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2003-05-15 Andrew Cagney <cagney@redhat.com>

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* arch-utils.h (legacy_breakpoint_from_pc): Delete declaration.
	* target.h (memory_breakpoint_from_pc): Delete declaration.
	* mem-break.c (memory_breakpoint_from_pc): Delete function.
	* arch-utils.c (legacy_breakpoint_from_pc): Delete function.
	* monitor.c (monitor_insert_breakpoint): Use
	gdbarch_breakpoint_from_pc instead of memory_breakpoint_from_pc.
	* gdbarch.sh (BREAKPOINT_FROM_PC): Do not provide a default.
	* gdbarch.h, gdbarch.c: Re-generate.
	* sparc-tdep.c (sparc_breakpoint_from_pc): New function.
	(sparc_gdbarch_init): Set breakpoint_from_pc to
	sparc_breakpoint_from_pc.
	* config/sparc/tm-sparc.h (BREAKPOINT): Delete macro.
	(BREAKPOINT_FROM_PC): Define.
	(sparc_breakpoint_from_pc): Declare.
	* hppa-tdep.c (hppa_breakpoint_from_pc): New function.
	* config/pa/tm-hppa.h (hppa_breakpoint_from_pc): Declare.
	(BREAKPOINT_FROM_PC): Define.
	(BREAKPOINT): Delete macro.
	* target.h: Update comment.
	* s390-tdep.c (s390_gdbarch_init): Update comments.
	* remote.c: Update comments.
	* remote-mips.c: Update comments.
	* proc-api.c (write_with_trace): Do not check for a breakpoint.
	* mem-break.c: Update comment.
	* ia64-tdep.c (IA64_BREAKPOINT): Rename BREAKPOINT.
	(ia64_memory_insert_breakpoint): Update.
	* config/sparc/tm-sparc.h: Update comment.
	* config/pa/tm-hppa64.h: Update comment.
	* rs6000-tdep.c (BIG_BREAKPOINT, LITTLE_BREAKPOINT): Delete macro.
	(rs6000_breakpoint_from_pc): Update.
	* mips-tdep.c (BIG_BREAKPOINT, LITTLE_BREAKPOINT): Delete macro.
	(PMON_BIG_BREAKPOINT, PMON_LITTLE_BREAKPOINT): Delete macro.
	(IDT_LITTLE_BREAKPOINT, IDT_LITTLE_BREAKPOINT): Delete macro.
	(MIPS16_LITTLE_BREAKPOINT, MIPS16_BIG_BREAKPOINT): Delete macro.
	(mips_breakpoint_from_pc): Update.
	(mips_dump_tdep): Update.
This commit is contained in:
Andrew Cagney
2003-05-15 22:58:39 +00:00
parent e06963ffef
commit aaab4dba86
21 changed files with 113 additions and 200 deletions
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47
gdb/mem-break.c
View File

@ -24,7 +24,8 @@
#include "defs.h"
/* This file is only useful if BREAKPOINT is set. If not, we punt. */
/* This file is only useful if BREAKPOINT_FROM_PC is set. If not, we
punt. */
#include "symtab.h"
#include "breakpoint.h"
@ -32,50 +33,6 @@
#include "target.h"
/* Use the program counter to determine the contents and size
of a breakpoint instruction. If no target-dependent macro
BREAKPOINT_FROM_PC has been defined to implement this function,
assume that the breakpoint doesn't depend on the PC, and
use the values of the BIG_BREAKPOINT and LITTLE_BREAKPOINT macros.
Return a pointer to a string of bytes that encode a breakpoint
instruction, stores the length of the string to *lenptr,
and optionally adjust the pc to point to the correct memory location
for inserting the breakpoint. */
const unsigned char *
memory_breakpoint_from_pc (CORE_ADDR *pcptr, int *lenptr)
{
/* {BIG_,LITTLE_}BREAKPOINT is the sequence of bytes we insert for a
breakpoint. On some machines, breakpoints are handled by the
target environment and we don't have to worry about them here. */
#ifdef BIG_BREAKPOINT
if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
{
static unsigned char big_break_insn[] = BIG_BREAKPOINT;
*lenptr = sizeof (big_break_insn);
return big_break_insn;
}
#endif
#ifdef LITTLE_BREAKPOINT
if (TARGET_BYTE_ORDER != BFD_ENDIAN_BIG)
{
static unsigned char little_break_insn[] = LITTLE_BREAKPOINT;
*lenptr = sizeof (little_break_insn);
return little_break_insn;
}
#endif
#ifdef BREAKPOINT
{
static unsigned char break_insn[] = BREAKPOINT;
*lenptr = sizeof (break_insn);
return break_insn;
}
#endif
*lenptr = 0;
return NULL;
}
/* Insert a breakpoint on targets that don't have any better breakpoint
support. We read the contents of the target location and stash it,
then overwrite it with a breakpoint instruction. ADDR is the target