+++ /dev/null
-/*
- * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com)
- * Licensed under the GPL
- */
-
-#ifndef __TEMPFILE_H__
-#define __TEMPFILE_H__
-
-extern int make_tempfile(const char *template, char **tempname, int do_unlink);
-
-#endif
if (actual != req->offset)
return -errno;
- switch(req->type) {
+ switch (req->type) {
case AIO_READ:
n = read(req->io_fd, req->buf, req->len);
break;
* Licensed under the GPL.
*/
-#include "linux/init.h"
+#include <linux/init.h>
#include <linux/netdevice.h>
#include "etap.h"
#include "net_kern.h"
epri->control_fd = -1;
epri->dev = dev;
- printk("ethertap backend - %s", epri->dev_name);
+ printk(KERN_INFO "ethertap backend - %s", epri->dev_name);
if (epri->gate_addr != NULL)
- printk(", IP = %s", epri->gate_addr);
- printk("\n");
+ printk(KERN_CONT ", IP = %s", epri->gate_addr);
+ printk(KERN_CONT "\n");
}
static int etap_read(int fd, struct sk_buff *skb, struct uml_net_private *lp)
tpri->fd = -1;
tpri->dev = dev;
- printk("TUN/TAP backend - ");
+ printk(KERN_INFO "TUN/TAP backend - ");
if (tpri->gate_addr != NULL)
- printk("IP = %s", tpri->gate_addr);
- printk("\n");
+ printk(KERN_CONT "IP = %s", tpri->gate_addr);
+ printk(KERN_CONT "\n");
}
static int tuntap_read(int fd, struct sk_buff *skb, struct uml_net_private *lp)
/*
- * Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
+ * Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Licensed under the GPL
*/
#define DEV_NULL "/dev/null"
#endif
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only. This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */
+/*
+ * Copyright (C) 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
+ * Licensed under the GPL
+ */
+
#include <stdio.h>
-#include <stdlib.h>
#include <stddef.h>
-#include <stdarg.h>
+#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
-#include <string.h>
#include <fcntl.h>
-#include <sys/types.h>
+#include <string.h>
#include <sys/mman.h>
-#include <sys/statfs.h>
-#include "user.h"
-#include "mem_user.h"
+#include <sys/param.h>
#include "init.h"
-#include "os.h"
-#include "tempfile.h"
#include "kern_constants.h"
-
-#include <sys/param.h>
+#include "os.h"
+#include "user.h"
/* Modified by which_tmpdir, which is called during early boot */
static char *default_tmpdir = "/tmp";
int i;
char *dir = NULL;
- if(tempdir != NULL) /* We've already been called */
+ if (tempdir != NULL)
+ /* We've already been called */
return;
- for(i = 0; dirs[i]; i++){
+ for (i = 0; dirs[i]; i++) {
dir = getenv(dirs[i]);
- if((dir != NULL) && (*dir != '\0'))
+ if ((dir != NULL) && (*dir != '\0'))
break;
}
- if((dir == NULL) || (*dir == '\0'))
+ if ((dir == NULL) || (*dir == '\0'))
dir = default_tmpdir;
tempdir = malloc(strlen(dir) + 2);
- if(tempdir == NULL){
+ if (tempdir == NULL) {
fprintf(stderr, "Failed to malloc tempdir, "
"errno = %d\n", errno);
return;
strcat(tempdir, "/");
}
-/* This will return 1, with the first character in buf being the
+/*
+ * This will return 1, with the first character in buf being the
* character following the next instance of c in the file. This will
* read the file as needed. If there's an error, -errno is returned;
* if the end of the file is reached, 0 is returned.
size_t len;
char *ptr;
- while((ptr = strchr(buf, c)) == NULL){
+ while ((ptr = strchr(buf, c)) == NULL) {
n = read(fd, buf, size - 1);
- if(n == 0)
+ if (n == 0)
return 0;
- else if(n < 0)
+ else if (n < 0)
return -errno;
buf[n] = '\0';
len = strlen(ptr);
memmove(buf, ptr, len + 1);
- /* Refill the buffer so that if there's a partial string that we care
+ /*
+ * Refill the buffer so that if there's a partial string that we care
* about, it will be completed, and we can recognize it.
