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added/corrected syscalls, getcwd, access, getdents64, fcntl, readlink, tgkill, rt_sigaction, rt_sigprocmask, madvise, sched_setaffinity, sched_getaffinity (correction), gettimeofday (correction)

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This commit is contained in:
Masamichi Takagi m-takagi@ab.jp.nec.com
2012-10-09 12:49:12 +09:00
parent dd596a2a78
commit c96841cf8f
2 changed files with 240 additions and 17 deletions
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63
linux/executer/mcexec.c
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@@ -17,6 +17,10 @@
#include <sys/stat.h>
#include <sys/utsname.h>
#include <sys/time.h>
#include <signal.h>
#include <sys/wait.h>
#include <dirent.h>
#include <sys/syscall.h>
#define DEBUG
@@ -547,7 +551,7 @@ int main_loop(int fd, int cpu)
ret = gettimeofday((struct timeval *)dma_buf, NULL);
SET_ERR(ret);
do_syscall_return(fd, cpu, ret, 1, (unsigned long)dma_buf,
w.sr.args[1], sizeof(struct timeval));
w.sr.args[0], sizeof(struct timeval));
break;
@@ -588,6 +592,63 @@ int main_loop(int fd, int cpu)
sizeof(struct utsname));
break;
case __NR_getcwd: {
// note that return type is different between glibc-getcwd and sys_getcwd
char* c = getcwd((void *)dma_buf, w.sr.args[1]);
ret = (c == 0) ? -errno : strnlen((const char*)dma_buf, w.sr.args[1]);
printf("getcwd result: %s\n", dma_buf);
do_syscall_return(fd, cpu, ret, 1, (unsigned long)dma_buf, w.sr.args[0], c == 0 ? 0 : ret);
break; }
// see linux-2.6.34.13/fs/open.c
case __NR_access: {
dma_buf[256] = 0;
do_syscall_load(fd, cpu, (unsigned long)dma_buf, w.sr.args[0], 256);
printf("access: %s\n", dma_buf);
int c = access((void *)dma_buf, w.sr.args[1]);
ret = (c < 0) ? -errno : c;
do_syscall_return(fd, cpu, ret, 0, 0, 0, 0);
break; }
case __NR_fcntl: {
int c;
switch(w.sr.args[1]) {
case F_GETFD:
c = fcntl(w.sr.args[0], w.sr.args[1]);
printf("fcntl,F_GETFD,c=%x\n", c);
ret = (c < 0) ? -errno : c;
break;
default:
ret = -EINVAL;
break;
}
do_syscall_return(fd, cpu, ret, 0, 0, 0, 0);
break; }
case __NR_getdents64: { // linux-2.6.34.13/fs/readdir.c
long c = syscall((int)__NR_getdents64, (unsigned int)w.sr.args[0], (void *)dma_buf, (unsigned int)w.sr.args[2]);
ret = (c < 0) ? -errno : c;
do_syscall_return(fd, cpu, ret, 1, (unsigned long)dma_buf, w.sr.args[1], c < 0 ? 0 : c);
break; }
case __NR_readlink: {
dma_buf[256] = 0;
do_syscall_load(fd, cpu, (unsigned long)dma_buf, w.sr.args[0], 256);
printf("readlink: %s\n", dma_buf);
char* dup = strndup((char *)dma_buf, 256);
int c = readlink(dup, (void *)dma_buf, w.sr.args[2]);
free(dup);
ret = (c < 0) ? -errno : c;
if(c > 0) {
dup = strndup((char *)dma_buf, c); // readlink does not append NULL at the end
// printf("readlink result:c=%d,s=%s\n", c, dup);
free(dup);
} else {
// printf("readlink result: c=%d,s=<NULL>\n", c);
}
do_syscall_return(fd, cpu, ret, 1, (unsigned long)dma_buf, w.sr.args[1], c < 0 ? 0 : c);
break; }
case __NR_mmap: {
// w.sr.args[0] is converted to MIC physical address
printf("mcexec.c,mmap,MIC-paddr=%lx,len=%lx,prot=%lx,flags=%lx,fd=%lx,offset=%lx\n",