mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-02-07 06:53:33 +00:00
Make improvements to cosmocc toolchain
This commit is contained in:
Justine Tunney
parent
8ff48201ca
commit
2676ec55de
8 changed files with 205 additions and 117 deletions
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@ -7,15 +7,66 @@
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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/mem/gc.h"
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#include "libc/stdio/stdio.h"
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#include "libc/x/xiso8601.h"
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#include "libc/calls/calls.h"
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#include "libc/calls/struct/timespec.h"
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#include "libc/str/str.h"
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#include "libc/time/struct/tm.h"
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/**
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* @fileoverview ISO-8601 international high-precision timestamp printer.
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* @fileoverview High performance ISO-8601 timestamp formatter.
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*/
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int main(int argc, char *argv[]) {
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puts(_gc(xiso8601ts(NULL)));
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return 0;
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char *GetTimestamp(void) {
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int x;
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struct timespec ts;
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_Thread_local static long last;
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_Thread_local static char s[27];
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_Thread_local static struct tm tm;
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clock_gettime(0, &ts);
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if (ts.tv_sec != last) {
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localtime_r(&ts.tv_sec, &tm);
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x = tm.tm_year + 1900;
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s[0] = '0' + x / 1000;
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s[1] = '0' + x / 100 % 10;
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s[2] = '0' + x / 10 % 10;
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s[3] = '0' + x % 10;
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s[4] = '-';
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x = tm.tm_mon + 1;
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s[5] = '0' + x / 10;
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s[6] = '0' + x % 10;
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s[7] = '-';
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x = tm.tm_mday;
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s[8] = '0' + x / 10;
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s[9] = '0' + x % 10;
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s[10] = 'T';
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x = tm.tm_hour;
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s[11] = '0' + x / 10;
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s[12] = '0' + x % 10;
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s[13] = ':';
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x = tm.tm_min;
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s[14] = '0' + x / 10;
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s[15] = '0' + x % 10;
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s[16] = ':';
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x = tm.tm_sec;
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s[17] = '0' + x / 10;
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s[18] = '0' + x % 10;
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s[19] = '.';
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s[26] = 0;
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last = ts.tv_sec;
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}
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x = ts.tv_nsec;
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s[20] = '0' + x / 100000000;
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s[21] = '0' + x / 10000000 % 10;
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s[22] = '0' + x / 1000000 % 10;
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s[23] = '0' + x / 100000 % 10;
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s[24] = '0' + x / 10000 % 10;
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s[25] = '0' + x / 1000 % 10;
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return s;
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}
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int main(int argc, char *argv[]) {
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char buf[128], *p = buf;
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p = stpcpy(p, GetTimestamp());
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p = stpcpy(p, "\n");
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write(1, buf, p - buf);
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}
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@ -23,11 +23,18 @@ void __assert_fail(const char *, const char *, int) _Hide relegated;
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({ \
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if (__builtin_expect(!(x), 0)) { \
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__assert_fail(s, __FILE__, __LINE__); \
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notpossible; \
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__builtin_trap(); \
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} \
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(void)0; \
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})
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#else
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#define _npassert(x) \
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({ \
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if (__builtin_expect(!(x), 0)) { \
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__builtin_trap(); \
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} \
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(void)0; \
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})
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#define _unassert(x) \
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({ \
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if (__builtin_expect(!(x), 0)) { \
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@ -35,13 +42,6 @@ void __assert_fail(const char *, const char *, int) _Hide relegated;
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} \
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(void)0; \
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})
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#define _npassert(x) \
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({ \
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if (__builtin_expect(!(x), 0)) { \
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notpossible; \
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} \
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(void)0; \
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})
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#endif
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COSMOPOLITAN_C_END_
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@ -16,7 +16,6 @@
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/assert.h"
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#include "libc/calls/calls.h"
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#include "libc/calls/internal.h"
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#include "libc/calls/sig.internal.h"
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@ -47,7 +46,7 @@ static textwindows ssize_t sys_write_nt_impl(int fd, void *data, size_t size,
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if (offset != -1) {
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// windows changes the file pointer even if overlapped is passed
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_npassert(SetFilePointerEx(h, 0, &p, SEEK_CUR));
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SetFilePointerEx(h, 0, &p, SEEK_CUR);
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}
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ok = WriteFile(h, data, _clampio(size), &sent,
