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x86: clean up arch/x86/ia32/aout32.c

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White space and coding style clenaup.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Thomas Gleixner
2008-01-30 13:30:07 +01:00
committed by Ingo Molnar
parent d94448b1fd
commit 8edf8bee88
1 changed files with 114 additions and 96 deletions
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210
arch/x86/ia32/ia32_aout.c
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@@ -36,38 +36,44 @@
#undef WARN_OLD #undef WARN_OLD
#undef CORE_DUMP /* probably broken */ #undef CORE_DUMP /* probably broken */
static int load_aout_binary(struct linux_binprm *, struct pt_regs * regs); static int load_aout_binary(struct linux_binprm *, struct pt_regs *regs);
static int load_aout_library(struct file*); static int load_aout_library(struct file *);
#ifdef CORE_DUMP #ifdef CORE_DUMP
static int aout_core_dump(long signr, struct pt_regs *regs, struct file *file, unsigned long limit); static int aout_core_dump(long signr, struct pt_regs *regs, struct file *file,
unsigned long limit);
/* /*
* fill in the user structure for a core dump.. * fill in the user structure for a core dump..
*/ */
static void dump_thread32(struct pt_regs * regs, struct user32 * dump) static void dump_thread32(struct pt_regs *regs, struct user32 *dump)
{ {
u32 fs,gs; u32 fs, gs;
/* changed the size calculations - should hopefully work better. lbt */ /* changed the size calculations - should hopefully work better. lbt */
dump->magic = CMAGIC; dump->magic = CMAGIC;
dump->start_code = 0; dump->start_code = 0;
dump->start_stack = regs->rsp & ~(PAGE_SIZE - 1); dump->start_stack = regs->rsp & ~(PAGE_SIZE - 1);
dump->u_tsize = ((unsigned long) current->mm->end_code) >> PAGE_SHIFT; dump->u_tsize = ((unsigned long) current->mm->end_code) >> PAGE_SHIFT;
dump->u_dsize = ((unsigned long) (current->mm->brk + (PAGE_SIZE-1))) >> PAGE_SHIFT; dump->u_dsize = ((unsigned long)
(current->mm->brk + (PAGE_SIZE-1))) >> PAGE_SHIFT;
dump->u_dsize -= dump->u_tsize; dump->u_dsize -= dump->u_tsize;
dump->u_ssize = 0; dump->u_ssize = 0;
dump->u_debugreg[0] = current->thread.debugreg0; dump->u_debugreg[0] = current->thread.debugreg0;
dump->u_debugreg[1] = current->thread.debugreg1; dump->u_debugreg[1] = current->thread.debugreg1;
dump->u_debugreg[2] = current->thread.debugreg2; dump->u_debugreg[2] = current->thread.debugreg2;
dump->u_debugreg[3] = current->thread.debugreg3; dump->u_debugreg[3] = current->thread.debugreg3;
dump->u_debugreg[4] = 0; dump->u_debugreg[4] = 0;
dump->u_debugreg[5] = 0; dump->u_debugreg[5] = 0;
dump->u_debugreg[6] = current->thread.debugreg6; dump->u_debugreg[6] = current->thread.debugreg6;
dump->u_debugreg[7] = current->thread.debugreg7; dump->u_debugreg[7] = current->thread.debugreg7;
if (dump->start_stack < 0xc0000000) if (dump->start_stack < 0xc0000000) {
dump->u_ssize = ((unsigned long) (0xc0000000 - dump->start_stack)) >> PAGE_SHIFT; unsigned long tmp;
tmp = (unsigned long) (0xc0000000 - dump->start_stack);
dump->u_ssize = tmp >> PAGE_SHIFT;
}
dump->regs.ebx = regs->rbx; dump->regs.ebx = regs->rbx;
dump->regs.ecx = regs->rcx; dump->regs.ecx = regs->rcx;
@@ -79,7 +85,7 @@ static void dump_thread32(struct pt_regs * regs, struct user32 * dump)
