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authorPedro Alves <palves@redhat.com>2014-10-15 20:18:31 +0100
committerPedro Alves <palves@redhat.com>2014-10-15 20:18:31 +0100
commita1fd2fa5999a17bc94fa8348326bc75ddb93476c (patch)
tree12b0f587fe1579e194244c0932681b93c402e65c
parent7c16b83e0521a007e4d86fc30e334b41b01668b4 (diff)
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Remove deprecated_insert_raw_breakpoint and friends
There are no users of deprecated_{insert,remove}_raw_breakpoint left. gdb/ 2014-10-15 Pedro Alves <palves@redhat.com> * breakpoint.c (regular_breakpoint_inserted_here_p): Inline ... (breakpoint_inserted_here_p): ... here. Remove special case for software single-step breakpoints. (find_non_raw_software_breakpoint_inserted_here): Inline ... (software_breakpoint_inserted_here_p): ... here. Remove special case for software single-step breakpoints. (bp_target_info_copy_insertion_state) (deprecated_insert_raw_breakpoint) (deprecated_remove_raw_breakpoint): Delete functions. * breakpoint.h (deprecated_insert_raw_breakpoint) (deprecated_remove_raw_breakpoint): Remove declarations.
-rw-r--r--gdb/ChangeLog14
-rw-r--r--gdb/breakpoint.c145
-rw-r--r--gdb/breakpoint.h8
3 files changed, 21 insertions, 146 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 1affa2c..98f7651 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,19 @@
2014-10-15 Pedro Alves <palves@redhat.com>
+ * breakpoint.c (regular_breakpoint_inserted_here_p): Inline ...
+ (breakpoint_inserted_here_p): ... here. Remove special case for
+ software single-step breakpoints.
+ (find_non_raw_software_breakpoint_inserted_here): Inline ...
+ (software_breakpoint_inserted_here_p): ... here. Remove special
+ case for software single-step breakpoints.
+ (bp_target_info_copy_insertion_state)
+ (deprecated_insert_raw_breakpoint)
+ (deprecated_remove_raw_breakpoint): Delete functions.
+ * breakpoint.h (deprecated_insert_raw_breakpoint)
+ (deprecated_remove_raw_breakpoint): Remove declarations.
+
+2014-10-15 Pedro Alves <palves@redhat.com>
+
PR breakpoints/9649
* breakpoint.c (single_step_breakpoints, single_step_gdbarch):
Delete array globals.
diff --git a/gdb/breakpoint.c b/gdb/breakpoint.c
index 27420f5..d85757b 100644
--- a/gdb/breakpoint.c
+++ b/gdb/breakpoint.c
@@ -4239,14 +4239,10 @@ moribund_breakpoint_here_p (struct address_space *aspace, CORE_ADDR pc)
return 0;
}
-/* Returns non-zero if there's a breakpoint inserted at PC, which is
- inserted using regular breakpoint_chain / bp_location array
- mechanism. This does not check for single-step breakpoints, which
- are inserted and removed using direct target manipulation. */
+/* Returns non-zero iff there's a breakpoint inserted at PC. */
int
-regular_breakpoint_inserted_here_p (struct address_space *aspace,
- CORE_ADDR pc)
+breakpoint_inserted_here_p (struct address_space *aspace, CORE_ADDR pc)
{
struct bp_location *bl, **blp_tmp;
@@ -4270,27 +4266,12 @@ regular_breakpoint_inserted_here_p (struct address_space *aspace,
return 0;
}
-/* Returns non-zero iff there's either regular breakpoint
- or a single step breakpoint inserted at PC. */
+/* This function returns non-zero iff there is a software breakpoint
+ inserted at PC. */
int
-breakpoint_inserted_here_p (struct address_space *aspace, CORE_ADDR pc)
-{
- if (regular_breakpoint_inserted_here_p (aspace, pc))
- return 1;
-
- if (single_step_breakpoint_inserted_here_p (aspace, pc))
- return 1;
-
- return 0;
-}
-
-/* Ignoring deprecated raw breakpoints, return non-zero iff there is a
- software breakpoint inserted at PC. */
-
-static struct bp_location *
-find_non_raw_software_breakpoint_inserted_here (struct address_space *aspace,
- CORE_ADDR pc)
+software_breakpoint_inserted_here_p (struct address_space *aspace,
+ CORE_ADDR pc)
{
struct bp_location *bl, **blp_tmp;
@@ -4308,27 +4289,10 @@ find_non_raw_software_breakpoint_inserted_here (struct address_space *aspace,
&& !section_is_mapped (bl->section))
continue; /* unmapped overlay -- can't be a match */
else
- return bl;
+ return 1;
}
}
- return NULL;
-}
-
-/* This function returns non-zero iff there is a software breakpoint
- inserted at PC. */
-
-int
-software_breakpoint_inserted_here_p (struct address_space *aspace,
- CORE_ADDR pc)
-{
- if (find_non_raw_software_breakpoint_inserted_here (aspace, pc) != NULL)
- return 1;
-
- /* Also check for software single-step breakpoints. */
- if (single_step_breakpoint_inserted_here_p (aspace, pc))
- return 1;
-
return 0;
}
@@ -13329,20 +13293,6 @@ bkpt_re_set (struct breakpoint *b)
breakpoint_re_set_default (b);
}
-/* Copy SRC's shadow buffer and whatever else we'd set if we actually
- inserted DEST, so we can remove it later, in case SRC is removed
- first. */
-
-static void
-bp_target_info_copy_insertion_state (struct bp_target_info *dest,
- const struct bp_target_info *src)
-{
- dest->shadow_len = src->shadow_len;
- memcpy (dest->shadow_contents, src->shadow_contents, src->shadow_len);
- dest->placed_address = src->placed_address;
- dest->placed_size = src->placed_size;
-}
-
static int
bkpt_insert_location (struct bp_location *bl)
{
@@ -15358,87 +15308,6 @@ invalidate_bp_value_on_memory_change (struct inferior *inferior,
}
}
-/* Create and insert a raw software breakpoint at PC. Return an
- identifier, which should be used to remove the breakpoint later.
