https://sourceware.org/bugzilla/show_bug.cgi?id=34397
Bug ID: 34397
Summary: [RISCV] Fails to function alignment attribute during
relax
Product: binutils
Version: 2.46
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: ld
Assignee: unassigned at sourceware dot org
Reporter: bigmagicreadsun at gmail dot com
Target Milestone: ---
Created attachment 16841
--> https://sourceware.org/bugzilla/attachment.cgi?id=16841&action=edit
test.c
When linking a RISC-V ELF binary using ld with the --relax option, functions
specified with __attribute__((aligned(0x1000))) are not placed at their
expected 4K-aligned addresses. The alignment request is ignored in the final
linked output, despite being correctly emitted in the object file's relocation
entries.
source files test.c and link.ld
riscv64-unknown-elf-gcc -march=rv32imac -mabi=ilp32 -ffunction-sections
-save-temps -v -O2 -c test.c
riscv64-unknown-elf-ld -m elf32lriscv -T link.ld --relax test.o -o test.elf
riscv64-unknown-elf-nm test.elf | grep protected_execute
Observed: 8000103a T protected_execute (not 0x1000-aligned).
GNU ld (GNU Binutils) 2.46.50.20260608
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