, argv[++i]);
@ -333,7 +335,7 @@ static void parse_args(int argc, char **argv) {
} else if (!strcmp(argv[i], "-L")) {
strarray_push(&ld_extra_args, "-L");
strarray_push(&ld_extra_args, argv[++i]);
} else if (startswith(argv[i], "-L")) {
} else if (_startswith(argv[i], "-L")) {
strarray_push(&ld_extra_args, "-L");
strarray_push(&ld_extra_args, argv[i] + 2);
} else {
@ -560,11 +562,11 @@ static Token *append_tokens(Token *tok1, Token *tok2) {
static FileType get_file_type(const char *filename) {
if (opt_x != FILE_NONE) return opt_x;
if (endswith(filename, ".a")) return FILE_AR;
if (endswith(filename, ".o")) return FILE_OBJ;
if (endswith(filename, ".c")) return FILE_C;
if (endswith(filename, ".s")) return FILE_ASM;
if (endswith(filename, ".S")) return FILE_ASM_CPP;
if (_endswith(filename, ".a")) return FILE_AR;
if (_endswith(filename, ".o")) return FILE_OBJ;
if (_endswith(filename, ".c")) return FILE_C;
if (_endswith(filename, ".s")) return FILE_ASM;
if (_endswith(filename, ".S")) return FILE_ASM_CPP;
error("<command line>: unknown file extension: %s", filename);
}