https://sourceware.org/bugzilla/show_bug.cgi?id=24703
Bug ID: 24703
Summary: objcopy fails --prefix-symbols with no error
Product: binutils
Version: 2.31
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: binutils
Assignee: unassigned at sourceware dot org
Reporter: raulftang at gmail dot com
Target Milestone: ---
Created attachment 11846
--> https://sourceware.org/bugzilla/attachment.cgi?id=11846&action=edit
obj files
Hi there,
I've installed binutils 2.31 via homebrew on Mac os Mojave 10.14.2.
I've checked the .o file by: `lipo -info a_enum.o`,
and it print out:
`Non-fat file: a_enum.o is architecture: armv7`.
then I tried to change symbol prefix name by:
`gobjcopy --prefix-symbols rong a_enum.o`
and it print out:
`gobjcopy: a_enum.o: no error`
But symbol table for a_enum.o don't change.
and when I typed in console:
`objdump -t a_enum.o`
it print out:
`a_enum.o： file format Mach-O arm`
SYMBOL TABLE:
000000b4 g F __TEXT,__text _ASN1_ENUMERATED_get
00000000 g F __TEXT,__text _ASN1_ENUMERATED_set
000001c4 g F __TEXT,__text _ASN1_ENUMERATED_to_BN
00000124 g F __TEXT,__text _BN_to_ASN1_ENUMERATED
00000000 *UND* _ASN1_STRING_free
00000000 *UND* _ASN1_STRING_type_new
00000000 *UND* _BN_bin2bn
00000000 *UND* _BN_bn2bin
00000000 *UND* _BN_is_negative
00000000 *UND* _BN_num_bits
00000000 *UND* _BN_set_negative
00000000 *UND* _ERR_put_error
00000000 *UND* _OPENSSL_free
00000000 *UND* _OPENSSL_malloc
00000000 *UND* _OPENSSL_realloc
00000000 *UND* ___stack_chk_fail
00000000 *UND* ___stack_chk_guard
BTW, I used clang to produce the a_enum.o file and it worked for some .o file,
but didn't for others like a_enum.o.
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