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authorDavid S. Miller <davem@sunset.davemloft.net>2006-04-01 23:28:10 -0800
committerDavid S. Miller <davem@sunset.davemloft.net>2006-04-09 22:56:35 -0700
commit1759e58ed2684b7a01cbb96864f23d18884f42ba (patch)
treee9c876d47c36093c3eb74456cbeb6b2f8cd69dbf /arch/sparc64
parent67644726317a8274be4a3d0ef85b9ccebaa90304 (diff)
[SPARC64]: Add dummy PTRACE_PEEKUSR for gdb.
GDB uses a PTRACE_PEEKUSR call with offset 0 to see if a thread is alive, so provide a success return for this particular special case. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc64')
-rw-r--r--arch/sparc64/kernel/ptrace.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/sparc64/kernel/ptrace.c b/arch/sparc64/kernel/ptrace.c
index eb93e9c5284..c910af5e253 100644
--- a/arch/sparc64/kernel/ptrace.c
+++ b/arch/sparc64/kernel/ptrace.c
@@ -244,6 +244,13 @@ asmlinkage void do_ptrace(struct pt_regs *regs)
}
switch(request) {
+ case PTRACE_PEEKUSR:
+ if (addr != 0)
+ pt_error_return(regs, EIO);
+ else
+ pt_succ_return(regs, 0);
+ goto out_tsk;
+
case PTRACE_PEEKTEXT: /* read word at location addr. */
case PTRACE_PEEKDATA: {
unsigned long tmp64;