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CARP: *BREAKPOINT*

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Convert mn10300, MIPS and powerpc/rs6000 targets to use
BREAKPOINT_FROM_PC
Delete global variable memory_breakpoint_size.  Use BREAKPOINT_FROM_PC
instead.
This commit is contained in:
Andrew Cagney 1998-11-24 13:49:00 +00:00
parent fbf1f3f1f6
commit afcad54a90
9 changed files with 123 additions and 28 deletions
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19
gdb/rs6000-tdep.c
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@ -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. */