https://sourceware.org/bugzilla/show_bug.cgi?id=31292
Bug ID: 31292
Summary: objcopy: add --prefix-symbols-remove
Product: binutils
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: binutils
Assignee: unassigned at sourceware dot org
Reporter: i at maskray dot me
Target Milestone: ---
objcopy supports --prefix-symbols to prefix all symbols.
Perhaps --prefix-symbols-remove= can be added to remove the prefix.
For example,
cat > a.s <<e
.globl a, b
a: b: c: d:
e
cc -c a.s
objcopy --prefix-symbols=z a.o b.o
objcopy --prefix-symbols-remove=z b.o aa.o
% readelf -Ws b.o
Symbol table '.symtab' contains 5 entries:
Num: Value Size Type Bind Vis Ndx Name
0: 0000000000000000 0 NOTYPE LOCAL DEFAULT UND
1: 0000000000000000 0 NOTYPE LOCAL DEFAULT 1 zc
2: 0000000000000000 0 NOTYPE LOCAL DEFAULT 1 zd
3: 0000000000000000 0 NOTYPE GLOBAL DEFAULT 1 za
4: 0000000000000000 0 NOTYPE GLOBAL DEFAULT 1 zb
aa.o should be similar to a.o
I see this option proposal from https://github.com/llvm/llvm-project/pull/79415
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