* [PATCH] objdump: add DWARF support for AIX
@ 2021-06-11 11:22 CHIGOT, CLEMENT
2021-07-14 13:15 ` Alan Modra
0 siblings, 1 reply; 2+ messages in thread
From: CHIGOT, CLEMENT @ 2021-06-11 11:22 UTC (permalink / raw)
To: binutils
[-- Attachment #1: Type: text/plain, Size: 964 bytes --]
DWARF sections have special names on AIX which need be handled
by objdump in order to correctly print them.
This patch also adds the correlation in bfd for future uses.
bfd/ChangeLog:
2021-06-11 Clément Chigot <clement.chigot@atos.net>
* libxcoff.h (struct xcoff_dwsect_name): Add DWARF name.
* coff-rs6000.c (xcoff_dwsect_names): Update.
* coffcode.h (sec_to_styp_flags): Likewise.
(coff_new_section_hook): Likewise.
binutils/ChangeLog:
2021-06-11 Clément Chigot <clement.chigot@atos.net>
* dwarf.h (struct dwarf_section): Add XCOFF name.
* dwarf.c (struct dwarf_section_display): Update.
* objdump.c (load_debug_section): Add XCOFF name handler.
(dump_dwarf_section): Likewise.
gas/ChangeLog:
2021-06-11 Clément Chigot <clement.chigot@atos.net>
* config/tc-ppc.c (ppc_change_debug_section): Update to
match new name's field.
Clément Chigot
ATOS Bull SAS
1 rue de Provence - 38432 Échirolles - France
[-- Attachment #2: 0001-objdump-add-DWARF-support-for-AIX.patch --]
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From 4544244b4ec810cbe7fe5bab60fbc610470ae3de Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Cl=C3=A9ment=20Chigot?= <clement.chigot@atos.net>
Date: Fri, 11 Jun 2021 11:00:56 +0200
Subject: [PATCH] objdump: add DWARF support for AIX
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
DWARF sections have special names on AIX which need be handled
by objdump in order to correctly print them.
This patch also adds the correlation in bfd for future uses.
bfd/ChangeLog:
2021-06-11 Clément Chigot <clement.chigot@atos.net>
* libxcoff.h (struct xcoff_dwsect_name): Add DWARF name.
* coff-rs6000.c (xcoff_dwsect_names): Update.
* coffcode.h (sec_to_styp_flags): Likewise.
(coff_new_section_hook): Likewise.
binutils/ChangeLog:
2021-06-11 Clément Chigot <clement.chigot@atos.net>
* dwarf.h (struct dwarf_section): Add XCOFF name.
* dwarf.c (struct dwarf_section_display): Update.
* objdump.c (load_debug_section): Add XCOFF name handler.
(dump_dwarf_section): Likewise.
gas/ChangeLog:
2021-06-11 Clément Chigot <clement.chigot@atos.net>
* config/tc-ppc.c (ppc_change_debug_section): Update to
match new name's field.
---
bfd/coff-rs6000.c | 26 +++++++------
bfd/coffcode.h | 4 +-
bfd/libxcoff.h | 5 ++-
binutils/dwarf.c | 90 ++++++++++++++++++++++-----------------------
binutils/dwarf.h | 4 +-
binutils/objdump.c | 14 +++++--
gas/config/tc-ppc.c | 2 +-
7 files changed, 80 insertions(+), 65 deletions(-)
diff --git a/bfd/coff-rs6000.c b/bfd/coff-rs6000.c
index 59be6c97d30..0dfd041dd96 100644
--- a/bfd/coff-rs6000.c
+++ b/bfd/coff-rs6000.c
@@ -4251,20 +4251,22 @@ static const unsigned long xcoff_glink_code[9] =
0x00000000, /* traceback table */
};
-/* Table to convert DWARF flags to section names. */
+/* Table to convert DWARF flags to section names.