dump->regs.ds = current->thread.ds; dump->regs.ds = current->thread.ds;
dump->regs.es = current->thread.es; dump->regs.es = current->thread.es;
asm("movl %%fs,%0" : "=r" (fs)); dump->regs.fs = fs; asm("movl %%fs,%0" : "=r" (fs)); dump->regs.fs = fs;
asm("movl %%gs,%0" : "=r" (gs)); dump->regs.gs = gs; asm("movl %%gs,%0" : "=r" (gs)); dump->regs.gs = gs;
dump->regs.orig_eax = regs->orig_rax; dump->regs.orig_eax = regs->orig_rax;
dump->regs.eip = regs->rip; dump->regs.eip = regs->rip;
dump->regs.cs = regs->cs; dump->regs.cs = regs->cs;
@@ -90,7 +96,7 @@ static void dump_thread32(struct pt_regs * regs, struct user32 * dump)
#if 1 /* FIXME */ #if 1 /* FIXME */
dump->u_fpvalid = 0; dump->u_fpvalid = 0;
#else #else
dump->u_fpvalid = dump_fpu (regs, &dump->i387); dump->u_fpvalid = dump_fpu(regs, &dump->i387);
#endif #endif
} }
@@ -128,15 +134,19 @@ static int dump_write(struct file *file, const void *addr, int nr)
return file->f_op->write(file, addr, nr, &file->f_pos) == nr; return file->f_op->write(file, addr, nr, &file->f_pos) == nr;
} }
#define DUMP_WRITE(addr, nr) \ #define DUMP_WRITE(addr, nr) \
if (!dump_write(file, (void *)(addr), (nr))) \ if (!dump_write(file, (void *)(addr), (nr))) \
goto end_coredump; goto end_coredump;
#define DUMP_SEEK(offset) \ #define DUMP_SEEK(offset) \
if (file->f_op->llseek) { \ if (file->f_op->llseek) { \
if (file->f_op->llseek(file,(offset),0) != (offset)) \ if (file->f_op->llseek(file, (offset), 0) != (offset)) \
goto end_coredump; \ goto end_coredump; \
} else file->f_pos = (offset) } else \
file->f_pos = (offset)
#define START_DATA() (u.u_tsize << PAGE_SHIFT)
#define START_STACK(u) (u.start_stack)
/* /*
* Routine writes a core dump image in the current directory. * Routine writes a core dump image in the current directory.
@@ -148,62 +158,70 @@ if (file->f_op->llseek) { \
* dumping of the process results in another error.. * dumping of the process results in another error..
*/ */
static int aout_core_dump(long signr, struct pt_regs *regs, struct file *file, unsigned long limit) static int aout_core_dump(long signr, struct pt_regs *regs, struct file *file,
unsigned long limit)
{ {
mm_segment_t fs; mm_segment_t fs;
int has_dumped = 0; int has_dumped = 0;
unsigned long dump_start, dump_size; unsigned long dump_start, dump_size;
struct user32 dump; struct user32 dump;
# define START_DATA(u) (u.u_tsize << PAGE_SHIFT)
# define START_STACK(u) (u.start_stack)
fs = get_fs(); fs = get_fs();
set_fs(KERNEL_DS); set_fs(KERNEL_DS);
has_dumped = 1; has_dumped = 1;
current->flags |= PF_DUMPCORE; current->flags |= PF_DUMPCORE;
strncpy(dump.u_comm, current->comm, sizeof(current->comm)); strncpy(dump.u_comm, current->comm, sizeof(current->comm));
dump.u_ar0 = (u32)(((unsigned long)(&dump.regs)) - ((unsigned long)(&dump))); dump.u_ar0 = (u32)(((unsigned long)(&dump.regs)) -
((unsigned long)(&dump)));
dump.signal = signr; dump.signal = signr;
dump_thread32(regs, &dump); dump_thread32(regs, &dump);
/* If the size of the dump file exceeds the rlimit, then see what would happen /*
if we wrote the stack, but not the data area. */ * If the size of the dump file exceeds the rlimit, then see
* what would happen if we wrote the stack, but not the data
* area.
