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dwarf: Dump .debug_loclists only for DWARF-5

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.debug_loclists section is loaded into debug_information as DWARF-5 debug
info and .debug_loc section is loaded into debug_information as pre-DWARF-5
debug info.  When dumping .debug_loc section, we should only process
pre-DWARF-5 debug info in debug_information.  When dumping .debug_loclists
section, we should only process DWARF-5 info in debug_information.

binutils/

	PR binutils/32809
	* dwarf.c (display_debug_loc): Dump .debug_loclists only for
	DWARF-5.

ld/

	PR binutils/32809
	* testsuite/ld-x86-64/dwarf4.s: New file.
	* testsuite/ld-x86-64/dwarf5a.s: Likewise.
	* testsuite/ld-x86-64/dwarf5b.s: Likewise.
	* testsuite/ld-x86-64/pr32809.d: Likewise.
	* testsuite/ld-x86-64/x86-64.exp: Run pr32809.

Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
(cherry picked from commit 82bdc396a4)
This commit is contained in:
H.J. Lu
2025-03-20 13:16:34 -07:00
parent a8418ff35d
commit 33578177ad
6 changed files with 1175 additions and 2 deletions
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14
binutils/dwarf.c
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@@ -7326,7 +7326,7 @@ display_debug_loc (struct dwarf_section *section, void *file)
unsigned int *array = NULL;
const char *suffix = strrchr (section->name, '.');
bool is_dwo = false;
int is_loclists = strstr (section->name, "debug_loclists") != NULL;
bool is_loclists = strstr (section->name, "debug_loclists") != NULL;
uint64_t next_header_offset = 0;
if (suffix && strcmp (suffix, ".dwo") == 0)
@@ -7454,6 +7454,16 @@ display_debug_loc (struct dwarf_section *section, void *file)
uint32_t offset_count;
/* .debug_loclists section is loaded into debug_information as
DWARF-5 debug info and .debug_loc section is loaded into
debug_information as pre-DWARF-5 debug info. When dumping
.debug_loc section, we should only process pre-DWARF-5 debug
info in debug_information. When dumping .debug_loclists
section, we should only process DWARF-5 info in
debug_information. */
if ((debug_info_p->dwarf_version >= 5) != is_loclists)
continue;
if (!locs_sorted)
{
for (k = 0; k < debug_info_p->num_loc_offsets; k++)
@@ -7466,7 +7476,7 @@ display_debug_loc (struct dwarf_section *section, void *file)
/* .debug_loclists has a per-unit header.
Update start if we are detecting it. */
if (debug_info_p->dwarf_version == 5)
if (debug_info_p->dwarf_version >= 5)
{
j = locs_sorted ? 0 : array [0];