+ Remember to update binutils/dwarf.c:debug_displays
+ if new DWARF sections are supported by XCOFF. */
const struct xcoff_dwsect_name xcoff_dwsect_names[] = {
- { SSUBTYP_DWINFO, ".dwinfo", true },
- { SSUBTYP_DWLINE, ".dwline", true },
- { SSUBTYP_DWPBNMS, ".dwpbnms", true },
- { SSUBTYP_DWPBTYP, ".dwpbtyp", true },
- { SSUBTYP_DWARNGE, ".dwarnge", true },
- { SSUBTYP_DWABREV, ".dwabrev", false },
- { SSUBTYP_DWSTR, ".dwstr", true },
- { SSUBTYP_DWRNGES, ".dwrnges", true },
- { SSUBTYP_DWLOC, ".dwloc", true },
- { SSUBTYP_DWFRAME, ".dwframe", true },
- { SSUBTYP_DWMAC, ".dwmac", true }
+ { SSUBTYP_DWINFO, ".dwinfo", ".debug_info", true },
+ { SSUBTYP_DWLINE, ".dwline", ".debug_line", true },
+ { SSUBTYP_DWPBNMS, ".dwpbnms", ".debug_pubnames", true },
+ { SSUBTYP_DWPBTYP, ".dwpbtyp", ".debug_pubtypes", true },
+ { SSUBTYP_DWARNGE, ".dwarnge", ".debug_aranges", true },
+ { SSUBTYP_DWABREV, ".dwabrev", ".debug_abbrev", false },
+ { SSUBTYP_DWSTR, ".dwstr", ".debug_str", true },
+ { SSUBTYP_DWRNGES, ".dwrnges", ".debug_ranges", true },
+ { SSUBTYP_DWLOC, ".dwloc", ".debug_loc", true },
+ { SSUBTYP_DWFRAME, ".dwframe", ".debug_frame", true },
+ { SSUBTYP_DWMAC, ".dwmac", ".debug_macro", true }
};
/* For generic entry points. */
diff --git a/bfd/coffcode.h b/bfd/coffcode.h
index f65f3352e46..9b8798c8631 100644
--- a/bfd/coffcode.h
+++ b/bfd/coffcode.h
@@ -577,7 +577,7 @@ sec_to_styp_flags (const char *sec_name, flagword sec_flags)
int i;
for (i = 0; i < XCOFF_DWSECT_NBR_NAMES; i++)
- if (!strcmp (sec_name, xcoff_dwsect_names[i].name))
+ if (!strcmp (sec_name, xcoff_dwsect_names[i].xcoff_name))
{
styp_flags = STYP_DWARF | xcoff_dwsect_names[i].flag;
break;
@@ -1809,7 +1809,7 @@ coff_new_section_hook (bfd * abfd, asection * section)
for (i = 0; i < XCOFF_DWSECT_NBR_NAMES; i++)
if (strcmp (bfd_section_name (section),
- xcoff_dwsect_names[i].name) == 0)
+ xcoff_dwsect_names[i].xcoff_name) == 0)
{
section->alignment_power = 0;
sclass = C_DWARF;
diff --git a/bfd/libxcoff.h b/bfd/libxcoff.h
index 2eeb503d548..4556a38bc15 100644
--- a/bfd/libxcoff.h
+++ b/bfd/libxcoff.h
@@ -244,7 +244,10 @@ struct xcoff_dwsect_name {
unsigned int flag;
/* Corresponding XCOFF section name. */
- const char *name;
+ const char *xcoff_name;
+
+ /* Corresponding DWARF section name. */
+ const char *dwarf_name;
/* True if size must be prepended. */
bool def_size;
diff --git a/binutils/dwarf.c b/binutils/dwarf.c
index e1f76102056..66a5c429640 100644
--- a/binutils/dwarf.c
+++ b/binutils/dwarf.c
@@ -11755,53 +11755,53 @@ dwarf_select_sections_all (void)
struct dwarf_section_display debug_displays[] =
{
- { { ".debug_abbrev", ".zdebug_abbrev", NO_ABBREVS }, display_debug_abbrev, &do_debug_abbrevs, false },
- { { ".debug_aranges", ".zdebug_aranges", NO_ABBREVS }, display_debug_aranges, &do_debug_aranges, true },
- { { ".debug_frame", ".zdebug_frame", NO_ABBREVS }, display_debug_frames, &do_debug_frames, true },
- { { ".debug_info", ".zdebug_info", ABBREV (abbrev)}, display_debug_info, &do_debug_info, true },
- { { ".debug_line", ".zdebug_line", NO_ABBREVS }, display_debug_lines, &do_debug_lines, true },
