[Bug 2077036] [NEW] powerpc cross tools generate bogus string table
Sergio Durigan Junior
2077036 at bugs.launchpad.net
Thu Aug 15 02:05:49 UTC 2024
Public bug reported:
I'm still not entirely sure whether this problem is caused by binutils
or gcc-14, but my suspicion is that it's the former.
QEMU is being affected by this problem, as can be seen in the following
build log:
https://launchpadlibrarian.net/743528322/buildlog_ubuntu-oracular-
amd64.qemu_1%3A9.0.2+ds-2ubuntu1~ppa6_BUILDING.txt.gz
The interesting part is this one:
...
powerpc-linux-gnu-objcopy -O srec u-boot u-boot.srec
powerpc-linux-gnu-objcopy --gap-fill=0xff -O binary u-boot u-boot.bin
powerpc-linux-gnu-objcopy: warning: u-boot has a corrupt string table index
powerpc-linux-gnu-objcopy: unable to modify 'u-boot' due to errors
make[1]: *** [Makefile:300: u-boot.srec] Error 1
...
So far I have confirmed that using the previous versions of binutils
(2.42.90.20240720-2ubuntu1) and gcc-14 (14.2.0-1ubuntu1) make the QEMU
build work again.
Using powerpc-linux-gnu-readelf to compare the u-boot binary generated
by the "good" binutils+gcc against the "bad" ones, I see:
Good binary:
Section Headers:
[Nr] Name Type Addr Off Size ES Flg Lk Inf Al
[ 0] NULL 00000000 000000 000000 00 0 0 0
[ 1] .text PROGBITS fff80000 000080 046098 00 AX 0 0 16
[ 2] .rodata PROGBITS fffc6098 046118 00b9f9 00 A 0 0 4
[ 3] .reloc PROGBITS fffd1b00 051b80 003678 00 WA 0 0 4
[ 4] .data PROGBITS fffd5178 0551f8 004c94 00 WA 0 0 4
[ 5] .u_boot_cmd PROGBITS fffd9e0c 059e8c 0003d8 00 WA 0 0 4
[ 6] .bootpg PROGBITS fffff000 07f080 0002bc 00 AX 0 0 1
[ 7] .resetvec PROGBITS fffffffc 08007c 000004 00 AX 0 0 1
[ 8] .bss NOBITS 00000100 080100 012ba0 00 WA 0 0 256
[ 9] .debug_line PROGBITS 00000000 080080 045fed 00 0 0 1
[10] .debug_line_str PROGBITS 00000000 0c606d 000100 01 MS 0 0 1
[11] .debug_info PROGBITS 00000000 0c616d 084c69 00 0 0 1
[12] .debug_abbrev PROGBITS 00000000 14add6 0167bc 00 0 0 1
[13] .debug_aranges PROGBITS 00000000 161598 003820 00 0 0 8
[14] .debug_str PROGBITS 00000000 164db8 00fb90 01 MS 0 0 1
[15] .debug_rnglists PROGBITS 00000000 174948 005518 00 0 0 1
[16] .debug_loclists PROGBITS 00000000 179e60 03b8d0 00 0 0 1
[17] .comment PROGBITS 00000000 1b5730 000025 01 MS 0 0 1
[18] .gnu.attributes GNU_ATTRIBUTES 00000000 1b5755 000010 00 0 0 1
[19] .symtab SYMTAB 00000000 1b5768 007b40 10 20 537 4
[20] .strtab STRTAB 00000000 1bd2a8 006d85 00 0 0 1
[21] .shstrtab STRTAB 00000000 1c402d 0000e2 00 0 0 1
Bad binary:
Section Headers:
[Nr] Name Type Addr Off Size ES Flg Lk Inf Al
[ 0] <no-strings> NULL 00000000 000000 000000 00 0 0 0
[ 1] <no-strings> NULL 00000000 000000 000000 00 0 0 0
[ 2] <no-strings> NULL 00000000 000000 000000 00 0 0 0
[ 3] <no-strings> NULL 00000000 000000 000000 00 0 0 0
[ 4] <no-strings> NULL 00000000 000000 000000 00 0 0 0
[ 5] <no-strings> NULL 00000000 000000 000000 00 0 0 0
[ 6] <no-strings> NULL 00000000 000000 000000 00 0 0 0
[ 7] <no-strings> NULL 00000000 000000 000000 00 0 0 0
[ 8] <no-strings> NULL 00000000 000000 000000 00 0 0 0
[ 9] <no-strings> NULL 00000000 000000 000000 00 0 0 0
[10] <no-strings> NULL 00000000 000000 000000 00 0 0 0
[11] <no-strings> NULL 00000000 000000 000000 00 0 0 0
[12] <no-strings> NULL 00000000 000000 000000 00 0 0 0
[13] <no-strings> NULL 00000000 000000 000000 00 0 0 0
[14] <no-strings> NULL 00000000 000000 000000 00 0 0 0
[15] <no-strings> NULL 00000000 000000 000000 00 0 0 0
[16] <no-strings> NULL 00000000 000000 000000 00 0 0 0
[17] <no-strings> NULL 00000000 000000 000000 00 0 0 0
[18] <no-strings> NULL 00000000 000000 000000 00 0 0 0
[19] <no-strings> NULL 00000000 000000 000000 00 0 0 0
[20] <no-strings> NULL 00000000 000000 000000 00 0 0 0
[21] <no-strings> NULL 00000000 000000 000000 00 0 0 0
[22] <no-strings> NULL 00000000 000000 000000 00 0 0 0
** Affects: binutils (Ubuntu)
Importance: High
Status: New
** Affects: gcc-14 (Ubuntu)
Importance: Undecided
Status: New
** Affects: qemu (Ubuntu)
Importance: Undecided
Status: New
** Also affects: gcc-14 (Ubuntu)
Importance: Undecided
Status: New
** Also affects: qemu (Ubuntu)
Importance: Undecided
Status: New
--
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https://bugs.launchpad.net/bugs/2077036
Title:
powerpc cross tools generate bogus string table
Status in binutils package in Ubuntu:
New
Status in gcc-14 package in Ubuntu:
New
Status in qemu package in Ubuntu:
New
Bug description:
I'm still not entirely sure whether this problem is caused by binutils
or gcc-14, but my suspicion is that it's the former.
