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Add minor improvements and cleanup

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This commit is contained in:
Justine Tunney 2020-10-27 03:39:46 -07:00
parent 9e3e985ae5
commit feed0d2b0e
163 changed files with 2286 additions and 2245 deletions
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26
tool/build/tinyemu.c
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@ -17,19 +17,22 @@
│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │
│ 02110-1301 USA │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/log/log.h"
#include "libc/mem/mem.h"
#include "libc/runtime/runtime.h"
#include "libc/calls/calls.h"
#include "libc/log/check.h"
#include "libc/stdio/stdio.h"
#include "libc/sysv/consts/ex.h"
#include "libc/sysv/consts/fileno.h"
#include "libc/x/x.h"
#include "tool/build/lib/loader.h"
#include "tool/build/lib/machine.h"
#include "tool/build/lib/memory.h"
#include "tool/build/lib/pty.h"
#include "tool/build/lib/syscall.h"
static void AddHostFd(struct Machine *m, int fd) {
int i = m->fds.i++;
CHECK_NE(-1, (m->fds.p[i].fd = dup(fd)));
m->fds.p[i].cb = &kMachineFdCbHost;
}
int main(int argc, char *argv[]) {
int rc;
struct Elf elf;
@ -42,15 +45,10 @@ int main(int argc, char *argv[]) {
}
m = NewMachine();
LoadProgram(m, argv[1], argv + 2, environ, &elf);
m->fds.i = 3;
m->fds.n = 8;
m->fds.p = xcalloc(m->fds.n, sizeof(struct MachineFd));
m->fds.p[0].fd = STDIN_FILENO;
m->fds.p[0].cb = &kMachineFdCbHost;
m->fds.p[1].fd = STDOUT_FILENO;
m->fds.p[1].cb = &kMachineFdCbHost;
m->fds.p[2].fd = STDERR_FILENO;
m->fds.p[2].cb = &kMachineFdCbHost;
m->fds.p = xcalloc((m->fds.n = 8), sizeof(struct MachineFd));
AddHostFd(m, STDIN_FILENO);
AddHostFd(m, STDOUT_FILENO);
AddHostFd(m, STDERR_FILENO);
if (!(rc = setjmp(m->onhalt))) {
for (;;) {
LoadInstruction(m);