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LoongArch: Fix ld "undefined reference" error with --enable-shared

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Because _bfd_read_unsigned_leb128 is hidden visibility, so it can't
  be referenced out of shared object.

  The new function loongarch_get_uleb128_length just used to call
  _bfd_read_unsigned_leb128.

bfd/ChangeLog:

	* elfxx-loongarch.c (loongarch_get_uleb128_length): New function.
	* elfxx-loongarch.h (loongarch_get_uleb128_length): New function.

gas/ChangeLog:

	* config/tc-loongarch.c (md_apply_fix): Use
	loongarch_get_uleb128_length.
This commit is contained in:
mengqinggang 2023-06-13 16:07:12 +08:00 committed by liuzhensong
parent 8203d5e72e
commit d2fddb6d78
3 changed files with 10 additions and 1 deletions
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7
bfd/elfxx-loongarch.c
View File

@ -1944,3 +1944,10 @@ loongarch_write_unsigned_leb128 (bfd_byte *p, unsigned int len, bfd_vma value)
while (len);
return p;
}
int loongarch_get_uleb128_length (bfd_byte *buf)
{
unsigned int len = 0;
_bfd_read_unsigned_leb128 (NULL, buf, &len);
return len;
}

2
bfd/elfxx-loongarch.h
View File

@ -44,6 +44,8 @@ bfd_elf64_loongarch_set_data_segment_info (struct bfd_link_info *, int *);
bfd_byte *
loongarch_write_unsigned_leb128 (bfd_byte *p, unsigned int len, bfd_vma value);
int loongarch_get_uleb128_length (bfd_byte *buf);
/* TRUE if this is a PLT reference to a local IFUNC. */
#define PLT_LOCAL_IFUNC_P(INFO, H) \
((H)->dynindx == -1 \

2
gas/config/tc-loongarch.c
View File

@ -1382,7 +1382,7 @@ md_apply_fix (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED)
case BFD_RELOC_LARCH_SUB_ULEB128:
{
unsigned int len = 0;
_bfd_read_unsigned_leb128 (NULL, (bfd_byte *)buf, &len);
len = loongarch_get_uleb128_length ((bfd_byte *)buf);
bfd_byte *endp = (bfd_byte*) buf + len -1;
/* Clean the uleb128 value to 0. Do not reduce the length. */
memset (buf, 0x80, len - 1);