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authorAndrew Cagney <cagney@redhat.com>1998-11-24 13:49:00 +0000
committerAndrew Cagney <cagney@redhat.com>1998-11-24 13:49:00 +0000
commitafcad54a90445ba65ca91b13341b75facc96521c (patch)
treefc90a9c47d68bdf243ba26027fc7e27283c9660d /gdb/rs6000-tdep.c
parentfbf1f3f1f6982710c5e379679ac4f18e795aeeb7 (diff)
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CARP: *BREAKPOINT*
Convert mn10300, MIPS and powerpc/rs6000 targets to use BREAKPOINT_FROM_PC Delete global variable memory_breakpoint_size. Use BREAKPOINT_FROM_PC instead.
Diffstat (limited to 'gdb/rs6000-tdep.c')
-rw-r--r--gdb/rs6000-tdep.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/gdb/rs6000-tdep.c b/gdb/rs6000-tdep.c
index 346b26c..36f5f61 100644
--- a/gdb/rs6000-tdep.c
+++ b/gdb/rs6000-tdep.c
@@ -134,6 +134,25 @@ branch_dest (opcode, instr, pc, safety)
}
+/* Sequence of bytes for breakpoint instruction. */
+
+#define BIG_BREAKPOINT { 0x7d, 0x82, 0x10, 0x08 }
+#define LITTLE_BREAKPOINT { 0x08, 0x10, 0x82, 0x7d }
+
+unsigned char *
+rs6000_breakpoint_from_pc (bp_addr, bp_size)
+ CORE_ADDR *bp_addr;
+ int *bp_size;
+{
+ static unsigned char *big_breakpoint = BIG_BREAKPOINT;
+ static unsigned char *little_breakpoint = LITTLE_BREAKPOINT;
+ *bp_size = 4;
+ if (TARGET_BYTE_ORDER == BIG_ENDIAN)
+ return big_breakpoint;
+ else
+ return little_breakpoint;
+}
+
/* AIX does not support PT_STEP. Simulate it. */