- { { ".debug_pubnames", ".zdebug_pubnames", NO_ABBREVS }, display_debug_pubnames, &do_debug_pubnames, false },
- { { ".debug_gnu_pubnames", ".zdebug_gnu_pubnames", NO_ABBREVS }, display_debug_gnu_pubnames, &do_debug_pubnames, false },
- { { ".eh_frame", "", NO_ABBREVS }, display_debug_frames, &do_debug_frames, true },
- { { ".debug_macinfo", ".zdebug_macinfo", NO_ABBREVS }, display_debug_macinfo, &do_debug_macinfo, false },
- { { ".debug_macro", ".zdebug_macro", NO_ABBREVS }, display_debug_macro, &do_debug_macinfo, true },
- { { ".debug_str", ".zdebug_str", NO_ABBREVS }, display_debug_str, &do_debug_str, false },
- { { ".debug_line_str", ".zdebug_line_str", NO_ABBREVS }, display_debug_str, &do_debug_str, false },
- { { ".debug_loc", ".zdebug_loc", NO_ABBREVS }, display_debug_loc, &do_debug_loc, true },
- { { ".debug_loclists", ".zdebug_loclists", NO_ABBREVS }, display_debug_loc, &do_debug_loc, true },
- { { ".debug_pubtypes", ".zdebug_pubtypes", NO_ABBREVS }, display_debug_pubnames, &do_debug_pubtypes, false },
- { { ".debug_gnu_pubtypes", ".zdebug_gnu_pubtypes", NO_ABBREVS }, display_debug_gnu_pubnames, &do_debug_pubtypes, false },
- { { ".debug_ranges", ".zdebug_ranges", NO_ABBREVS }, display_debug_ranges, &do_debug_ranges, true },
- { { ".debug_rnglists", ".zdebug_rnglists", NO_ABBREVS }, display_debug_ranges, &do_debug_ranges, true },
- { { ".debug_static_func", ".zdebug_static_func", NO_ABBREVS }, display_debug_not_supported, NULL, false },
- { { ".debug_static_vars", ".zdebug_static_vars", NO_ABBREVS }, display_debug_not_supported, NULL, false },
- { { ".debug_types", ".zdebug_types", ABBREV (abbrev) }, display_debug_types, &do_debug_info, true },
- { { ".debug_weaknames", ".zdebug_weaknames", NO_ABBREVS }, display_debug_not_supported, NULL, false },
- { { ".gdb_index", "", NO_ABBREVS }, display_gdb_index, &do_gdb_index, false },
- { { ".debug_names", "", NO_ABBREVS }, display_debug_names, &do_gdb_index, false },
- { { ".trace_info", "", ABBREV (trace_abbrev) }, display_trace_info, &do_trace_info, true },
- { { ".trace_abbrev", "", NO_ABBREVS }, display_debug_abbrev, &do_trace_abbrevs, false },
- { { ".trace_aranges", "", NO_ABBREVS }, display_debug_aranges, &do_trace_aranges, false },
- { { ".debug_info.dwo", ".zdebug_info.dwo", ABBREV (abbrev_dwo) }, display_debug_info, &do_debug_info, true },
- { { ".debug_abbrev.dwo", ".zdebug_abbrev.dwo", NO_ABBREVS }, display_debug_abbrev, &do_debug_abbrevs, false },
- { { ".debug_types.dwo", ".zdebug_types.dwo", ABBREV (abbrev_dwo) }, display_debug_types, &do_debug_info, true },
- { { ".debug_line.dwo", ".zdebug_line.dwo", NO_ABBREVS }, display_debug_lines, &do_debug_lines, true },
- { { ".debug_loc.dwo", ".zdebug_loc.dwo", NO_ABBREVS }, display_debug_loc, &do_debug_loc, true },
- { { ".debug_macro.dwo", ".zdebug_macro.dwo", NO_ABBREVS }, display_debug_macro, &do_debug_macinfo, true },
- { { ".debug_macinfo.dwo", ".zdebug_macinfo.dwo", NO_ABBREVS }, display_debug_macinfo, &do_debug_macinfo, false },
- { { ".debug_str.dwo", ".zdebug_str.dwo", NO_ABBREVS }, display_debug_str, &do_debug_str, true },
- { { ".debug_str_offsets", ".zdebug_str_offsets", NO_ABBREVS }, display_debug_str_offsets, &do_debug_str_offsets, true },
