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PR breakpoints/13346
	* dwarf2read.c (process_psymtab_comp_unit): Set
	PSYMTABS_ADDRMAP_SUPPORTED.
	* psympriv.h (struct partial_symtab): Comment textlow and texthigh
	validity.  New field psymtabs_addrmap_supported.
	* psymtab.c (find_pc_sect_psymtab_closer): New gdb_assert on
	psymtabs_addrmap_supported.
	(find_pc_sect_psymtab): Do not fallback to TEXTLOW and TEXTHIGH for
	!PSYMTABS_ADDRMAP_SUPPORTED.
	(dump_psymtab, maintenance_info_psymtabs): Print also
	psymtabs_addrmap_supported.

gdb/testsuite/
	PR breakpoints/13346
	* gdb.dwarf2/dw2-objfile-overlap-inner.S: New file.
	* gdb.dwarf2/dw2-objfile-overlap-outer.S: New file.
	* gdb.dwarf2/dw2-objfile-overlap.exp: New file.
This commit is contained in:
Jan Kratochvil 2011-12-02 01:28:55 +00:00
parent f28c316a0b
commit 9750bca92c
8 changed files with 471 additions and 2 deletions
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9
gdb/psympriv.h
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@ -92,7 +92,8 @@ struct partial_symtab
struct section_offsets *section_offsets;
/* Range of text addresses covered by this file; texthigh is the
beginning of the next section. */
beginning of the next section. Do not use if PSYMTABS_ADDRMAP_SUPPORTED
is set. */
CORE_ADDR textlow;
CORE_ADDR texthigh;
@ -135,6 +136,12 @@ struct partial_symtab
unsigned char readin;
/* True iff objfile->psymtabs_addrmap is properly populated for this
partial_symtab. For discontiguous overlapping psymtabs is the only usable
info in PSYMTABS_ADDRMAP. */
unsigned char psymtabs_addrmap_supported;
/* Pointer to symtab eventually allocated for this source file, 0 if
!readin or if we haven't looked for the symtab after it was readin. */