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yaml
---
r: 340248
b: refs/heads/master
c: eb48ffc
h: refs/heads/master
v: v3
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Al Viro committed Oct 16, 2012
1 parent 5408c09 commit 2b63ea9
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Showing 7 changed files with 13 additions and 72 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 2f12af35a988082700373acdebe049dfebaf49b6
refs/heads/master: eb48ffcf0e55e511ae87e9d99117d5e2b9e27153
2 changes: 2 additions & 0 deletions trunk/arch/sparc/include/asm/syscalls.h
Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,8 @@ extern asmlinkage long sparc_do_fork(unsigned long clone_flags,
struct pt_regs *regs,
unsigned long stack_size);

#ifndef __arch64__
extern asmlinkage int sparc_execve(struct pt_regs *regs);
#endif

#endif /* _SPARC64_SYSCALLS_H */
1 change: 1 addition & 0 deletions trunk/arch/sparc/include/asm/unistd.h
Original file line number Diff line number Diff line change
Expand Up @@ -45,6 +45,7 @@
#define __ARCH_WANT_COMPAT_SYS_TIME
#define __ARCH_WANT_COMPAT_SYS_RT_SIGSUSPEND
#define __ARCH_WANT_COMPAT_SYS_SENDFILE
#define __ARCH_WANT_SYS_EXECVE
#endif

/*
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29 changes: 0 additions & 29 deletions trunk/arch/sparc/kernel/process_64.c
Original file line number Diff line number Diff line change
Expand Up @@ -667,35 +667,6 @@ int dump_fpu (struct pt_regs * regs, elf_fpregset_t * fpregs)
}
EXPORT_SYMBOL(dump_fpu);

/*
* sparc_execve() executes a new program after the asm stub has set
* things up for us. This should basically do what I want it to.
*/
asmlinkage int sparc_execve(struct pt_regs *regs)
{
int error, base = 0;
struct filename *filename;

/* User register window flush is done by entry.S */

/* Check for indirect call. */
if (regs->u_regs[UREG_G1] == 0)
base = 1;

filename = getname((char __user *)regs->u_regs[base + UREG_I0]);
error = PTR_ERR(filename);
if (IS_ERR(filename))
goto out;
error = do_execve(filename->name,
(const char __user *const __user *)
regs->u_regs[base + UREG_I1],
(const char __user *const __user *)
regs->u_regs[base + UREG_I2], regs);
putname(filename);
out:
return error;
}

unsigned long get_wchan(struct task_struct *task)
{
unsigned long pc, fp, bias = 0;
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29 changes: 0 additions & 29 deletions trunk/arch/sparc/kernel/sys_sparc32.c
Original file line number Diff line number Diff line change
Expand Up @@ -396,35 +396,6 @@ asmlinkage long compat_sys_rt_sigaction(int sig,
return ret;
}

/*
* sparc32_execve() executes a new program after the asm stub has set
* things up for us. This should basically do what I want it to.
*/
asmlinkage long sparc32_execve(struct pt_regs *regs)
{
int error, base = 0;
struct filename *filename;

/* User register window flush is done by entry.S */

/* Check for indirect call. */
if ((u32)regs->u_regs[UREG_G1] == 0)
base = 1;

filename = getname(compat_ptr(regs->u_regs[base + UREG_I0]));
error = PTR_ERR(filename);
if (IS_ERR(filename))
goto out;

error = compat_do_execve(filename->name,
compat_ptr(regs->u_regs[base + UREG_I1]),
compat_ptr(regs->u_regs[base + UREG_I2]), regs);

putname(filename);
out:
return error;
}

#ifdef CONFIG_MODULES

asmlinkage long sys32_init_module(void __user *umod, u32 len,
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20 changes: 8 additions & 12 deletions trunk/arch/sparc/kernel/syscalls.S
Original file line number Diff line number Diff line change
@@ -1,23 +1,19 @@
/* SunOS's execv() call only specifies the argv argument, the
* environment settings are the same as the calling processes.
*/
sys_execve:
sethi %hi(sparc_execve), %g1
ba,pt %xcc, execve_merge
or %g1, %lo(sparc_execve), %g1
sys64_execve:
set sys_execve, %g1
jmpl %g1, %g0
flushw

#ifdef CONFIG_COMPAT
sunos_execv:
stx %g0, [%sp + PTREGS_OFF + PT_V9_I2]
mov %g0, %o2
sys32_execve:
sethi %hi(sparc32_execve), %g1
or %g1, %lo(sparc32_execve), %g1
#endif

execve_merge:
flushw
set compat_sys_execve, %g1
jmpl %g1, %g0
add %sp, PTREGS_OFF, %o0
flushw
#endif

.align 32
sys_sparc_pipe:
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2 changes: 1 addition & 1 deletion trunk/arch/sparc/kernel/systbls_64.S
Original file line number Diff line number Diff line change
Expand Up @@ -106,7 +106,7 @@ sys_call_table:
/*40*/ .word sys_newlstat, sys_dup, sys_sparc_pipe, sys_times, sys_nis_syscall
.word sys_umount, sys_setgid, sys_getgid, sys_signal, sys_geteuid
/*50*/ .word sys_getegid, sys_acct, sys_memory_ordering, sys_nis_syscall, sys_ioctl
.word sys_reboot, sys_nis_syscall, sys_symlink, sys_readlink, sys_execve
.word sys_reboot, sys_nis_syscall, sys_symlink, sys_readlink, sys64_execve
/*60*/ .word sys_umask, sys_chroot, sys_newfstat, sys_fstat64, sys_getpagesize
.word sys_msync, sys_vfork, sys_pread64, sys_pwrite64, sys_nis_syscall
/*70*/ .word sys_nis_syscall, sys_mmap, sys_nis_syscall, sys_64_munmap, sys_mprotect
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