https://sourceware.org/bugzilla/show_bug.cgi?id=26025
Bug ID: 26025
Summary: riscv gas inserts relocation for BFD_RELOC_RISCV_CFA
in last section of file, instead of relevant section
Product: binutils
Version: unspecified
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: gas
Assignee: unassigned at sourceware dot org
Reporter: je...@j-software.dk
Target Milestone: ---
Created attachment 12562
--> https://sourceware.org/bugzilla/attachment.cgi?id=12562&action=edit
Assembly triggering the bug
Somehow a specific sequence of Dwarf debug info triggers this bug.
It causes R_RISCV_SET32 and R_RISCV_SUB32 relocations to be added to the last
section of the file, in the attached example that would be
.text.z_DEBUGEND_$P$TEST
When trying to link this it would generate a segfault because it's not the
right section, and an empty one
I'm guessing it's because relocations can't be added in riscv_pre_output_hook
the way it's currently done
Steps to reproduce:
riscv32-linux-as test.s -o test.o
riscv32-linux-ld test.o
riscv32-linux-objdump -r test.o
objdump would show two relocations in the last section that should be in
.debug_frame instead
Same thing happens on 64bit toolchain as well
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