- { { ".debug_str_offsets.dwo", ".zdebug_str_offsets.dwo", NO_ABBREVS }, display_debug_str_offsets, &do_debug_str_offsets, true },
- { { ".debug_addr", ".zdebug_addr", NO_ABBREVS }, display_debug_addr, &do_debug_addr, true },
- { { ".debug_cu_index", "", NO_ABBREVS }, display_cu_index, &do_debug_cu_index, false },
- { { ".debug_tu_index", "", NO_ABBREVS }, display_cu_index, &do_debug_cu_index, false },
- { { ".gnu_debuglink", "", NO_ABBREVS }, display_debug_links, &do_debug_links, false },
- { { ".gnu_debugaltlink", "", NO_ABBREVS }, display_debug_links, &do_debug_links, false },
- { { ".debug_sup", "", NO_ABBREVS }, display_debug_sup, &do_debug_links, false },
+ { { ".debug_abbrev", ".zdebug_abbrev", ".dwabrev", NO_ABBREVS }, display_debug_abbrev, &do_debug_abbrevs, false },
+ { { ".debug_aranges", ".zdebug_aranges", ".dwarnge", NO_ABBREVS }, display_debug_aranges, &do_debug_aranges, true },
+ { { ".debug_frame", ".zdebug_frame", ".dwframe", NO_ABBREVS }, display_debug_frames, &do_debug_frames, true },
+ { { ".debug_info", ".zdebug_info", ".dwinfo", ABBREV (abbrev)}, display_debug_info, &do_debug_info, true },
+ { { ".debug_line", ".zdebug_line", ".dwline", NO_ABBREVS }, display_debug_lines, &do_debug_lines, true },
+ { { ".debug_pubnames", ".zdebug_pubnames", ".dwpbnms", NO_ABBREVS }, display_debug_pubnames, &do_debug_pubnames, false },
+ { { ".debug_gnu_pubnames", ".zdebug_gnu_pubnames", "", NO_ABBREVS }, display_debug_gnu_pubnames, &do_debug_pubnames, false },
+ { { ".eh_frame", "", "", NO_ABBREVS }, display_debug_frames, &do_debug_frames, true },
+ { { ".debug_macinfo", ".zdebug_macinfo", "", NO_ABBREVS }, display_debug_macinfo, &do_debug_macinfo, false },
+ { { ".debug_macro", ".zdebug_macro", ".dwmac", NO_ABBREVS }, display_debug_macro, &do_debug_macinfo, true },
+ { { ".debug_str", ".zdebug_str", ".dwstr", NO_ABBREVS }, display_debug_str, &do_debug_str, false },
+ { { ".debug_line_str", ".zdebug_line_str", "", NO_ABBREVS }, display_debug_str, &do_debug_str, false },
+ { { ".debug_loc", ".zdebug_loc", ".dwloc", NO_ABBREVS }, display_debug_loc, &do_debug_loc, true },
+ { { ".debug_loclists", ".zdebug_loclists", "", NO_ABBREVS }, display_debug_loc, &do_debug_loc, true },
+ { { ".debug_pubtypes", ".zdebug_pubtypes", ".dwpbtyp", NO_ABBREVS }, display_debug_pubnames, &do_debug_pubtypes, false },
+ { { ".debug_gnu_pubtypes", ".zdebug_gnu_pubtypes", "", NO_ABBREVS }, display_debug_gnu_pubnames, &do_debug_pubtypes, false },
+ { { ".debug_ranges", ".zdebug_ranges", ".dwrnges", NO_ABBREVS }, display_debug_ranges, &do_debug_ranges, true },
+ { { ".debug_rnglists", ".zdebug_rnglists", "", NO_ABBREVS }, display_debug_ranges, &do_debug_ranges, true },
+ { { ".debug_static_func", ".zdebug_static_func", "", NO_ABBREVS }, display_debug_not_supported, NULL, false },
+ { { ".debug_static_vars", ".zdebug_static_vars", "", NO_ABBREVS }, display_debug_not_supported, NULL, false },
+ { { ".debug_types", ".zdebug_types", "", ABBREV (abbrev) }, display_debug_types, &do_debug_info, true },
+ { { ".debug_weaknames", ".zdebug_weaknames", "", NO_ABBREVS }, display_debug_not_supported, NULL, false },
