Adding an undefined __c6xabi_DSBT_BASE via an EXTERN in the linker
script isn't ideal, as the symbol is not always needed. This patch
adds the undefined symbol on encountering relocations where it is
implicitly referenced.
bfd/
* elf32-tic6x.c (elf32_tic6x_check_relocs): Reference
__c6xabi_DSBT_BASE explicitly for R_C6000_SBR_* relocs.
ld/
* emulparams/elf32_tic6x_le.sh (EXECUTABLE_SYMBOLS): Don't define.
+2018-06-07 Alan Modra <amodra@gmail.com>
+
+ * elf32-tic6x.c (elf32_tic6x_check_relocs): Reference
+ __c6xabi_DSBT_BASE explicitly for R_C6000_SBR_* relocs.
+
2018-06-05 Alan Modra <amodra@gmail.com>
* bfd.c (struct bfd): Update comment on "where" usage.
2018-06-05 Alan Modra <amodra@gmail.com>
* bfd.c (struct bfd): Update comment on "where" usage.
case R_C6000_SBR_H16_B:
case R_C6000_SBR_H16_H:
case R_C6000_SBR_H16_W:
case R_C6000_SBR_H16_B:
case R_C6000_SBR_H16_H:
case R_C6000_SBR_H16_W:
+ {
+ /* These relocations implicitly reference __c6xabi_DSBT_BASE.
+ Add an explicit reference so that the symbol will be
+ provided by a linker script. */
+ struct bfd_link_hash_entry *bh = NULL;
+ if (!_bfd_generic_link_add_one_symbol (info, abfd,
+ "__c6xabi_DSBT_BASE",
+ BSF_GLOBAL,
+ bfd_und_section_ptr, 0,
+ NULL, FALSE, FALSE, &bh))
+ return FALSE;
+ ((struct elf_link_hash_entry *) bh)->non_elf = 0;
+ }
if (h != NULL && bfd_link_executable (info))
{
/* For B14-relative addresses, we might need a copy
if (h != NULL && bfd_link_executable (info))
{
/* For B14-relative addresses, we might need a copy
+2018-06-07 Alan Modra <amodra@gmail.com>
+
+ * emulparams/elf32_tic6x_le.sh (EXECUTABLE_SYMBOLS): Don't define.
+
2018-06-06 Alan Modra <amodra@gmail.com>
* Makefile.am (earmelf_fbsd.c): Correct dependencies.
2018-06-06 Alan Modra <amodra@gmail.com>
* Makefile.am (earmelf_fbsd.c): Correct dependencies.
esac
MAXPAGESIZE="CONSTANT (MAXPAGESIZE)"
ARCH=tic6x
esac
MAXPAGESIZE="CONSTANT (MAXPAGESIZE)"
ARCH=tic6x
-EXECUTABLE_SYMBOLS="EXTERN (__c6xabi_DSBT_BASE);"
OTHER_GOT_SYMBOLS="PROVIDE_HIDDEN (__c6xabi_DSBT_BASE = .);"
# ".bss" is near (small) BSS, ".far" is far (normal) BSS, ".const" is
# far read-only data, ".rodata" is near read-only data. ".neardata"
OTHER_GOT_SYMBOLS="PROVIDE_HIDDEN (__c6xabi_DSBT_BASE = .);"
# ".bss" is near (small) BSS, ".far" is far (normal) BSS, ".const" is
# far read-only data, ".rodata" is near read-only data. ".neardata"