- In general, places which call this should be using something on the
- breakpoint chain instead; this function should be eliminated
- someday. */
-
-void *
-deprecated_insert_raw_breakpoint (struct gdbarch *gdbarch,
- struct address_space *aspace, CORE_ADDR pc)
-{
- struct bp_target_info *bp_tgt;
- struct bp_location *bl;
-
- bp_tgt = XCNEW (struct bp_target_info);
-
- bp_tgt->placed_address_space = aspace;
- bp_tgt->reqstd_address = pc;
-
- /* If an unconditional non-raw breakpoint is already inserted at
- that location, there's no need to insert another. However, with
- target-side evaluation of breakpoint conditions, if the
- breakpoint that is currently inserted on the target is
- conditional, we need to make it unconditional. Note that a
- breakpoint with target-side commands is not reported even if
- unconditional, so we need to remove the commands from the target
- as well. */
- bl = find_non_raw_software_breakpoint_inserted_here (aspace, pc);
- if (bl != NULL
- && VEC_empty (agent_expr_p, bl->target_info.conditions)
- && VEC_empty (agent_expr_p, bl->target_info.tcommands))
- {
- bp_target_info_copy_insertion_state (bp_tgt, &bl->target_info);
- return bp_tgt;
- }
-
- if (target_insert_breakpoint (gdbarch, bp_tgt) != 0)
- {
- /* Could not insert the breakpoint. */
- xfree (bp_tgt);
- return NULL;
- }
-
- return bp_tgt;
-}
-
-/* Remove a breakpoint BP inserted by
- deprecated_insert_raw_breakpoint. */
-
-int
-deprecated_remove_raw_breakpoint (struct gdbarch *gdbarch, void *bp)
-{
- struct bp_target_info *bp_tgt = bp;
- struct address_space *aspace = bp_tgt->placed_address_space;
- CORE_ADDR address = bp_tgt->reqstd_address;
- struct bp_location *bl;
- int ret;
-
- bl = find_non_raw_software_breakpoint_inserted_here (aspace, address);
-
- /* Only remove the raw breakpoint if there are no other non-raw
- breakpoints still inserted at this location. Otherwise, we would
- be effectively disabling those breakpoints. */
- if (bl == NULL)
- ret = target_remove_breakpoint (gdbarch, bp_tgt);
- else if (!VEC_empty (agent_expr_p, bl->target_info.conditions)
- || !VEC_empty (agent_expr_p, bl->target_info.tcommands))
- {
- /* The target is evaluating conditions, and when we inserted the
- software single-step breakpoint, we had made the breakpoint
- unconditional and command-less on the target side. Reinsert
- to restore the conditions/commands. */
- ret = target_insert_breakpoint (bl->gdbarch, &bl->target_info);
- }
- else
- ret = 0;
-
- xfree (bp_tgt);
-
- return ret;
-}
-
/* Create and insert a breakpoint for software single step. */
void
diff --git a/gdb/breakpoint.h b/gdb/breakpoint.h
index 7c563c1..8b833bd2 100644
--- a/gdb/breakpoint.h
+++ b/gdb/breakpoint.h
@@ -1467,14 +1467,6 @@ extern int single_step_breakpoints_inserted (void);
extern void remove_single_step_breakpoints (void);
extern void cancel_single_step_breakpoints (void);
-/* Manage manual breakpoints, separate from the normal chain of
- breakpoints. These functions are used in murky target-specific
- ways. Please do not add more uses! */
-extern void *deprecated_insert_raw_breakpoint (struct gdbarch *,
- struct address_space *,
- CORE_ADDR);
-extern int deprecated_remove_raw_breakpoint (struct gdbarch *, void *);
-
/* Check if any hardware watchpoints have triggered, according to the
target. */
int watchpoints_triggered (struct target_waitstatus *);