+ { { ".gdb_index", "", "", NO_ABBREVS }, display_gdb_index, &do_gdb_index, false },
+ { { ".debug_names", "", "", NO_ABBREVS }, display_debug_names, &do_gdb_index, false },
+ { { ".trace_info", "", "", ABBREV (trace_abbrev) }, display_trace_info, &do_trace_info, true },
+ { { ".trace_abbrev", "", "", NO_ABBREVS }, display_debug_abbrev, &do_trace_abbrevs, false },
+ { { ".trace_aranges", "", "", NO_ABBREVS }, display_debug_aranges, &do_trace_aranges, false },
+ { { ".debug_info.dwo", ".zdebug_info.dwo", "", ABBREV (abbrev_dwo) }, display_debug_info, &do_debug_info, true },
+ { { ".debug_abbrev.dwo", ".zdebug_abbrev.dwo", "", NO_ABBREVS }, display_debug_abbrev, &do_debug_abbrevs, false },
+ { { ".debug_types.dwo", ".zdebug_types.dwo", "", ABBREV (abbrev_dwo) }, display_debug_types, &do_debug_info, true },
+ { { ".debug_line.dwo", ".zdebug_line.dwo", "", NO_ABBREVS }, display_debug_lines, &do_debug_lines, true },
+ { { ".debug_loc.dwo", ".zdebug_loc.dwo", "", NO_ABBREVS }, display_debug_loc, &do_debug_loc, true },
+ { { ".debug_macro.dwo", ".zdebug_macro.dwo", "", NO_ABBREVS }, display_debug_macro, &do_debug_macinfo, true },
+ { { ".debug_macinfo.dwo", ".zdebug_macinfo.dwo", "", NO_ABBREVS }, display_debug_macinfo, &do_debug_macinfo, false },
+ { { ".debug_str.dwo", ".zdebug_str.dwo", "", NO_ABBREVS }, display_debug_str, &do_debug_str, true },
+ { { ".debug_str_offsets", ".zdebug_str_offsets", "", NO_ABBREVS }, display_debug_str_offsets, &do_debug_str_offsets, true },
+ { { ".debug_str_offsets.dwo", ".zdebug_str_offsets.dwo", "", NO_ABBREVS }, display_debug_str_offsets, &do_debug_str_offsets, true },
+ { { ".debug_addr", ".zdebug_addr", "", NO_ABBREVS }, display_debug_addr, &do_debug_addr, true },
+ { { ".debug_cu_index", "", "", NO_ABBREVS }, display_cu_index, &do_debug_cu_index, false },
+ { { ".debug_tu_index", "", "", NO_ABBREVS }, display_cu_index, &do_debug_cu_index, false },
+ { { ".gnu_debuglink", "", "", NO_ABBREVS }, display_debug_links, &do_debug_links, false },
+ { { ".gnu_debugaltlink", "", "", NO_ABBREVS }, display_debug_links, &do_debug_links, false },
+ { { ".debug_sup", "", "", NO_ABBREVS }, display_debug_sup, &do_debug_links, false },
/* Separate debug info files can containt their own .debug_str section,
and this might be in *addition* to a .debug_str section already present
- in the main file. Hence we need to have two entries for .debug_str. */
- { { ".debug_str", ".zdebug_str", NO_ABBREVS }, display_debug_str, &do_debug_str, false },
+ in the main file. Hence we need to have two entries for .debug_str. */
+ { { ".debug_str", ".zdebug_str", "", NO_ABBREVS }, display_debug_str, &do_debug_str, false },
};
/* A static assertion. */
diff --git a/binutils/dwarf.h b/binutils/dwarf.h
index 2070c6f3daf..7853291cac7 100644
--- a/binutils/dwarf.h
+++ b/binutils/dwarf.h
@@ -128,11 +128,13 @@ enum dwarf_section_display_enum
struct dwarf_section
{
/* A debug section has a different name when it's stored compressed
- or not. COMPRESSED_NAME and UNCOMPRESSED_NAME are the two
+ or not. XCOFF DWARF section also have a special name.