*/
n = read(fd, &buf[len], size - len - 1);
- if(n < 0)
+ if (n < 0)
return -errno;
buf[len + n] = '\0';
/* which_tmpdir is called only during early boot */
static int checked_tmpdir = 0;
-/* Look for a tmpfs mounted at /dev/shm. I couldn't find a cleaner
+/*
+ * Look for a tmpfs mounted at /dev/shm. I couldn't find a cleaner
* way to do this than to parse /proc/mounts. statfs will return the
* same filesystem magic number and fs id for both /dev and /dev/shm
* when they are both tmpfs, so you can't tell if they are different
int fd, found;
char buf[128] = { '\0' };
- if(checked_tmpdir)
+ if (checked_tmpdir)
return;
checked_tmpdir = 1;
printf("Checking for tmpfs mount on /dev/shm...");
fd = open("/proc/mounts", O_RDONLY);
- if(fd < 0){
+ if (fd < 0) {
printf("failed to open /proc/mounts, errno = %d\n", errno);
return;
}
- while(1){
+ while (1) {
found = next(fd, buf, ARRAY_SIZE(buf), ' ');
- if(found != 1)
+ if (found != 1)
break;
- if(!strncmp(buf, "/dev/shm", strlen("/dev/shm")))
+ if (!strncmp(buf, "/dev/shm", strlen("/dev/shm")))
goto found;
found = next(fd, buf, ARRAY_SIZE(buf), '\n');
- if(found != 1)
+ if (found != 1)
break;
}
err:
- if(found == 0)
+ if (found == 0)
printf("nothing mounted on /dev/shm\n");
- else if(found < 0)
+ else if (found < 0)
printf("read returned errno %d\n", -found);
out:
found:
found = next(fd, buf, ARRAY_SIZE(buf), ' ');
- if(found != 1)
+ if (found != 1)
goto err;
- if(strncmp(buf, "tmpfs", strlen("tmpfs"))){
+ if (strncmp(buf, "tmpfs", strlen("tmpfs"))) {
printf("not tmpfs\n");
goto out;
}
* (file: kernel/tt/ptproxy/proxy.c, proc: start_debugger).
* So it isn't 'static' yet.
*/
-int __init make_tempfile(const char *template, char **out_tempname,
- int do_unlink)
+static int __init make_tempfile(const char *template, char **out_tempname,
+ int do_unlink)
{
char *tempname;
int fd;
tempname[0] = '\0';
strncat(tempname, template, MAXPATHLEN-1-strlen(tempname));
fd = mkstemp(tempname);
- if(fd < 0){
+ if (fd < 0) {
fprintf(stderr, "open - cannot create %s: %s\n", tempname,
strerror(errno));
goto out;
}
- if(do_unlink && (unlink(tempname) < 0)){
+ if (do_unlink && (unlink(tempname) < 0)) {
perror("unlink");
goto out;
}
- if(out_tempname){
+ if (out_tempname) {
*out_tempname = tempname;
} else {
free(tempname);
#define TEMPNAME_TEMPLATE "vm_file-XXXXXX"
-/*
- * This proc is used in start_up.c
- * So it isn't 'static'.
- */
-int __init create_tmp_file(unsigned long long len)
+static int __init create_tmp_file(unsigned long long len)
{
int fd, err;
char zero;
fd = make_tempfile(TEMPNAME_TEMPLATE, NULL, 1);
- if(fd < 0) {
+ if (fd < 0)
exit(1);
- }
err = fchmod(fd, 0777);
- if(err < 0){
+ if (err < 0) {
perror("fchmod");
exit(1);
}
- /* Seek to len - 1 because writing a character there will
+ /*
+ * Seek to len - 1 because writing a character there will
* increase the file size by one byte, to the desired length.
*/
if (lseek64(fd, len - 1, SEEK_SET) < 0) {
zero = 0;
err = write(fd, &zero, 1);
- if(err != 1){
+ if (err != 1) {
perror("write");
exit(1);
}
fd = create_tmp_file(len);
err = os_set_exec_close(fd);
- if(err < 0){
+ if (err < 0) {
errno = -err;
perror("exec_close");
}
PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE, fd, 0);
printf("Checking PROT_EXEC mmap in %s...",tempdir);
fflush(stdout);
- if(addr == MAP_FAILED){
+ if (addr == MAP_FAILED) {
err = errno;
perror("failed");
close(fd);
- if(err == EPERM)
+ if (err == EPERM)
printf("%s must be not mounted noexec\n",tempdir);
exit(1);
}
goto out_unmap;
}
- printk("OK\n");
+ printk(UM_KERN_CONT "OK\n");
ok = 1;
out_unmap:
* interrupts may have arrived and we need to re-enable them and
* recheck signals_pending.
*/
- while(1) {
+ while (1) {
/*
* Save and reset save_pending after enabling signals. This
* way, signals_pending won't be changed while we're reading it.
int local_using_sysemu;
if (getitimer(ITIMER_VIRTUAL, &timer))
- printk("Failed to get itimer, errno = %d\n", errno);
+ printk(UM_KERN_ERR "Failed to get itimer, errno = %d\n", errno);
nsecs = timer.it_value.tv_sec * UM_NSEC_PER_SEC +
timer.it_value.tv_usec * UM_NSEC_PER_USEC;
nsecs += os_nsecs();
if (WIFSTOPPED(status)) {
int sig = WSTOPSIG(status);
- switch(sig) {
+ switch (sig) {
case SIGSEGV:
if (PTRACE_FULL_FAULTINFO ||
!ptrace_faultinfo) {
* after returning to the jumper.