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@ -55,7 +54,7 @@ static textwindows ssize_t sys_write_nt_impl(int fd, void *data, size_t size,
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if (offset != -1) {
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// windows clobbers file pointer even on error
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_npassert(SetFilePointerEx(h, p, 0, SEEK_SET));
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SetFilePointerEx(h, p, 0, SEEK_SET);
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}
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if (ok) {
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@ -18,49 +18,15 @@
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/assert.h"
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#include "libc/atomic.h"
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#include "libc/calls/state.internal.h"
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#include "libc/calls/syscall-sysv.internal.h"
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#include "libc/errno.h"
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#include "libc/intrin/atomic.h"
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#include "libc/intrin/kprintf.h"
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#include "libc/intrin/weaken.h"
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#include "libc/log/backtrace.internal.h"
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#include "libc/log/internal.h"
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#include "libc/runtime/internal.h"
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#include "libc/runtime/runtime.h"
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#include "libc/runtime/symbols.internal.h"
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#include "libc/thread/thread.h"
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#include "libc/thread/tls.h"
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relegated void __assert_fail(const char *expr, const char *file, int line) {
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int me, owner;
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static atomic_int once;
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privileged void __assert_fail(const char *expr, const char *file, int line) {
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static atomic_bool once;
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if (!__assert_disable) {
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strace_enabled(-1);
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ftrace_enabled(-1);
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owner = 0;
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me = __tls_enabled ? __get_tls()->tib_tid : __pid;
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pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, 0);
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kprintf("%s:%d: assert(%s) failed (tid %d) %m\n", file, line, expr, me);
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if (__vforked ||
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atomic_compare_exchange_strong_explicit(
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&once, &owner, me, memory_order_relaxed, memory_order_relaxed)) {
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__restore_tty();
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if (_weaken(ShowBacktrace)) {
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_weaken(ShowBacktrace)(2, __builtin_frame_address(0));
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} else if (_weaken(PrintBacktraceUsingSymbols) &&
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_weaken(GetSymbolTable)) {
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_weaken(PrintBacktraceUsingSymbols)(2, __builtin_frame_address(0),
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_weaken(GetSymbolTable)());
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} else {
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kprintf("can't backtrace b/c `ShowCrashReports` not linked\n");
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}
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_Exitr(23);
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} else if (owner == me) {
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kprintf("assert failed while failing\n");
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_Exitr(24);
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} else {
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_Exit1(25);
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if (!atomic_exchange(&once, true)) {
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kprintf("%s:%d: assert(%s) failed (tid %P) %m\n", file, line, expr);
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}
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__builtin_trap();
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}
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}
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@ -120,7 +120,7 @@ long _missingno();
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void _weakfree(void *);
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void *_mapanon(size_t) attributeallocsize((1)) mallocesque;
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void *_mapshared(size_t) attributeallocsize((1)) mallocesque;
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void *_mapstack(void) returnsaligned((FRAMESIZE)) mallocesque;
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void *_mapstack(void) returnsaligned((APE_PAGESIZE)) mallocesque;
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int _freestack(void *);
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void __oom_hook(size_t);
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void _peekall(void);
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@ -55,7 +55,7 @@ void *xrealloc(void *, size_t)
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attributeallocsize((2)) dontthrow nocallback dontdiscard;
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void *xcalloc(size_t, size_t) attributeallocsize((1, 2))
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returnspointerwithnoaliases dontthrow nocallback dontdiscard returnsnonnull;
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void *xvalloc(size_t) attributeallocsize((1)) returnsaligned((FRAMESIZE))
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void *xvalloc(size_t) attributeallocsize((1)) returnsaligned((APE_PAGESIZE))
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returnspointerwithnoaliases dontthrow nocallback dontdiscard returnsnonnull;
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void *xmemalign(size_t, size_t) attributeallocalign((1)) attributeallocsize((2))
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returnspointerwithnoaliases dontthrow nocallback dontdiscard returnsnonnull;
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@ -2,23 +2,50 @@
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#
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# cosmopolitan c++ compiler
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#
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# we assume you run the following beforehand
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# getting started
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#
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# sudo chmod 1777 /opt
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# cd /opt
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# git clone https://github.com/jart/cosmopolitan cosmo
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# cd cosmo
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# make -j
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# git clone https://github.com/jart/cosmopolitan /opt/cosmo
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# (cd /opt/cosmo; make -j8 toolchain)
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# sudo ln -sf /opt/cosmo/tool/scripts/cosmocc /usr/local/bin/cosmocc
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# sudo ln -sf /opt/cosmo/tool/scripts/cosmoc++ /usr/local/bin/cosmoc++
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# cosmoc++ -o hello.com hello.cc
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# ./foo.com
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# ./foo.com.dbg
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#
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# you can then use it to build open source projects, e.g.