*/
if ((dump.u_dsize + dump.u_ssize + 1) * PAGE_SIZE > limit) if ((dump.u_dsize + dump.u_ssize + 1) * PAGE_SIZE > limit)
dump.u_dsize = 0; dump.u_dsize = 0;
/* Make sure we have enough room to write the stack and data areas. */ /* Make sure we have enough room to write the stack and data areas. */
if ((dump.u_ssize + 1) * PAGE_SIZE > limit) if ((dump.u_ssize + 1) * PAGE_SIZE > limit)
dump.u_ssize = 0; dump.u_ssize = 0;
/* make sure we actually have a data and stack area to dump */ /* make sure we actually have a data and stack area to dump */
set_fs(USER_DS); set_fs(USER_DS);
if (!access_ok(VERIFY_READ, (void *) (unsigned long)START_DATA(dump), dump.u_dsize << PAGE_SHIFT)) if (!access_ok(VERIFY_READ, (void *) (unsigned long)START_DATA(dump),
dump.u_dsize << PAGE_SHIFT))
dump.u_dsize = 0; dump.u_dsize = 0;
if (!access_ok(VERIFY_READ, (void *) (unsigned long)START_STACK(dump), dump.u_ssize << PAGE_SHIFT)) if (!access_ok(VERIFY_READ, (void *) (unsigned long)START_STACK(dump),
dump.u_ssize << PAGE_SHIFT))
dump.u_ssize = 0; dump.u_ssize = 0;
set_fs(KERNEL_DS); set_fs(KERNEL_DS);
/* struct user */ /* struct user */
DUMP_WRITE(&dump,sizeof(dump)); DUMP_WRITE(&dump, sizeof(dump));
/* Now dump all of the user data. Include malloced stuff as well */ /* Now dump all of the user data. Include malloced stuff as well */
DUMP_SEEK(PAGE_SIZE); DUMP_SEEK(PAGE_SIZE);
/* now we start writing out the user space info */ /* now we start writing out the user space info */
set_fs(USER_DS); set_fs(USER_DS);
/* Dump the data area */ /* Dump the data area */
if (dump.u_dsize != 0) { if (dump.u_dsize != 0) {
dump_start = START_DATA(dump); dump_start = START_DATA(dump);
dump_size = dump.u_dsize << PAGE_SHIFT; dump_size = dump.u_dsize << PAGE_SHIFT;
DUMP_WRITE(dump_start,dump_size); DUMP_WRITE(dump_start, dump_size);
} }
/* Now prepare to dump the stack area */ /* Now prepare to dump the stack area */
if (dump.u_ssize != 0) { if (dump.u_ssize != 0) {
dump_start = START_STACK(dump); dump_start = START_STACK(dump);
dump_size = dump.u_ssize << PAGE_SHIFT; dump_size = dump.u_ssize << PAGE_SHIFT;
DUMP_WRITE(dump_start,dump_size); DUMP_WRITE(dump_start, dump_size);
} }
/* Finally dump the task struct. Not be used by gdb, but could be useful */ /*
* Finally dump the task struct. Not be used by gdb, but
* could be useful
*/
set_fs(KERNEL_DS); set_fs(KERNEL_DS);
DUMP_WRITE(current,sizeof(*current)); DUMP_WRITE(current, sizeof(*current));
end_coredump: end_coredump:
set_fs(fs); set_fs(fs);
return has_dumped; return has_dumped;
@@ -217,35 +235,34 @@ end_coredump:
*/ */
static u32 __user *create_aout_tables(char __user *p, struct linux_binprm *bprm) static u32 __user *create_aout_tables(char __user *p, struct linux_binprm *bprm)
{ {
u32 __user *argv; u32 __user *argv, *envp, *sp;
u32 __user *envp; int argc = bprm->argc, envc = bprm->envc;
u32 __user *sp;
int argc = bprm->argc;
int envc = bprm->envc;
sp = (u32 __user *) ((-(unsigned long)sizeof(u32)) & (unsigned long) p); sp = (u32 __user *) ((-(unsigned long)sizeof(u32)) & (unsigned long) p);
sp -= envc+1; sp -= envc+1;
envp = sp; envp = sp;
sp -= argc+1; sp -= argc+1;
argv = sp; argv = sp;
put_user((unsigned long) envp,--sp); put_user((unsigned long) envp, --sp);
put_user((unsigned long) argv,--sp); put_user((unsigned long) argv, --sp);
put_user(argc,--sp); put_user(argc, --sp);
current->mm->arg_start = (unsigned long) p; current->mm->arg_start = (unsigned long) p;
while (argc-->0) { while (argc-- > 0) {
char c; char c;
put_user((u32)(unsigned long)p,argv++);
put_user((u32)(unsigned long)p, argv++);
do { do {
get_user(c,p++); get_user(c, p++);
} while (c); } while (c);
} }
put_user(0, argv); put_user(0, argv);
current->mm->arg_end = current->mm->env_start = (unsigned long) p; current->mm->arg_end = current->mm->env_start = (unsigned long) p;
while (envc-->0) { while (envc-- > 0) {
char c; char c;
put_user((u32)(unsigned long)p,envp++);
put_user((u32)(unsigned long)p, envp++);
do { do {
get_user(c,p++); get_user(c, p++);
} while (c); } while (c);
} }
put_user(0, envp); put_user(0, envp);
@@ -257,20 +274,18 @@ static u32 __user *create_aout_tables(char __user *p, struct linux_binprm *bprm)
* These are the functions used to load a.out style executables and shared * These are the functions used to load a.out style executables and shared
* libraries. There is no binary dependent code anywhere else. * libraries. There is no binary dependent code anywhere else.