*/
n = setjmp(initial_jmpbuf);
- switch(n) {
+ switch (n) {
case INIT_JMP_NEW_THREAD:
(*switch_buf)[0].JB_IP = (unsigned long) new_thread_handler;
(*switch_buf)[0].JB_SP = (unsigned long) stack +
int err;
err = ptrace(PTRACE_GETFPXREGS, pid, 0, fpx_regs);
- if(!err)
+ if (!err)
return;
- if(errno != EIO)
+ if (errno != EIO)
panic("check_ptrace : PTRACE_GETFPXREGS failed, errno = %d",
errno);
/*
- * Copyright (C) 2006-2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
+ * Copyright (C) 2006 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Licensed under the GPL
*/
#include <sys/ptrace.h>
#define __FRAME_OFFSETS
#include <asm/ptrace.h>
+#include "kern_constants.h"
#include "longjmp.h"
#include "user.h"
int save_fp_registers(int pid, unsigned long *fp_regs)
{
- if(ptrace(PTRACE_GETFPREGS, pid, 0, fp_regs) < 0)
+ if (ptrace(PTRACE_GETFPREGS, pid, 0, fp_regs) < 0)
return -errno;
return 0;
}
int restore_fp_registers(int pid, unsigned long *fp_regs)
{
- if(ptrace(PTRACE_SETFPREGS, pid, 0, fp_regs) < 0)
+ if (ptrace(PTRACE_SETFPREGS, pid, 0, fp_regs) < 0)
return -errno;
return 0;
}
unsigned long get_thread_reg(int reg, jmp_buf *buf)
{
- switch(reg){
- case RIP: return buf[0]->__rip;
- case RSP: return buf[0]->__rsp;
- case RBP: return buf[0]->__rbp;
+ switch (reg) {
+ case RIP:
+ return buf[0]->__rip;
+ case RSP:
+ return buf[0]->__rsp;
+ case RBP:
+ return buf[0]->__rbp;
default:
- printk("get_thread_regs - unknown register %d\n", reg);
+ printk(UM_KERN_ERR "get_thread_regs - unknown register %d\n",
+ reg);
return 0;
}
}
/*
* Copyright (C) 2001 Chris Emerson (cemerson@chiark.greenend.org.uk)
- * Copyright (C) 2001, 2002 Jeff Dike (jdike@karaya.com)
+ * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Licensed under the GPL
*/
jmp_buf jbuf;
*fault_catcher = &jbuf;
- if(UML_SETJMP(&jbuf) == 0){
+ if (UML_SETJMP(&jbuf) == 0) {
(*op)(to, from, n);
ret = 0;
*faulted_out = 0;
* good; so the versions of these symbols will always match
*/
#define EXPORT_SYMBOL_PROTO(sym) \
- int sym(void); \
- EXPORT_SYMBOL(sym);
+ int sym(void); \
+ EXPORT_SYMBOL(sym);
extern void readdir64(void) __attribute__((weak));
EXPORT_SYMBOL(readdir64);
/*
- * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com)
+ * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Licensed under the GPL
*/
#include <stdio.h>
#include <stdlib.h>
-#include <unistd.h>
-#include <limits.h>
-#include <sys/mman.h>
-#include <sys/stat.h>
-#include <sys/utsname.h>
-#include <sys/param.h>
-#include <sys/time.h>
-#include "asm/types.h"
-#include <ctype.h>
-#include <signal.h>
-#include <wait.h>
#include <errno.h>
-#include <stdarg.h>
-#include <sched.h>
-#include <termios.h>
+#include <signal.h>
#include <string.h>
-#include "kern_util.h"
-#include "user.h"
-#include "mem_user.h"
-#include "init.h"
-#include "ptrace_user.h"
-#include "uml-config.h"
-#include "os.h"
-#include "longjmp.h"
+#include <termios.h>
+#include <wait.h>
+#include <sys/mman.h>
+#include <sys/utsname.h>
#include "kern_constants.h"
+#include "os.h"
+#include "user.h"
void stack_protections(unsigned long address)
{
- if(mprotect((void *) address, UM_THREAD_SIZE,
+ if (mprotect((void *) address, UM_THREAD_SIZE,
PROT_READ | PROT_WRITE | PROT_EXEC) < 0)
panic("protecting stack failed, errno = %d", errno);
}
int err;
CATCH_EINTR(err = tcgetattr(fd, &tt));
- if(err < 0)
+ if (err < 0)
return -errno;
cfmakeraw(&tt);
CATCH_EINTR(err = tcsetattr(fd, TCSADRAIN, &tt));
- if(err < 0)
+ if (err < 0)
return -errno;
- /* XXX tcsetattr could have applied only some changes
- * (and cfmakeraw() is a set of changes) */
+ /*
+ * XXX tcsetattr could have applied only some changes
+ * (and cfmakeraw() is a set of changes)
+ */
return 0;
}
projects / deliverable / linux.git / commitdiff