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# building open source projects
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#
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# export CC=cosmocc
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# export CXX=cosmoc++
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# export LD=cosmoc++
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# ./configure --prefix=/opt/cosmos
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# make -j
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# make install
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#
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# cosmopolitan runtime flags
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#
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# ./hello.com --strace
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# ./hello.com --ftrace
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#
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# cosmpolitan runtime libraries
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#
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# #include <cosmo.h>
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# int main() {
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# ShowCrashReports();
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# __builtin_trap();
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# }
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#
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# building programs in tiny mode
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#
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# export MODE=tiny
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# (cd /opt/cosmo; make -j8 toolchain)
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# cosmoc++ -Os -o foo.com foo.cc
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#
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# hardening programs with memory safety
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#
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# export MODE=asan
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# (cd /opt/cosmo; make -j8 toolchain)
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# cosmoc++ -o foo.com foo.cc
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#
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MODE=${MODE:-$m}
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COSMO=${COSMO:-/opt/cosmo}
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@ -36,14 +63,14 @@ fi
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PLATFORM="-D__COSMOPOLITAN__"
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PREDEF="-include libc/integral/normalize.inc"
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CCFLAGS="-g -fdata-sections -ffunction-sections -fno-pie -mno-tls-direct-seg-refs -mno-red-zone -fportcosmo"
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CCFLAGS="-fdata-sections -ffunction-sections -fno-pie -mno-tls-direct-seg-refs -mno-red-zone -fportcosmo"
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CXXFLAGS="-fno-exceptions -fuse-cxa-atexit -fno-threadsafe-statics"
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CPPFLAGS="-DNDEBUG -nostdinc -iquote /opt/cosmo -isystem $COSMOS/include -isystem $COSMO/libc/isystem"
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LDFLAGS="-static -no-pie -nostdlib -fuse-ld=bfd -Wl,-melf_x86_64 -Wl,--gc-sections -L$COSMOS/lib -Wl,-T,$COSMO/o/$MODE/ape/public/ape.lds $COSMO/o/$MODE/ape/ape-no-modify-self.o $COSMO/o/$MODE/libc/crt/crt.o"
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LDLIBS="$COSMO/o/$MODE/third_party/libcxx/libcxx.a $COSMO/o/$MODE/cosmopolitan.a"
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CXX="$COSMO/o/$MODE/third_party/gcc/bin/x86_64-linux-musl-g++"
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OBJCOPY="$COSMO/o/$MODE/third_party/gcc/bin/x86_64-linux-musl-objcopy"
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CXX="$COSMO/o/third_party/gcc/bin/x86_64-linux-musl-g++"
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OBJCOPY="$COSMO/o/third_party/gcc/bin/x86_64-linux-musl-objcopy"
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FIXUPOBJ="$COSMO/o/$MODE/tool/build/fixupobj.com"
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ZIPCOPY="$COSMO/o/$MODE/tool/build/zipcopy.com"
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@ -57,6 +84,16 @@ if [ ! -d "$COSMOS" ]; then
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exit 1
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fi
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if [ ! -f "$CXX" ] ||
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[ ! -f "$OBJCOPY" ] ||
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[ ! -f "$FIXUPOBJ" ] ||
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[ ! -f "$ZIPCOPY" ]; then
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echo "error: cosmopolitan artifacts missing; please run" >&2
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echo " cd $COSMOS" >&2
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echo " make -j8 m=$MODE toolchain" >&2
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exit 1
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fi
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# auto-install some shell libraries
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if [ ! -d "$COSMOS/lib" ]; then
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mkdir "$COSMOS/lib"
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@ -128,24 +165,27 @@ set -- "$CXX" "$@"
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printf '(cd %s; %s)\n' "$PWD" "$*" >>/tmp/build.log
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"$@" || exit
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if [ $INTENT = cc ] && [ -n "$OUTPUT" ]; then
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"$FIXUPOBJ" "$OUTPUT" || exit
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elif [ $INTENT = ld ] && [ -n "$OUTPUT" ]; then
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if [ x"$OUTPUT" != x"${OUTPUT%.com}" ] ||
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[ x"$OUTPUT" != x"${OUTPUT%.exe}" ]; then
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# cosmocc -o foo.com ...
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# -> foo.com (ape)
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# -> foo.com.dbg (elf)
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mv -f "$OUTPUT" "$OUTPUT.dbg" || exit
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"$OBJCOPY" -S -O binary "$OUTPUT.dbg" "$OUTPUT" || exit
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"$ZIPCOPY" "$OUTPUT.dbg" "$OUTPUT" || exit
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else
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# cosmocc -o foo ...
