#include "h/unistd.h" /* For syscall numbers. */
#include "h/mm.h"
+#ifdef AFS_AMD64_LINUX20_ENV
+#include "../asm/ia32_unistd.h"
+#endif
+
#include <linux/module.h>
#include <linux/slab.h>
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
#include <linux/syscall.h>
#endif
-
#ifdef AFS_SPARC64_LINUX24_ENV
#define __NR_setgroups32 82 /* This number is not exported for some bizarre reason. */
#endif
static void* afs_ni_syscall = 0;
#endif
+#ifdef AFS_AMD64_LINUX20_ENV
+#ifdef EXPORTED_IA32_SYS_CALL_TABLE
+extern void * ia32_sys_call_table[];
+#else
+static void **ia32_sys_call_table;
+#endif
+
+static void *ia32_ni_syscall = 0;
+asmlinkage long (*sys32_setgroupsp)(int gidsetsize, old_gid_t *grouplist);
+#if defined(__NR_ia32_setgroups32)
+asmlinkage long (*sys32_setgroups32p)(int gidsetsize, gid_t *grouplist);
+#endif /* __NR_ia32_setgroups32 */
+#endif /* AFS_AMD64_LINUX20_ENV */
+
#ifdef AFS_SPARC64_LINUX20_ENV
static unsigned int afs_ni_syscall32 = 0;
asmlinkage int (*sys32_setgroupsp)(int gidsetsize, __kernel_gid_t32 *grouplist);
#if defined(__NR_setgroups32)
asmlinkage int (*sys32_setgroups32p)(int gidsetsize, __kernel_gid_t32 *grouplist);
-#endif
+#endif /* __NR_setgroups32 */
#ifdef EXPORTED_SYS_CALL_TABLE
extern unsigned int sys_call_table32[];
-#else
+#else /* EXPORTED_SYS_CALL_TABLE */
static unsigned int *sys_call_table32;
-#endif
+#endif /* EXPORTED_SYS_CALL_TABLE */
asmlinkage int afs_syscall32(long syscall, long parm1, long parm2, long parm3,
long parm4, long parm5)
"ret\n\t"
"nop");
}
-#endif
+#endif /* AFS_SPARC64_LINUX20_ENV */
#ifdef AFS_IA64_LINUX20_ENV
#ifdef AFS_LINUX24_ENV
asmlinkage int (*sys_setgroups32p)(int gidsetsize, __kernel_gid32_t *grouplist);
-#endif
+#endif /* AFS_LINUX24_ENV */
#ifdef AFS_SPARC64_LINUX20_ENV
#define POINTER2SYSCALL (unsigned int)(unsigned long)
extern long afs_xsetgroups();
#if defined(__NR_setgroups32)
extern int afs_xsetgroups32();
-#endif
-#ifdef AFS_SPARC64_LINUX20_ENV
+#endif /* __NR_setgroups32 */
+#if defined(AFS_SPARC64_LINUX20_ENV) || defined (AFS_AMD64_LINUX20_ENV)
extern int afs32_xsetgroups();
-#if defined(__NR_setgroups32)
+#if (defined(__NR_setgroups32) && defined(AFS_SPARC64_LINUX20_ENV))
extern int afs32_xsetgroups32();
#endif
+#if (defined(__NR_ia32_setgroups32) && defined(AFS_AMD64_LINUX20_ENV))
+ extern int afs32_xsetgroups32();
#endif
+#endif /* AFS_SPARC64_LINUX20_ENV || AFS_AMD64_LINUX20_ENV */
-#ifndef EXPORTED_SYS_CALL_TABLE
+#if !defined(EXPORTED_SYS_CALL_TABLE) || (defined(AFS_AMD64_LINUX20_ENV) && !defined(EXPORTED_IA32_SYS_CALL_TABLE))
unsigned long *ptr;
unsigned long offset;
unsigned long datalen;
char *sym_name;
unsigned long sym_start;
unsigned long sym_end;
-#endif
+#endif /* EXPORTED_SYS_CALL_TABLE */
RWLOCK_INIT(&afs_xosi, "afs_xosi");
#endif
#endif /* EXPORTED_SYS_CALL_TABLE */
+#ifdef AFS_AMD64_LINUX20_ENV
+#ifndef EXPORTED_IA32_SYS_CALL_TABLE
+ ia32_sys_call_table=0;
+#ifdef EXPORTED_KALLSYMS_SYMBOL
+ ret=1;
+ token=0;
+ while (ret) {
+ sym_start=0;
+ ret=kallsyms_symbol_to_address("ia32_sys_call_table", &token,
+ &mod_name, &mod_start, &mod_end,
+ &sec_name, &sec_start, &sec_end,
+ &sym_name, &sym_start, &sym_end);
+ if (ret && !strcmp(mod_name, "kernel"))
+ break;
+ }
+ if (ret && sym_start) {
+ ia32_sys_call_table=sym_start;
+ }
+#else /* EXPORTED_KALLSYMS_SYMBOL */
+#ifdef EXPORTED_KALLSYMS_ADDRESS
+ ret=kallsyms_address_to_symbol((unsigned long)&interruptible_sleep_on,
+ &mod_name, &mod_start, &mod_end, &sec_name,
+ &sec_start, &sec_end,
+ &sym_name, &sym_start, &sym_end);
+ ptr=(unsigned long *)sec_start;
+ datalen=(sec_end-sec_start)/sizeof(unsigned long);
+#else /* EXPORTED_KALLSYMS_ADDRESS */
+#if defined(AFS_AMD64_LINUX20_ENV)
