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-rw-r--r--gdb/ppc-linux-nat.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/gdb/ppc-linux-nat.c b/gdb/ppc-linux-nat.c
index a8eb7b6e002..b869ad0b2a2 100644
--- a/gdb/ppc-linux-nat.c
+++ b/gdb/ppc-linux-nat.c
@@ -133,7 +133,7 @@ ppc_register_u_addr (int regno)
/* General purpose registers occupy 1 slot each in the buffer */
if (regno >= tdep->ppc_gp0_regnum && regno <= tdep->ppc_gplast_regnum )
- u_addr = ((PT_R0 + regno) * wordsize);
+ u_addr = ((regno - tdep->ppc_gp0_regnum + PT_R0) * wordsize);
/* Floating point regs: eight bytes each in both 32- and 64-bit
ptrace interfaces. Thus, two slots each in 32-bit interface, one