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# -> foo (elf)
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# -> foo.com (ape)
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# -> foo.com.dbg (elf)
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cp -f "$OUTPUT" "$OUTPUT.com.dbg" || exit
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"$OBJCOPY" -S -O binary "$OUTPUT" "$OUTPUT.com" || exit
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"$ZIPCOPY" "$OUTPUT" "$OUTPUT.com" || exit
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if [ -n "$OUTPUT" ]; then
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if [ $INTENT = cc ] || [ $INTENT = ld ]; then
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"$FIXUPOBJ" "$OUTPUT" || exit
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fi
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if [ $INTENT = ld ]; then
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if [ x"$OUTPUT" != x"${OUTPUT%.com}" ] ||
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[ x"$OUTPUT" != x"${OUTPUT%.exe}" ]; then
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# cosmocc -o foo.com ...
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# -> foo.com (ape)
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# -> foo.com.dbg (elf)
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mv -f "$OUTPUT" "$OUTPUT.dbg" || exit
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"$OBJCOPY" -S -O binary "$OUTPUT.dbg" "$OUTPUT" || exit
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"$ZIPCOPY" "$OUTPUT.dbg" "$OUTPUT" || exit
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else
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# cosmocc -o foo ...
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# -> foo (elf)
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# -> foo.com (ape)
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# -> foo.com.dbg (elf)
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cp -f "$OUTPUT" "$OUTPUT.com.dbg" || exit
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"$OBJCOPY" -S -O binary "$OUTPUT" "$OUTPUT.com" || exit
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"$ZIPCOPY" "$OUTPUT" "$OUTPUT.com" || exit
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fi
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fi
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fi
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@ -2,23 +2,50 @@
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#
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# cosmopolitan c compiler
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#
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# we assume you run the following beforehand
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# getting started
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#
|
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# sudo chmod 1777 /opt
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# cd /opt
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# git clone https://github.com/jart/cosmopolitan cosmo
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# cd cosmo
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# make -j
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# git clone https://github.com/jart/cosmopolitan /opt/cosmo
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# (cd /opt/cosmo; make -j8 toolchain)
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# sudo ln -sf /opt/cosmo/tool/scripts/cosmocc /usr/local/bin/cosmocc
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# sudo ln -sf /opt/cosmo/tool/scripts/cosmoc++ /usr/local/bin/cosmoc++
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# cosmocc -o hello.com hello.c
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# ./foo.com
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# ./foo.com.dbg
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#
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# you can then use it to build open source projects, e.g.
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# building open source projects
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#
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# export CC=cosmocc
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# export CXX=cosmoc++
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# export LD=cosmoc++
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# ./configure --prefix=/opt/cosmos
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# make -j
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# make install
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#
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# cosmopolitan runtime flags
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#
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# ./hello.com --strace