+ COMPRESSED_NAME, UNCOMPRESSED_NAME and XCOFF_NAME are the three
possibilities. NAME is set to whichever one is used for this
input file, as determined by load_debug_section(). */
const char * uncompressed_name;
const char * compressed_name;
+ const char * xcoff_name;
const char * name;
/* If non-NULL then FILENAME is the name of the separate debug info
file containing the section. */
diff --git a/binutils/objdump.c b/binutils/objdump.c
index 39b5793bc2e..2f9068f6fbf 100644
--- a/binutils/objdump.c
+++ b/binutils/objdump.c
@@ -3659,7 +3659,6 @@ load_debug_section (enum dwarf_section_display_enum debug, void *file)
if (streq (section->filename, bfd_get_filename (abfd)))
return true;
}
-
/* Locate the debug section. */
sec = bfd_get_section_by_name (abfd, section->uncompressed_name);
if (sec != NULL)
@@ -3669,6 +3668,12 @@ load_debug_section (enum dwarf_section_display_enum debug, void *file)
sec = bfd_get_section_by_name (abfd, section->compressed_name);
if (sec != NULL)
section->name = section->compressed_name;
+ else
+ {
+ sec = bfd_get_section_by_name (abfd, section->xcoff_name);
+ if (sec != NULL)
+ section->name = section->xcoff_name;
+ }
}
if (sec == NULL)
return false;
@@ -3752,7 +3757,8 @@ dump_dwarf_section (bfd *abfd, asection *section,
for (i = 0; i < max; i++)
if ((strcmp (debug_displays [i].section.uncompressed_name, match) == 0
- || strcmp (debug_displays [i].section.compressed_name, match) == 0)
+ || strcmp (debug_displays [i].section.compressed_name, match) == 0
+ || strcmp (debug_displays [i].section.xcoff_name, match) == 0)
&& debug_displays [i].enabled != NULL
&& *debug_displays [i].enabled)
{
@@ -3760,8 +3766,10 @@ dump_dwarf_section (bfd *abfd, asection *section,
if (strcmp (sec->uncompressed_name, match) == 0)
sec->name = sec->uncompressed_name;
- else
+ else if (strcmp (sec->compressed_name, match) == 0)
sec->name = sec->compressed_name;
+ else
+ sec->name = sec->xcoff_name;
if (load_specific_debug_section ((enum dwarf_section_display_enum) i,
section, abfd))
{
diff --git a/gas/config/tc-ppc.c b/gas/config/tc-ppc.c
index fce2b15f17a..7ba6d76992d 100644
--- a/gas/config/tc-ppc.c
+++ b/gas/config/tc-ppc.c
@@ -4623,7 +4623,7 @@ ppc_change_debug_section (unsigned int idx, subsegT subseg)
flagword oldflags;
const struct xcoff_dwsect_name *dw = &xcoff_dwsect_names[idx];
- sec = subseg_new (dw->name, subseg);
+ sec = subseg_new (dw->xcoff_name, subseg);
oldflags = bfd_section_flags (sec);
if (oldflags == SEC_NO_FLAGS)
{
--
2.31.1
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH] objdump: add DWARF support for AIX
2021-06-11 11:22 [PATCH] objdump: add DWARF support for AIX CHIGOT, CLEMENT
@ 2021-07-14 13:15 ` Alan Modra
0 siblings, 0 replies; 2+ messages in thread
From: Alan Modra @ 2021-07-14 13:15 UTC (permalink / raw)
To: CHIGOT, CLEMENT; +Cc: binutils
On Fri, Jun 11, 2021 at 11:22:35AM +0000, CHIGOT, CLEMENT via Binutils wrote:
> DWARF sections have special names on AIX which need be handled
> by objdump in order to correctly print them.
> This patch also adds the correlation in bfd for future uses.
Applied.
--
Alan Modra
Australia Development Lab, IBM
^ permalink raw reply [flat|nested] 2+ messages in thread
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2021-07-14 13:15 ` Alan Modra
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