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sparc: Fix ptrace() detach.

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Forever we had a PTRACE_SUNOS_DETACH which was unconditionally
recognized, regardless of the personality of the process.

Unfortunately, this value is what ended up in the GLIBC sys/ptrace.h
header file on sparc as PTRACE_DETACH and PT_DETACH.

So continue to recognize this old value.  Luckily, it doesn't conflict
with anything we actually care about.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2008-05-10 21:11:23 -07:00
parent c07c6053c4
commit 986bef854f
4 changed files with 8 additions and 0 deletions
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2
arch/sparc/kernel/ptrace.c
View File

@ -441,6 +441,8 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
break;
default:
if (request == PTRACE_SPARC_DETACH)
request = PTRACE_DETACH;
ret = ptrace_request(child, request, addr, data);
break;
}

4
arch/sparc64/kernel/ptrace.c
View File

@ -944,6 +944,8 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
break;
default:
if (request == PTRACE_SPARC_DETACH)
request = PTRACE_DETACH;
ret = compat_ptrace_request(child, request, addr, data);
break;
}
@ -1036,6 +1038,8 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
break;
default:
if (request == PTRACE_SPARC_DETACH)
request = PTRACE_DETACH;
ret = ptrace_request(child, request, addr, data);
break;
}

1
include/asm-sparc/ptrace.h
View File

@ -149,6 +149,7 @@ extern void show_regs(struct pt_regs *);
#define SF_XXARG 0x5c
/* Stuff for the ptrace system call */
#define PTRACE_SPARC_DETACH 11
#define PTRACE_GETREGS 12
#define PTRACE_SETREGS 13
#define PTRACE_GETFPREGS 14

1
include/asm-sparc64/ptrace.h
View File

@ -298,6 +298,7 @@ extern void __show_regs(struct pt_regs *);
#define SF_XXARG 0x5c
/* Stuff for the ptrace system call */
#define PTRACE_SPARC_DETACH 11
#define PTRACE_GETREGS 12
#define PTRACE_SETREGS 13
#define PTRACE_GETFPREGS 14