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# ./hello.com --ftrace
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#
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# cosmpolitan runtime libraries
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#
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# #include <cosmo.h>
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# int main() {
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# ShowCrashReports();
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# __builtin_trap();
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# }
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#
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# building programs in tiny mode
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#
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# export MODE=tiny
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# (cd /opt/cosmo; make -j8 toolchain)
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# cosmocc -Os -o foo.com foo.c
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#
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# hardening programs with memory safety
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#
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# export MODE=asan
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# (cd /opt/cosmo; make -j8 toolchain)
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# cosmocc -o foo.com foo.c
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#
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MODE=${MODE:-$m}
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COSMO=${COSMO:-/opt/cosmo}
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@ -36,14 +63,14 @@ fi
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PLATFORM="-D__COSMOPOLITAN__"
|
||||
PREDEF="-include libc/integral/normalize.inc"
|
||||
CCFLAGS="-g -fdata-sections -ffunction-sections -fno-pie -mno-tls-direct-seg-refs -mno-red-zone -fportcosmo"
|
||||
CCFLAGS="-fdata-sections -ffunction-sections -fno-pie -mno-tls-direct-seg-refs -mno-red-zone -fportcosmo"
|
||||
CFLAGS=
|
||||
CPPFLAGS="-DNDEBUG -nostdinc -iquote /opt/cosmo -isystem $COSMOS/include -isystem $COSMO/libc/isystem"
|
||||
LDFLAGS="-static -no-pie -nostdlib -fuse-ld=bfd -Wl,-melf_x86_64 -Wl,--gc-sections -L$COSMOS/lib -Wl,-T,$COSMO/o/$MODE/ape/public/ape.lds $COSMO/o/$MODE/ape/ape-no-modify-self.o $COSMO/o/$MODE/libc/crt/crt.o"
|
||||
LDLIBS="$COSMO/o/$MODE/cosmopolitan.a"
|
||||
|
||||
CC="$COSMO/o/$MODE/third_party/gcc/bin/x86_64-linux-musl-gcc"
|
||||
OBJCOPY="$COSMO/o/$MODE/third_party/gcc/bin/x86_64-linux-musl-objcopy"
|
||||
CC="$COSMO/o/third_party/gcc/bin/x86_64-linux-musl-gcc"
|
||||
OBJCOPY="$COSMO/o/third_party/gcc/bin/x86_64-linux-musl-objcopy"
|
||||
FIXUPOBJ="$COSMO/o/$MODE/tool/build/fixupobj.com"
|
||||
ZIPCOPY="$COSMO/o/$MODE/tool/build/zipcopy.com"
|
||||
|
||||
|
|
@ -57,6 +84,16 @@ if [ ! -d "$COSMOS" ]; then
|
|||
exit 1
|
||||
fi
|
||||
|
||||
if [ ! -f "$CC" ] ||
|
||||
[ ! -f "$OBJCOPY" ] ||
|
||||
[ ! -f "$FIXUPOBJ" ] ||
|
||||
[ ! -f "$ZIPCOPY" ]; then
|
||||
echo "error: cosmopolitan artifacts missing; please run" >&2
|
||||
echo " cd $COSMOS" >&2
|
||||
echo " make -j8 m=$MODE toolchain" >&2
|
||||
exit 1
|
||||
fi
|
||||
|
||||
# auto-install some shell libraries
|
||||
if [ ! -d "$COSMOS/lib" ]; then
|
||||
mkdir "$COSMOS/lib"
|
||||
|
|
@ -128,24 +165,19 @@ set -- "$CC" "$@"
|
|||
printf '(cd %s; %s)\n' "$PWD" "$*" >>/tmp/build.log
|
||||
"$@" || exit
|
||||
|
||||
if [ $INTENT = cc ] && [ -n "$OUTPUT" ]; then
|
||||
"$FIXUPOBJ" "$OUTPUT" || exit
|
||||
elif [ $INTENT = ld ] && [ -n "$OUTPUT" ]; then
|
||||
if [ x"$OUTPUT" != x"${OUTPUT%.com}" ] ||
|
||||
[ x"$OUTPUT" != x"${OUTPUT%.exe}" ]; then
|
||||
# cosmocc -o foo.com ...
|
||||
# -> foo.com (ape)
|
||||
# -> foo.com.dbg (elf)
|
||||
mv -f "$OUTPUT" "$OUTPUT.dbg" || exit
|
||||
"$OBJCOPY" -S -O binary "$OUTPUT.dbg" "$OUTPUT" || exit
|
||||
"$ZIPCOPY" "$OUTPUT.dbg" "$OUTPUT" || exit
|
||||
else
|
||||
# cosmocc -o foo ...
|
||||
# -> foo (elf)
|
||||
# -> foo.com (ape)
|
||||
# -> foo.com.dbg (elf)
|
||||
cp -f "$OUTPUT" "$OUTPUT.com.dbg" || exit
|
||||
"$OBJCOPY" -S -O binary "$OUTPUT" "$OUTPUT.com" || exit
|
||||
"$ZIPCOPY" "$OUTPUT" "$OUTPUT.com" || exit
|
||||
if [ -n "$OUTPUT" ] && [ -f "$OUTPUT" ]; then
|
||||
if [ $INTENT = cc ] || [ $INTENT = ld ]; then
|
||||
"$FIXUPOBJ" "$OUTPUT" || exit
|
||||
fi
|
||||
if [ $INTENT = ld ]; then
|
||||
if [ x"$OUTPUT" != x"${OUTPUT%.com}" ] ||
|
||||
[ x"$OUTPUT" != x"${OUTPUT%.exe}" ]; then
|
||||
# cosmocc -o foo.com ...
|
||||
# -> foo.com (ape)
|
||||
# -> foo.com.dbg (elf)
|
||||
mv -f "$OUTPUT" "$OUTPUT.dbg" || exit
|
||||
"$OBJCOPY" -S -O binary "$OUTPUT.dbg" "$OUTPUT" || exit
|
||||
"$ZIPCOPY" "$OUTPUT.dbg" "$OUTPUT" || exit
|
||||
fi
|
||||
fi
|
||||
fi
|
||||
|
|
|
|||
Loading…
Reference in a new issue