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Fix some issues

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Justine Tunney 2023-10-09 20:18:48 -07:00
parent 211d5d902e
commit 9d372f48dd
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GPG key ID: BE714B4575D6E328
29 changed files with 373 additions and 63 deletions
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53
ape/ape-m1.c
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@ -30,10 +30,11 @@
#include <sys/uio.h>
#include <time.h>
#include <unistd.h>
#include <semaphore.h>
#define pagesz 16384
#define SYSLIB_MAGIC ('s' | 'l' << 8 | 'i' << 16 | 'b' << 24)
#define SYSLIB_VERSION 4
#define SYSLIB_VERSION 5
struct Syslib {
int magic;
@ -79,6 +80,15 @@ struct Syslib {
long (*pselect)(int, fd_set *, fd_set *, fd_set *, const struct timespec *,
const sigset_t *);
long (*mprotect)(void *, size_t, int);
/* v5 (2023-10-09) */
long (*sigaltstack)(const stack_t *, stack_t *);
long (*getentropy)(void *, size_t);
long (*sem_open)(const char *, int, uint16_t, unsigned);
long (*sem_unlink)(const char *);
long (*sem_close)(int *);
long (*sem_post)(int *);
long (*sem_wait)(int *);
long (*sem_trywait)(int *);
};
#define ELFCLASS32 1
@ -350,6 +360,7 @@ static char AccessCommand(struct PathSearcher *ps, unsigned long pathlen) {
if (pathlen + 1 + ps->namelen + 1 > sizeof(ps->path)) return 0;
if (pathlen && ps->path[pathlen - 1] != '/') ps->path[pathlen++] = '/';
MemMove(ps->path + pathlen, ps->name, ps->namelen);
ps->path[pathlen + ps->namelen] = 0;
return !access(ps->path, X_OK);
}
@ -795,6 +806,38 @@ static long sys_mprotect(void *data, size_t size, int prot) {
return sysret(mprotect(data, size, prot));
}
static long sys_sigaltstack(const stack_t *ss, stack_t *oss) {
return sysret(sigaltstack(ss, oss));
}
static long sys_getentropy(void *buf, size_t buflen) {
return sysret(getentropy(buf, buflen));
}
static long sys_sem_open(const char *name, int oflags, mode_t mode, unsigned value) {
return sysret((long)sem_open(name, oflags, mode, value));
}
static long sys_sem_unlink(const char *name) {
return sysret(sem_unlink(name));
}
static long sys_sem_close(sem_t *sem) {
return sysret(sem_close(sem));
}
static long sys_sem_post(sem_t *sem) {
return sysret(sem_post(sem));
}
static long sys_sem_wait(sem_t *sem) {
return sysret(sem_wait(sem));
}
static long sys_sem_trywait(sem_t *sem) {
return sysret(sem_trywait(sem));
}
static long sys_write(int fd, const void *data, size_t size) {
return sysret(write(fd, data, size));
}
@ -879,6 +922,14 @@ int main(int argc, char **argv, char **envp) {
M->lib.sigaction = sys_sigaction;
M->lib.pselect = sys_pselect;
M->lib.mprotect = sys_mprotect;
M->lib.sigaltstack = sys_sigaltstack;
M->lib.getentropy = sys_getentropy;
M->lib.sem_open = sys_sem_open;
M->lib.sem_unlink = sys_sem_unlink;
M->lib.sem_close = sys_sem_close;
M->lib.sem_post = sys_sem_post;
M->lib.sem_wait = sys_sem_wait;
M->lib.sem_trywait = sys_sem_trywait;
/* getenv("_") is close enough to at_execfn */
execfn = argc > 0 ? argv[0] : 0;