aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorKevin Buettner <kevinb@redhat.com>2002-04-12 19:48:37 +0000
committerKevin Buettner <kevinb@redhat.com>2002-04-12 19:48:37 +0000
commita88376a3e1a5e2358f568a4a7aed6d4d99e1e87a (patch)
treed8e562d91ab3ab5adfb8ee60cce770ae0233b9fb
parentf2172603b59bfb14b2d7eb82427b4a328150ea29 (diff)
downloadgdb-a88376a3e1a5e2358f568a4a7aed6d4d99e1e87a.zip
gdb-a88376a3e1a5e2358f568a4a7aed6d4d99e1e87a.tar.gz
gdb-a88376a3e1a5e2358f568a4a7aed6d4d99e1e87a.tar.bz2
Delete DEFAULT_LR_SAVE.
-rw-r--r--gdb/ChangeLog9
-rw-r--r--gdb/config/powerpc/tm-ppc-eabi.h3
-rw-r--r--gdb/config/rs6000/tm-rs6000.h3
-rw-r--r--gdb/ppc-tdep.h2
-rw-r--r--gdb/rs6000-tdep.c15
5 files changed, 23 insertions, 9 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index d3fa62e..aa4b1db 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,12 @@
+2002-04-12 Kevin Buettner <kevinb@redhat.com>
+
+ * ppc-tdep.h (struct gdbarch_tdep): Add new member ``lr_frame_offset''.
+ * rs6000-tdep.c (rs6000_frame_saved_pc): Use ``lr_frame_offset''
+ from tdep struct instead of DEFAULT_LR_SAVE.
+ (rs6000_gdbarch_init): Initialize ``lr_frame_offset''.
+ * config/powerpc/tm-ppc-eabi.h (DEFAULT_LR_SAVE): Delete.
+ * config/rs6000/tm-rs6000.h (DEFAULT_LR_SAVE): Delete.
+
2002-04-12 Michael Snyder <msnyder@redhat.com>
* source.c: White space fix-up.
diff --git a/gdb/config/powerpc/tm-ppc-eabi.h b/gdb/config/powerpc/tm-ppc-eabi.h
index 1e6a053..e49b2bd 100644
--- a/gdb/config/powerpc/tm-ppc-eabi.h
+++ b/gdb/config/powerpc/tm-ppc-eabi.h
@@ -28,9 +28,6 @@
#undef SOFTWARE_SINGLE_STEP_P
#define SOFTWARE_SINGLE_STEP_P() 0
-#undef DEFAULT_LR_SAVE
-#define DEFAULT_LR_SAVE 4 /* eabi saves LR at 4 off of SP */
-
#undef PROCESS_LINENUMBER_HOOK
#undef TEXT_SEGMENT_BASE
diff --git a/gdb/config/rs6000/tm-rs6000.h b/gdb/config/rs6000/tm-rs6000.h
index 015a592..202ac77 100644
--- a/gdb/config/rs6000/tm-rs6000.h
+++ b/gdb/config/rs6000/tm-rs6000.h
@@ -93,9 +93,6 @@ extern void aix_process_linenos (void);
prev->next ? FRAME_SAVED_PC (prev->next) : read_pc ());
#define INIT_FRAME_PC(fromleaf, prev) /* nothing */
-/* Default offset from SP where the LR is stored */
-#define DEFAULT_LR_SAVE 8
-
/* Flag for machine-specific stuff in shared files. FIXME */
#define IBM6000_TARGET
diff --git a/gdb/ppc-tdep.h b/gdb/ppc-tdep.h
index ec64514..5dc2db2 100644
--- a/gdb/ppc-tdep.h
+++ b/gdb/ppc-tdep.h
@@ -67,6 +67,8 @@ struct gdbarch_tdep
int ppc_mq_regnum; /* Multiply/Divide extension register */
int ppc_vr0_regnum; /* First AltiVec register */
int ppc_vrsave_regnum; /* Last AltiVec register */
+ int lr_frame_offset; /* Offset to ABI specific location where
+ link register is saved. */
};
#endif
diff --git a/gdb/rs6000-tdep.c b/gdb/rs6000-tdep.c
index 86c07f4..f1649d0 100644
--- a/gdb/rs6000-tdep.c
+++ b/gdb/rs6000-tdep.c
@@ -1319,7 +1319,8 @@ rs6000_frame_saved_pc (struct frame_info *fi)
{
CORE_ADDR func_start;
struct rs6000_framedata fdata;
- int wordsize = TDEP->wordsize;
+ struct gdbarch_tdep *tdep = TDEP;
+ int wordsize = tdep->wordsize;
if (fi->signal_handler_caller)
return read_memory_addr (fi->frame + SIG_FRAME_PC_OFFSET, wordsize);
@@ -1342,7 +1343,7 @@ rs6000_frame_saved_pc (struct frame_info *fi)
return read_memory_addr (fi->next->frame + SIG_FRAME_LR_OFFSET,
wordsize);
else
- return read_memory_addr (FRAME_CHAIN (fi) + DEFAULT_LR_SAVE,
+ return read_memory_addr (FRAME_CHAIN (fi) + tdep->lr_frame_offset,
wordsize);
}
@@ -2585,7 +2586,15 @@ rs6000_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
break;
}
- /* Calculate byte offsets in raw register array. */
+ /* Set lr_frame_offset. */
+ if (wordsize == 8)
+ tdep->lr_frame_offset = 16;
+ else if (sysv_abi)
+ tdep->lr_frame_offset = 4;
+ else
+ tdep->lr_frame_offset = 8;
+
+ /* Calculate byte offsets in raw register array. */
tdep->regoff = xmalloc (v->nregs * sizeof (int));
for (i = off = 0; i < v->nregs; i++)
{