*/ */
static int load_aout_binary(struct linux_binprm *bprm, struct pt_regs *regs)
static int load_aout_binary(struct linux_binprm * bprm, struct pt_regs * regs)
{ {
unsigned long error, fd_offset, rlim;
struct exec ex; struct exec ex;
unsigned long error;
unsigned long fd_offset;
unsigned long rlim;
int retval; int retval;
ex = *((struct exec *) bprm->buf); /* exec-header */ ex = *((struct exec *) bprm->buf); /* exec-header */
if ((N_MAGIC(ex) != ZMAGIC && N_MAGIC(ex) != OMAGIC && if ((N_MAGIC(ex) != ZMAGIC && N_MAGIC(ex) != OMAGIC &&
N_MAGIC(ex) != QMAGIC && N_MAGIC(ex) != NMAGIC) || N_MAGIC(ex) != QMAGIC && N_MAGIC(ex) != NMAGIC) ||
N_TRSIZE(ex) || N_DRSIZE(ex) || N_TRSIZE(ex) || N_DRSIZE(ex) ||
i_size_read(bprm->file->f_path.dentry->d_inode) < ex.a_text+ex.a_data+N_SYMSIZE(ex)+N_TXTOFF(ex)) { i_size_read(bprm->file->f_path.dentry->d_inode) <
ex.a_text+ex.a_data+N_SYMSIZE(ex)+N_TXTOFF(ex)) {
return -ENOEXEC; return -ENOEXEC;
} }
@@ -291,13 +306,13 @@ static int load_aout_binary(struct linux_binprm * bprm, struct pt_regs * regs)
if (retval) if (retval)
return retval; return retval;
regs->cs = __USER32_CS; regs->cs = __USER32_CS;
regs->r8 = regs->r9 = regs->r10 = regs->r11 = regs->r12 = regs->r8 = regs->r9 = regs->r10 = regs->r11 = regs->r12 =
regs->r13 = regs->r14 = regs->r15 = 0; regs->r13 = regs->r14 = regs->r15 = 0;
/* OK, This is the point of no return */ /* OK, This is the point of no return */
set_personality(PER_LINUX); set_personality(PER_LINUX);
set_thread_flag(TIF_IA32); set_thread_flag(TIF_IA32);
clear_thread_flag(TIF_ABI_PENDING); clear_thread_flag(TIF_ABI_PENDING);
current->mm->end_code = ex.a_text + current->mm->end_code = ex.a_text +
@@ -311,7 +326,7 @@ static int load_aout_binary(struct linux_binprm * bprm, struct pt_regs * regs)
current->mm->mmap = NULL; current->mm->mmap = NULL;
compute_creds(bprm); compute_creds(bprm);
current->flags &= ~PF_FORKNOEXEC; current->flags &= ~PF_FORKNOEXEC;
if (N_MAGIC(ex) == OMAGIC) { if (N_MAGIC(ex) == OMAGIC) {
unsigned long text_addr, map_size; unsigned long text_addr, map_size;
@@ -338,30 +353,30 @@ static int load_aout_binary(struct linux_binprm * bprm, struct pt_regs * regs)
send_sig(SIGKILL, current, 0); send_sig(SIGKILL, current, 0);
return error; return error;
} }
flush_icache_range(text_addr, text_addr+ex.a_text+ex.a_data); flush_icache_range(text_addr, text_addr+ex.a_text+ex.a_data);
} else { } else {
#ifdef WARN_OLD #ifdef WARN_OLD
static unsigned long error_time, error_time2; static unsigned long error_time, error_time2;
if ((ex.a_text & 0xfff || ex.a_data & 0xfff) && if ((ex.a_text & 0xfff || ex.a_data & 0xfff) &&
(N_MAGIC(ex) != NMAGIC) && (jiffies-error_time2) > 5*HZ) (N_MAGIC(ex) != NMAGIC) && (jiffies-error_time2) > 5*HZ) {
{
printk(KERN_NOTICE "executable not page aligned\n"); printk(KERN_NOTICE "executable not page aligned\n");
error_time2 = jiffies; error_time2 = jiffies;
