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authorJim Blandy <jimb@codesourcery.com>2003-06-10 16:24:48 +0000
committerJim Blandy <jimb@codesourcery.com>2003-06-10 16:24:48 +0000
commitceac2594572096f59c755c2e0cd50b440d52d075 (patch)
tree6f7e3a78354042b47efc3e4e82a96df4eb97a933
parent8c5580b8c37aeb6b355ef9472e04ea125cb40828 (diff)
downloadgdb-ceac2594572096f59c755c2e0cd50b440d52d075.tar.gz
* ppc-linux-nat.c (ppc_register_u_addr): Correctly compute u-area
register offsets for both the 32- and 64-bit interfaces.
-rw-r--r--gdb/ChangeLog5
-rw-r--r--gdb/ppc-linux-nat.c25
2 files changed, 19 insertions, 11 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 2a470ca0e5b..a9d531795da 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2003-06-10 Jim Blandy <jimb@redhat.com>
+
+ * ppc-linux-nat.c (ppc_register_u_addr): Correctly compute u-area
+ register offsets for both the 32- and 64-bit interfaces.
+
2003-06-06 Jim Blandy <jimb@redhat.com>
* ppc-linux-tdep.c (ppc64_call_dummy_address): New function.
diff --git a/gdb/ppc-linux-nat.c b/gdb/ppc-linux-nat.c
index e1649197e8f..d0bff2ef7bd 100644
--- a/gdb/ppc-linux-nat.c
+++ b/gdb/ppc-linux-nat.c
@@ -127,34 +127,37 @@ ppc_register_u_addr (int regno)
{
int u_addr = -1;
struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
+ int wordsize = tdep->wordsize;
/* 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) * 4);
+ u_addr = ((PT_R0 + regno) * wordsize);
- /* Floating point regs: 2 slots each */
+ /* Floating point regs: eight bytes each in both 32- and 64-bit
+ ptrace interfaces. Thus, two slots each in 32-bit interface, one
+ slot each in 64-bit interface. */
if (regno >= FP0_REGNUM && regno <= FPLAST_REGNUM)
- u_addr = ((PT_FPR0 + (regno - FP0_REGNUM) * 2) * 4);
+ u_addr = (PT_FPR0 * wordsize) + ((regno - FP0_REGNUM) * 8);
/* UISA special purpose registers: 1 slot each */
if (regno == PC_REGNUM)
- u_addr = PT_NIP * 4;
+ u_addr = PT_NIP * wordsize;
if (regno == tdep->ppc_lr_regnum)
- u_addr = PT_LNK * 4;
+ u_addr = PT_LNK * wordsize;
if (regno == tdep->ppc_cr_regnum)
- u_addr = PT_CCR * 4;
+ u_addr = PT_CCR * wordsize;
if (regno == tdep->ppc_xer_regnum)
- u_addr = PT_XER * 4;
+ u_addr = PT_XER * wordsize;
if (regno == tdep->ppc_ctr_regnum)
- u_addr = PT_CTR * 4;
+ u_addr = PT_CTR * wordsize;
#ifdef PT_MQ
if (regno == tdep->ppc_mq_regnum)
- u_addr = PT_MQ * 4;
+ u_addr = PT_MQ * wordsize;
#endif
if (regno == tdep->ppc_ps_regnum)
- u_addr = PT_MSR * 4;
+ u_addr = PT_MSR * wordsize;
if (regno == tdep->ppc_fpscr_regnum)
- u_addr = PT_FPSCR * 4;
+ u_addr = PT_FPSCR * wordsize;
return u_addr;
}