gdb/gdb-archer-pie-addons-keep-disabled.patch

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From FEDORA_PATCHES Mon Sep 17 00:00:00 2001
From: Fedora GDB patches <invalid@email.com>
Date: Fri, 27 Oct 2017 21:07:50 +0200
Subject: gdb-archer-pie-addons-keep-disabled.patch
FileName: gdb-archer-pie-addons-keep-disabled.patch
;;=push+jan: Breakpoints disabling matching should not be based on address.
diff --git a/gdb/breakpoint.c b/gdb/breakpoint.c
index 2b5eebbbee..814802a0a1 100644
--- a/gdb/breakpoint.c
+++ b/gdb/breakpoint.c
@@ -15590,6 +15590,50 @@ initialize_breakpoint_ops (void)
static struct cmd_list_element *enablebreaklist = NULL;
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+void
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+breakpoints_relocate (struct objfile *objfile, struct section_offsets *delta)
+{
+ struct bp_location *bl, **blp_tmp;
+ int changed = 0;
+
+ gdb_assert (objfile->separate_debug_objfile_backlink == NULL);
+
+ ALL_BP_LOCATIONS (bl, blp_tmp)
+ {
+ struct obj_section *osect;
+
+ /* BL->SECTION can be correctly NULL for breakpoints with multiple
+ locations expanded through symtab. */
+
+ ALL_OBJFILE_OSECTIONS (objfile, osect)
+ {
+ CORE_ADDR relocated_address;
+ CORE_ADDR delta_offset;
+
+ delta_offset = ANOFFSET (delta, osect->the_bfd_section->index);
+ if (delta_offset == 0)
+ continue;
+ relocated_address = bl->address + delta_offset;
+
+ if (obj_section_addr (osect) <= relocated_address
+ && relocated_address < obj_section_endaddr (osect))
+ {
+ if (bl->inserted)
+ remove_breakpoint (bl);
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+
+ bl->address += delta_offset;
+ bl->requested_address += delta_offset;
+
+ changed = 1;
+ }
+ }
+ }
+
+ if (changed)
+ qsort (bp_locations, bp_locations_count, sizeof (*bp_locations),
+ bp_locations_compare);
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+}
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+
void
_initialize_breakpoint (void)
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{
diff --git a/gdb/breakpoint.h b/gdb/breakpoint.h
index 8bb81d8d17..3fddbaa713 100644
--- a/gdb/breakpoint.h
+++ b/gdb/breakpoint.h
@@ -1656,6 +1656,9 @@ extern const char *ep_parse_optional_if_clause (const char **arg);
UIOUT iff debugging multiple threads. */
extern void maybe_print_thread_hit_breakpoint (struct ui_out *uiout);
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+extern void breakpoints_relocate (struct objfile *objfile,
+ struct section_offsets *delta);
+
/* Print the specified breakpoint. */
extern void print_breakpoint (breakpoint *bp);
diff --git a/gdb/objfiles.c b/gdb/objfiles.c
index 7adaef119d..2f061b47f7 100644
--- a/gdb/objfiles.c
+++ b/gdb/objfiles.c
@@ -879,6 +879,11 @@ objfile_relocate1 (struct objfile *objfile,
obj_section_addr (s));
}
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+ /* Final call of breakpoint_re_set can keep breakpoint locations disabled if
+ their addresses match. */
+ if (objfile->separate_debug_objfile_backlink == NULL)
+ breakpoints_relocate (objfile, delta);
+
/* Data changed. */
return 1;
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}