} }
if ((fd_offset & ~PAGE_MASK) != 0 && if ((fd_offset & ~PAGE_MASK) != 0 &&
(jiffies-error_time) > 5*HZ) (jiffies - error_time) > 5*HZ) {
{ printk(KERN_WARNING
printk(KERN_WARNING "fd_offset is not page aligned. Please convert "
"fd_offset is not page aligned. Please convert program: %s\n", "program: %s\n",
bprm->file->f_path.dentry->d_name.name); bprm->file->f_path.dentry->d_name.name);
error_time = jiffies; error_time = jiffies;
} }
#endif #endif
if (!bprm->file->f_op->mmap||((fd_offset & ~PAGE_MASK) != 0)) { if (!bprm->file->f_op->mmap || (fd_offset & ~PAGE_MASK) != 0) {
loff_t pos = fd_offset; loff_t pos = fd_offset;
down_write(&current->mm->mmap_sem); down_write(&current->mm->mmap_sem);
do_brk(N_TXTADDR(ex), ex.a_text+ex.a_data); do_brk(N_TXTADDR(ex), ex.a_text+ex.a_data);
up_write(&current->mm->mmap_sem); up_write(&current->mm->mmap_sem);
@@ -376,9 +391,10 @@ static int load_aout_binary(struct linux_binprm * bprm, struct pt_regs * regs)
down_write(&current->mm->mmap_sem); down_write(&current->mm->mmap_sem);
error = do_mmap(bprm->file, N_TXTADDR(ex), ex.a_text, error = do_mmap(bprm->file, N_TXTADDR(ex), ex.a_text,
PROT_READ | PROT_EXEC, PROT_READ | PROT_EXEC,
MAP_FIXED | MAP_PRIVATE | MAP_DENYWRITE | MAP_EXECUTABLE | MAP_32BIT, MAP_FIXED | MAP_PRIVATE | MAP_DENYWRITE |
fd_offset); MAP_EXECUTABLE | MAP_32BIT,
fd_offset);
up_write(&current->mm->mmap_sem); up_write(&current->mm->mmap_sem);
if (error != N_TXTADDR(ex)) { if (error != N_TXTADDR(ex)) {
@@ -387,9 +403,10 @@ static int load_aout_binary(struct linux_binprm * bprm, struct pt_regs * regs)
} }
down_write(&current->mm->mmap_sem); down_write(&current->mm->mmap_sem);
error = do_mmap(bprm->file, N_DATADDR(ex), ex.a_data, error = do_mmap(bprm->file, N_DATADDR(ex), ex.a_data,
PROT_READ | PROT_WRITE | PROT_EXEC, PROT_READ | PROT_WRITE | PROT_EXEC,
MAP_FIXED | MAP_PRIVATE | MAP_DENYWRITE | MAP_EXECUTABLE | MAP_32BIT, MAP_FIXED | MAP_PRIVATE | MAP_DENYWRITE |
MAP_EXECUTABLE | MAP_32BIT,
fd_offset + ex.a_text); fd_offset + ex.a_text);
up_write(&current->mm->mmap_sem); up_write(&current->mm->mmap_sem);
if (error != N_DATADDR(ex)) { if (error != N_DATADDR(ex)) {
@@ -403,9 +420,9 @@ beyond_if:
set_brk(current->mm->start_brk, current->mm->brk); set_brk(current->mm->start_brk, current->mm->brk);
retval = setup_arg_pages(bprm, IA32_STACK_TOP, EXSTACK_DEFAULT); retval = setup_arg_pages(bprm, IA32_STACK_TOP, EXSTACK_DEFAULT);
if (retval < 0) { if (retval < 0) {
/* Someone check-me: is this error path enough? */ /* Someone check-me: is this error path enough? */
send_sig(SIGKILL, current, 0); send_sig(SIGKILL, current, 0);
return retval; return retval;
} }
@@ -414,7 +431,7 @@ beyond_if:
/* start thread */ /* start thread */
asm volatile("movl %0,%%fs" :: "r" (0)); \ asm volatile("movl %0,%%fs" :: "r" (0)); \
asm volatile("movl %0,%%es; movl %0,%%ds": :"r" (__USER32_DS)); asm volatile("movl %0,%%es; movl %0,%%ds": :"r" (__USER32_DS));
