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sim: bfin: add exhaustive parallel-insn tests
[deliverable/binutils-gdb.git]
/
gdb
/
mem-break.c
diff --git
a/gdb/mem-break.c
b/gdb/mem-break.c
index 57c8a2338bf1ce0178e3a6473bd19ced73f86b69..bd34fb2df1499fd60b1f9c22570b15429f6af291 100644
(file)
--- a/
gdb/mem-break.c
+++ b/
gdb/mem-break.c
@@
-1,7
+1,7
@@
/* Simulate breakpoints by patching locations in the target system, for GDB.
/* Simulate breakpoints by patching locations in the target system, for GDB.
- Copyright (C) 1990
, 1991, 1992, 1993, 1995, 1997, 1998, 1999, 2000, 2002,
-
2007, 2008, 2009, 2010 Free
Software Foundation, Inc.
+ Copyright (C) 1990
-1993, 1995, 1997-2000, 2002, 2007-2012 Free
+ Software Foundation, Inc.
Contributed by Cygnus Support. Written by John Gilmore.
Contributed by Cygnus Support. Written by John Gilmore.
@@
-29,6
+29,7
@@
#include "breakpoint.h"
#include "inferior.h"
#include "target.h"
#include "breakpoint.h"
#include "inferior.h"
#include "target.h"
+#include "gdb_string.h"
/* Insert a breakpoint on targets that don't have any better
/* Insert a breakpoint on targets that don't have any better
@@
-46,6
+47,7
@@
default_memory_insert_breakpoint (struct gdbarch *gdbarch,
{
int val;
const unsigned char *bp;
{
int val;
const unsigned char *bp;
+ gdb_byte *readbuf;
/* Determine appropriate breakpoint contents and size for this address. */
bp = gdbarch_breakpoint_from_pc
/* Determine appropriate breakpoint contents and size for this address. */
bp = gdbarch_breakpoint_from_pc
@@
-53,15
+55,18
@@
default_memory_insert_breakpoint (struct gdbarch *gdbarch,
if (bp == NULL)
error (_("Software breakpoints not implemented for this target."));
if (bp == NULL)
error (_("Software breakpoints not implemented for this target."));
- /* Save the memory contents. */
+ /* Save the memory contents in the shadow_contents buffer and then
+ write the breakpoint instruction. */
bp_tgt->shadow_len = bp_tgt->placed_size;
bp_tgt->shadow_len = bp_tgt->placed_size;
- val = target_read_memory (bp_tgt->placed_address, bp_tgt->shadow_contents,
+ readbuf = alloca (bp_tgt->placed_size);
+ val = target_read_memory (bp_tgt->placed_address, readbuf,
bp_tgt->placed_size);
bp_tgt->placed_size);
-
- /* Write the breakpoint. */
if (val == 0)
if (val == 0)
- val = target_write_memory (bp_tgt->placed_address, bp,
- bp_tgt->placed_size);
+ {
+ memcpy (bp_tgt->shadow_contents, readbuf, bp_tgt->placed_size);
+ val = target_write_raw_memory (bp_tgt->placed_address, bp,
+ bp_tgt->placed_size);
+ }
return val;
}
return val;
}
@@
-71,8
+76,8
@@
int
default_memory_remove_breakpoint (struct gdbarch *gdbarch,
struct bp_target_info *bp_tgt)
{
default_memory_remove_breakpoint (struct gdbarch *gdbarch,
struct bp_target_info *bp_tgt)
{
- return target_write_memory (bp_tgt->placed_address, bp_tgt->shadow_contents,
- bp_tgt->placed_size);
+ return target_write_
raw_
memory (bp_tgt->placed_address, bp_tgt->shadow_contents,
+
bp_tgt->placed_size);
}
}
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