+ ptr=(unsigned long *)&interruptible_sleep_on;
+ datalen=0x180000/sizeof(ptr);
+#else /* AFS_AMD64_LINUX20_ENV */
+ ptr=(unsigned long *)&interruptible_sleep_on;
+ datalen=16384;
+#endif /* AFS_AMD64_LINUX20_ENV */
+#endif /* EXPORTED_KALLSYMS_ADDRESS */
+ for (offset=0;offset <datalen;ptr++,offset++) {
+ if (ptr[0] == (unsigned long)&sys_exit &&
+ ptr[__NR_ia32_open - __NR_ia32_exit] == (unsigned long)&sys_open) {
+ ia32_sys_call_table=ptr - __NR_ia32_exit;
+ break;
+ }
+ }
+#ifdef EXPORTED_KALLSYMS_ADDRESS
+ ret=kallsyms_address_to_symbol((unsigned long)ia32_sys_call_table,
+ &mod_name, &mod_start, &mod_end, &sec_name,
+ &sec_start, &sec_end,
+ &sym_name, &sym_start, &sym_end);
+ if (ret && strcmp(sym_name, "ia32_sys_call_table"))
+ ia32_sys_call_table=0;
+#endif /* EXPORTED_KALLSYMS_ADDRESS */
+#endif /* EXPORTED_KALLSYMS_SYMBOL */
+ if (!ia32_sys_call_table) {
+ printf("Warning: Failed to find address of ia32_sys_call_table\n");
+ } else {
+ printf("Found ia32_sys_call_table at %x\n", ia32_sys_call_table);
+ }
+#else
+ printf("Found ia32_sys_call_table at %x\n", ia32_sys_call_table);
+#endif /* IA32_SYS_CALL_TABLE */
+#endif
+
/* Initialize pointers to kernel syscalls. */
#if defined(AFS_IA64_LINUX20_ENV)
kernel_gp = ((struct fptr *)printk)->gp;
sys_call_table32[__NR_afs_syscall] = POINTER2SYSCALL afs_syscall32;
# endif
#endif /* AFS_IA64_LINUX20_ENV */
+#ifdef AFS_AMD64_LINUX20_ENV
+ if (ia32_sys_call_table) {
+ ia32_ni_syscall = ia32_sys_call_table[__NR_ia32_afs_syscall];
+ ia32_sys_call_table[__NR_ia32_afs_syscall] = POINTER2SYSCALL afs_syscall;
+ }
+#endif /* AFS_S390_LINUX22_ENV */
osi_Init();
register_filesystem(&afs_file_system);
#else /* AFS_IA64_LINUX20_ENV */
sys_setgroupsp = SYSCALL2POINTER sys_call_table[__NR_setgroups];
sys_call_table[__NR_setgroups] = POINTER2SYSCALL afs_xsetgroups;
-# ifdef AFS_SPARC64_LINUX20_ENV
+#ifdef AFS_SPARC64_LINUX20_ENV
sys32_setgroupsp = SYSCALL2POINTER sys_call_table32[__NR_setgroups];
sys_call_table32[__NR_setgroups] = POINTER2SYSCALL afs32_xsetgroups;
-# endif
-# if defined(__NR_setgroups32)
+#endif /* AFS_SPARC64_LINUX20_ENV */
+#if defined(__NR_setgroups32)
sys_setgroups32p = SYSCALL2POINTER sys_call_table[__NR_setgroups32];
sys_call_table[__NR_setgroups32] = POINTER2SYSCALL afs_xsetgroups32;
-# ifdef AFS_SPARC64_LINUX20_ENV
+#ifdef AFS_SPARC64_LINUX20_ENV
sys32_setgroups32p = SYSCALL2POINTER sys_call_table32[__NR_setgroups32];
sys_call_table32[__NR_setgroups32] = POINTER2SYSCALL afs32_xsetgroups32;
-# endif
-# endif
+#endif /* AFS_SPARC64_LINUX20_ENV */
+#endif /* __NR_setgroups32 */
+#ifdef AFS_AMD64_LINUX20_ENV
+ if (ia32_sys_call_table) {
+ sys32_setgroupsp =
+ SYSCALL2POINTER ia32_sys_call_table[__NR_ia32_setgroups];
+ ia32_sys_call_table[__NR_ia32_setgroups] =
+ POINTER2SYSCALL afs32_xsetgroups;
+#if defined(__NR_ia32_setgroups32)
+ sys32_setgroups32p =
+ SYSCALL2POINTER ia32_sys_call_table[__NR_ia32_setgroups32];
+ ia32_sys_call_table[__NR_ia32_setgroups32] =
+ POINTER2SYSCALL afs32_xsetgroups32;
+#endif /* __NR_ia32_setgroups32 */
+ }
+#endif /* AFS_AMD64_LINUX20_ENV */
#endif /* AFS_IA64_LINUX20_ENV */
osi_sysctl_init();
# endif
# endif
#endif /* AFS_IA64_LINUX20_ENV */
+#ifdef AFS_AMD64_LINUX20_ENV
+ if (ia32_sys_call_table) {
+ ia32_sys_call_table[__NR_ia32_setgroups] =
+ POINTER2SYSCALL sys32_setgroupsp;
+ ia32_sys_call_table[__NR_ia32_afs_syscall] =
+ POINTER2SYSCALL ia32_ni_syscall;
+# if defined(__NR_setgroups32)
+ ia32_sys_call_table[__NR_ia32_setgroups32] =
+ POINTER2SYSCALL sys32_setgroups32p;
+#endif
+ }
+#endif
unregister_filesystem(&afs_file_system);
osi_linux_free_inode_pages(); /* Invalidate all pages using AFS inodes. */