load_gs_index(0); load_gs_index(0);
(regs)->rip = ex.a_entry; (regs)->rip = ex.a_entry;
(regs)->rsp = current->mm->start_stack; (regs)->rsp = current->mm->start_stack;
(regs)->eflags = 0x200; (regs)->eflags = 0x200;
@@ -425,7 +442,7 @@ beyond_if:
set_fs(USER_DS); set_fs(USER_DS);
if (unlikely(current->ptrace & PT_PTRACED)) { if (unlikely(current->ptrace & PT_PTRACED)) {
if (current->ptrace & PT_TRACE_EXEC) if (current->ptrace & PT_TRACE_EXEC)
ptrace_notify ((PTRACE_EVENT_EXEC << 8) | SIGTRAP); ptrace_notify((PTRACE_EVENT_EXEC << 8) | SIGTRAP);
else else
send_sig(SIGTRAP, current, 0); send_sig(SIGTRAP, current, 0);
} }
@@ -434,9 +451,8 @@ beyond_if:
static int load_aout_library(struct file *file) static int load_aout_library(struct file *file)
{ {
struct inode * inode; struct inode *inode;
unsigned long bss, start_addr, len; unsigned long bss, start_addr, len, error;
unsigned long error;
int retval; int retval;
struct exec ex; struct exec ex;
@@ -450,7 +466,8 @@ static int load_aout_library(struct file *file)
/* We come in here for the regular a.out style of shared libraries */ /* We come in here for the regular a.out style of shared libraries */
if ((N_MAGIC(ex) != ZMAGIC && N_MAGIC(ex) != QMAGIC) || N_TRSIZE(ex) || if ((N_MAGIC(ex) != ZMAGIC && N_MAGIC(ex) != QMAGIC) || N_TRSIZE(ex) ||
N_DRSIZE(ex) || ((ex.a_entry & 0xfff) && N_MAGIC(ex) == ZMAGIC) || N_DRSIZE(ex) || ((ex.a_entry & 0xfff) && N_MAGIC(ex) == ZMAGIC) ||
i_size_read(inode) < ex.a_text+ex.a_data+N_SYMSIZE(ex)+N_TXTOFF(ex)) { i_size_read(inode) <
ex.a_text+ex.a_data+N_SYMSIZE(ex)+N_TXTOFF(ex)) {
goto out; goto out;
} }
@@ -467,10 +484,10 @@ static int load_aout_library(struct file *file)
#ifdef WARN_OLD #ifdef WARN_OLD
static unsigned long error_time; static unsigned long error_time;
if ((jiffies-error_time) > 5*HZ) if ((jiffies-error_time) > 5*HZ) {
{ printk(KERN_WARNING
printk(KERN_WARNING "N_TXTOFF is not page aligned. Please convert "
"N_TXTOFF is not page aligned. Please convert library: %s\n", "library: %s\n",
file->f_path.dentry->d_name.name); file->f_path.dentry->d_name.name);
error_time = jiffies; error_time = jiffies;
} }
@@ -478,11 +495,12 @@ static int load_aout_library(struct file *file)
down_write(&current->mm->mmap_sem); down_write(&current->mm->mmap_sem);
do_brk(start_addr, ex.a_text + ex.a_data + ex.a_bss); do_brk(start_addr, ex.a_text + ex.a_data + ex.a_bss);
up_write(&current->mm->mmap_sem); up_write(&current->mm->mmap_sem);
file->f_op->read(file, (char __user *)start_addr, file->f_op->read(file, (char __user *)start_addr,
ex.a_text + ex.a_data, &pos); ex.a_text + ex.a_data, &pos);
flush_icache_range((unsigned long) start_addr, flush_icache_range((unsigned long) start_addr,
(unsigned long) start_addr + ex.a_text + ex.a_data); (unsigned long) start_addr + ex.a_text +
ex.a_data);
retval = 0; retval = 0;
goto out; goto out;