https://sourceware.org/bugzilla/show_bug.cgi?id=32580
Bug ID: 32580
Summary: [2.44 regression] Non-bash shell breaks many default
linker scripts
Product: binutils
Version: 2.44
Status: NEW
Severity: normal
Priority: P2
Component: ld
Assignee: unassigned at sourceware dot org
Reporter: ro at gcc dot gnu.org
CC: nickc at redhat dot com
Target Milestone: ---
Target: *-*-solaris2.11
When trying the binutils 2.44 branch on Solaris, I found that roughly half the
ld test FAIL with
./ld-new:built in linker script:0: syntax error
While this error is as useless as it gets, it turns out that the same problem
happens with the default linker script files, too. In particular, a link with
gcc -shared fails as above, while without it it works.
Comparing the generated linker scripts between 2.43 and 2.44, I see that e.g
elf_i386_sol2.xs is heavily truncated, like
@@ -94,144 +94,3 @@
/* Adjust the address for the data segment. We want to adjust up to
the same address within the page on the next page up. */
. = DATA_SEGMENT_ALIGN (CONSTANT (MAXPAGESIZE), CONSTANT (COMMONPAGESIZE));
- /* Exception handling. */
- .eh_frame : ONLY_IF_RW { KEEP (*(.eh_frame)) *(.eh_frame.*) }
- .sframe : ONLY_IF_RW { *(.sframe) *(.sframe.*) }
[...]
As it turns out, this only happens when CONFIG_SHELL is /bin/ksh (or /bin/sh),
which is ksh93. With /bin/bash, the linker scripts are generated correctly.
This is a regression from 2.43.
I'm still trying to figure out what exactly caused this. So far I've found
that the the problem started with
commit fe217087a4b8aa214a221ca9f033c5fcdbcee90e
Author: Nick Clifton <ni...@redhat.com>
Date: Wed Nov 27 11:23:38 2024 +0000
Tidy up the default ELF linker script
One thing I noticed is that in two places (emit_noinit, emit_persistent)
the cat <<EOF construct has trailing whitespace. However, this doesn't seem
to be the problem.
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