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authorDave Kleikamp <shaggy@austin.ibm.com>2005-06-02 12:12:57 -0500
committerDave Kleikamp <shaggy@austin.ibm.com>2005-06-02 12:12:57 -0500
commit7078253c085c037c070ca4e8bc9e9e7f18aa1e84 (patch)
treeeaf56c1a77b0de6ee82e23cee4433b2c4a47e67e /arch/um/sys-ppc
parent259692bd5a2b2c2d351dd90748ba4126bc2a21b9 (diff)
parent1e86d1c648508fd50e6c9960576b87906a7906ad (diff)
downloadblackbird-op-linux-7078253c085c037c070ca4e8bc9e9e7f18aa1e84.tar.gz
blackbird-op-linux-7078253c085c037c070ca4e8bc9e9e7f18aa1e84.zip
Merge with /home/shaggy/git/linus-clean/
Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com>
Diffstat (limited to 'arch/um/sys-ppc')
-rw-r--r--arch/um/sys-ppc/ptrace.c40
-rw-r--r--arch/um/sys-ppc/sysrq.c14
2 files changed, 41 insertions, 13 deletions
diff --git a/arch/um/sys-ppc/ptrace.c b/arch/um/sys-ppc/ptrace.c
index a971366d3277..8e71b47f2b8e 100644
--- a/arch/um/sys-ppc/ptrace.c
+++ b/arch/um/sys-ppc/ptrace.c
@@ -8,6 +8,25 @@ int putreg(struct task_struct *child, unsigned long regno,
return 0;
}
+int poke_user(struct task_struct *child, long addr, long data)
+{
+ if ((addr & 3) || addr < 0)
+ return -EIO;
+
+ if (addr < MAX_REG_OFFSET)
+ return putreg(child, addr, data);
+
+ else if((addr >= offsetof(struct user, u_debugreg[0])) &&
+ (addr <= offsetof(struct user, u_debugreg[7]))){
+ addr -= offsetof(struct user, u_debugreg[0]);
+ addr = addr >> 2;
+ if((addr == 4) || (addr == 5)) return -EIO;
+ child->thread.arch.debugregs[addr] = data;
+ return 0;
+ }
+ return -EIO;
+}
+
unsigned long getreg(struct task_struct *child, unsigned long regno)
{
unsigned long retval = ~0UL;
@@ -16,6 +35,27 @@ unsigned long getreg(struct task_struct *child, unsigned long regno)
return retval;
}
+int peek_user(struct task_struct *child, long addr, long data)
+{
+ /* read the word at location addr in the USER area. */
+ unsigned long tmp;
+
+ if ((addr & 3) || addr < 0)
+ return -EIO;
+
+ tmp = 0; /* Default return condition */
+ if(addr < MAX_REG_OFFSET){
+ tmp = getreg(child, addr);
+ }
+ else if((addr >= offsetof(struct user, u_debugreg[0])) &&
+ (addr <= offsetof(struct user, u_debugreg[7]))){
+ addr -= offsetof(struct user, u_debugreg[0]);
+ addr = addr >> 2;
+ tmp = child->thread.arch.debugregs[addr];
+ }
+ return put_user(tmp, (unsigned long *) data);
+}
+
/*
* Overrides for Emacs so that we follow Linus's tabbing style.
* Emacs will notice this stuff at the end of the file and automatically
diff --git a/arch/um/sys-ppc/sysrq.c b/arch/um/sys-ppc/sysrq.c
index 82d6e9335bb6..2f816f1a0ff4 100644
--- a/arch/um/sys-ppc/sysrq.c
+++ b/arch/um/sys-ppc/sysrq.c
@@ -27,17 +27,5 @@ void show_regs(struct pt_regs_subarch *regs)
0xffff & regs->xds, 0xffff & regs->xes);
#endif
- show_trace(&regs->gpr[1]);
+ show_trace(current, &regs->gpr[1]);
}
-
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only. This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */
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