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SUSE:SLE-15-SP5:GA
gdb.17657
gdb-archer-pie-addons-keep-disabled.patch
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File gdb-archer-pie-addons-keep-disabled.patch of Package gdb.17657
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 ;;=push+jan: Breakpoints disabling matching should not be based on address. diff --git a/gdb/breakpoint.c b/gdb/breakpoint.c --- a/gdb/breakpoint.c +++ b/gdb/breakpoint.c @@ -15431,6 +15431,50 @@ static struct cmd_list_element *enablebreaklist = NULL; cmd_list_element *commands_cmd_element = nullptr; +void +breakpoints_relocate (struct objfile *objfile, 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 = 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); + + bl->address += delta_offset; + bl->requested_address += delta_offset; + + changed = 1; + } + } + } + + if (changed) + std::sort (bp_locations, bp_locations + bp_locations_count, + bp_location_is_less_than); +} + void _initialize_breakpoint (); void _initialize_breakpoint () diff --git a/gdb/breakpoint.h b/gdb/breakpoint.h --- a/gdb/breakpoint.h +++ b/gdb/breakpoint.h @@ -1691,6 +1691,9 @@ 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); +extern void breakpoints_relocate (struct objfile *objfile, + section_offsets &delta); + /* Print the specified breakpoint. */ extern void print_breakpoint (breakpoint *bp); diff --git a/gdb/objfiles.c b/gdb/objfiles.c --- a/gdb/objfiles.c +++ b/gdb/objfiles.c @@ -742,6 +742,11 @@ objfile_relocate1 (struct objfile *objfile, obj_section_addr (s)); } + /* 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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