QEMU is being affected by this problem, as can be seen in the
following build log:
https://launchpadlibrarian.net/743528322/buildlog_ubuntu-oracular-
amd64.qemu_1%3A9.0.2+ds-2ubuntu1~ppa6_BUILDING.txt.gz
The interesting part is this one:
...
powerpc-linux-gnu-objcopy -O srec u-boot u-boot.srec
powerpc-linux-gnu-objcopy --gap-fill=0xff -O binary u-boot u-boot.bin
powerpc-linux-gnu-objcopy: warning: u-boot has a corrupt string table index
powerpc-linux-gnu-objcopy: unable to modify 'u-boot' due to errors
make[1]: *** [Makefile:300: u-boot.srec] Error 1
...
So far I have confirmed that using the previous versions of binutils
(2.42.90.20240720-2ubuntu1) and gcc-14 (14.2.0-1ubuntu1) make the QEMU
build work again.
Using powerpc-linux-gnu-readelf to compare the u-boot binary generated
by the "good" binutils+gcc against the "bad" ones, I see:
Good binary:
Section Headers:
[Nr] Name Type Addr Off Size ES Flg Lk Inf Al
[ 0] NULL 00000000 000000 000000 00 0 0 0
[ 1] .text PROGBITS fff80000 000080 046098 00 AX 0 0 16
[ 2] .rodata PROGBITS fffc6098 046118 00b9f9 00 A 0 0 4
[ 3] .reloc PROGBITS fffd1b00 051b80 003678 00 WA 0 0 4
[ 4] .data PROGBITS fffd5178 0551f8 004c94 00 WA 0 0 4
[ 5] .u_boot_cmd PROGBITS fffd9e0c 059e8c 0003d8 00 WA 0 0 4
[ 6] .bootpg PROGBITS fffff000 07f080 0002bc 00 AX 0 0 1
[ 7] .resetvec PROGBITS fffffffc 08007c 000004 00 AX 0 0 1
[ 8] .bss NOBITS 00000100 080100 012ba0 00 WA 0 0 256
[ 9] .debug_line PROGBITS 00000000 080080 045fed 00 0 0 1
[10] .debug_line_str PROGBITS 00000000 0c606d 000100 01 MS 0 0 1
[11] .debug_info PROGBITS 00000000 0c616d 084c69 00 0 0 1
[12] .debug_abbrev PROGBITS 00000000 14add6 0167bc 00 0 0 1
[13] .debug_aranges PROGBITS 00000000 161598 003820 00 0 0 8
[14] .debug_str PROGBITS 00000000 164db8 00fb90 01 MS 0 0 1
[15] .debug_rnglists PROGBITS 00000000 174948 005518 00 0 0 1
[16] .debug_loclists PROGBITS 00000000 179e60 03b8d0 00 0 0 1
[17] .comment PROGBITS 00000000 1b5730 000025 01 MS 0 0 1
[18] .gnu.attributes GNU_ATTRIBUTES 00000000 1b5755 000010 00 0 0 1
[19] .symtab SYMTAB 00000000 1b5768 007b40 10 20 537 4
[20] .strtab STRTAB 00000000 1bd2a8 006d85 00 0 0 1
[21] .shstrtab STRTAB 00000000 1c402d 0000e2 00 0 0 1
Bad binary:
Section Headers:
[Nr] Name Type Addr Off Size ES Flg Lk Inf Al
[ 0] <no-strings> NULL 00000000 000000 000000 00 0 0 0
[ 1] <no-strings> NULL 00000000 000000 000000 00 0 0 0
[ 2] <no-strings> NULL 00000000 000000 000000 00 0 0 0
[ 3] <no-strings> NULL 00000000 000000 000000 00 0 0 0
[ 4] <no-strings> NULL 00000000 000000 000000 00 0 0 0
[ 5] <no-strings> NULL 00000000 000000 000000 00 0 0 0
[ 6] <no-strings> NULL 00000000 000000 000000 00 0 0 0
[ 7] <no-strings> NULL 00000000 000000 000000 00 0 0 0
[ 8] <no-strings> NULL 00000000 000000 000000 00 0 0 0
[ 9] <no-strings> NULL 00000000 000000 000000 00 0 0 0
[10] <no-strings> NULL 00000000 000000 000000 00 0 0 0
[11] <no-strings> NULL 00000000 000000 000000 00 0 0 0
[12] <no-strings> NULL 00000000 000000 000000 00 0 0 0
[13] <no-strings> NULL 00000000 000000 000000 00 0 0 0
[14] <no-strings> NULL 00000000 000000 000000 00 0 0 0
[15] <no-strings> NULL 00000000 000000 000000 00 0 0 0
[16] <no-strings> NULL 00000000 000000 000000 00 0 0 0
[17] <no-strings> NULL 00000000 000000 000000 00 0 0 0
[18] <no-strings> NULL 00000000 000000 000000 00 0 0 0
[19] <no-strings> NULL 00000000 000000 000000 00 0 0 0
[20] <no-strings> NULL 00000000 000000 000000 00 0 0 0
[21] <no-strings> NULL 00000000 000000 000000 00 0 0 0
[22] <no-strings> NULL 00000000 000000 000000 00 0 0 0
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