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* gdbarch.sh: Add skip_permanent_breakpoint callback.

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* gdbarch.h, gdbarch.c: Regenerate.

	* infrun.c (SKIP_PERMANENT_BREAKPOINT): Remove default definition.
	(resume): Call gdbarch_skip_permanent_breakpoint instead of
	SKIP_PERMANENT_BREAKPOINT.  Inline default case.

	* hppa-hpux-tdep.c (hppa_skip_permanent_breakpoint): Make static.
	Add REGCACHE argument.  Use it instead of read/write_register.
	(hppa_hpux_init_abi): Install hppa_skip_permanent_breakpoint.

	* config/pa/tm-hppah.h: Delete file.
	* config/pa/hppa64.mt (DEPRECATED_TM_FILE): Set to tm-hppa.h.
	* config/pa/hppahpux.mt (DEPRECATED_TM_FILE): Likewise.
This commit is contained in:
Ulrich Weigand
2007-05-07 18:20:21 +00:00
parent 3b95049e0a
commit 6d350bb576
9 changed files with 84 additions and 62 deletions
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27
gdb/infrun.c
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@@ -176,23 +176,6 @@ show_debug_infrun (struct ui_file *file, int from_tty,
#define SOLIB_IN_DYNAMIC_LINKER(pid,pc) 0
#endif
/* We can't step off a permanent breakpoint in the ordinary way, because we
can't remove it. Instead, we have to advance the PC to the next
instruction. This macro should expand to a pointer to a function that
does that, or zero if we have no such function. If we don't have a
definition for it, we have to report an error. */
#ifndef SKIP_PERMANENT_BREAKPOINT
#define SKIP_PERMANENT_BREAKPOINT (default_skip_permanent_breakpoint)
static void
default_skip_permanent_breakpoint (void)
{
error (_("\
The program is stopped at a permanent breakpoint, but GDB does not know\n\
how to step past a permanent breakpoint on this architecture. Try using\n\
a command like `return' or `jump' to continue execution."));
}
#endif
/* Convert the #defines into values. This is temporary until wfi control
flow is completely sorted out. */
@@ -543,7 +526,15 @@ resume (int step, enum target_signal sig)
at a permanent breakpoint; we need to step over it, but permanent
breakpoints can't be removed. So we have to test for it here. */
if (breakpoint_here_p (read_pc ()) == permanent_breakpoint_here)
SKIP_PERMANENT_BREAKPOINT ();
{
if (gdbarch_skip_permanent_breakpoint_p (current_gdbarch))
gdbarch_skip_permanent_breakpoint (current_gdbarch, current_regcache);
else
error (_("\
The program is stopped at a permanent breakpoint, but GDB does not know\n\
how to step past a permanent breakpoint on this architecture. Try using\n\
a command like `return' or `jump' to continue execution."));
}
if (SOFTWARE_SINGLE_STEP_P () && step)
{