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Nios II large-GOT relocations

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2014-02-03  Sandra Loosemore  <sandra@codesourcery.com>

	include/elf/
	* nios2.h (R_NIOS2_GOT_LO, R_NIOS2_GOT_HA): New.
	(R_NIOS2_CALL_LO, R_NIOS2_CALL_HA): New.
	(R_NIOS2_ILLEGAL): Adjust.

	gas/
	* config/tc-nios2.c (md_apply_fix): Test for new relocs.
	(nios2_special_reloc): Add %call_lo, %call_hiadj, %got_lo,
	%got_hiadj relocation operators.  Sort table and add comment
	to explain ordering.
	(nios2_fix_adjustable): Test for new relocs.
	* doc/c-nios2.texi (Nios II Relocations): Document new relocation
	operators.

	bfd/
	* reloc.c (BFD_RELOC_NIOS2_GOT_LO, BFD_RELOC_NIOS2_GOT_HA): New.
	(BFD_RELOC_NIOS2_CALL_LO, BFD_RELOC_NIOS2_CALL_HA): New.
	* libbfd.h: Regenerated.
	* bfd-in2.h: Regenerated.
	* elf32-nios2.c (elf_nios2_howto_table_rel): Add new relocations.
	(nios2_reloc_map): Likewise.
	(GOT_USED, CALL_USED): Renamed from GOT16_USED and CALL16_USED.
	Fixed all references.
	(nios2_elf32_relocate_section): Add new relocations.
	(nios2_elf32_check_relocs): Likewise.
	(nios2_elf32_gc_sweep_hook): Likewise.
This commit is contained in:
Sandra Loosemore
2014-02-03 08:42:42 -08:00
parent af09351e0f
commit 1c2de46353
10 changed files with 192 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
gas/config/tc-nios2.c
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@@ -1139,7 +1139,6 @@ md_apply_fix (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED)
|| fixP->fx_r_type == BFD_RELOC_NIOS2_U16
|| fixP->fx_r_type == BFD_RELOC_16_PCREL
|| fixP->fx_r_type == BFD_RELOC_NIOS2_CALL26
|| fixP->fx_r_type == BFD_RELOC_NIOS2_CALL26_NOAT
|| fixP->fx_r_type == BFD_RELOC_NIOS2_IMM5
|| fixP->fx_r_type == BFD_RELOC_NIOS2_CACHE_OPX
|| fixP->fx_r_type == BFD_RELOC_NIOS2_IMM6
@@ -1165,6 +1164,11 @@ md_apply_fix (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED)
|| fixP->fx_r_type == BFD_RELOC_NIOS2_TLS_LE16
|| fixP->fx_r_type == BFD_RELOC_NIOS2_GOTOFF
|| fixP->fx_r_type == BFD_RELOC_NIOS2_TLS_DTPREL
|| fixP->fx_r_type == BFD_RELOC_NIOS2_CALL26_NOAT
|| fixP->fx_r_type == BFD_RELOC_NIOS2_GOT_LO
|| fixP->fx_r_type == BFD_RELOC_NIOS2_GOT_HA
|| fixP->fx_r_type == BFD_RELOC_NIOS2_CALL_LO
|| fixP->fx_r_type == BFD_RELOC_NIOS2_CALL_HA
/* Add other relocs here as we generate them. */
));
@@ -1301,21 +1305,28 @@ struct nios2_special_relocS
bfd_reloc_code_real_type reloc_type;
};
/* This table is sorted so that prefix strings are listed after the longer
strings that include them -- e.g., %got after %got_hiadj, etc. */
struct nios2_special_relocS nios2_special_reloc[] = {
{"%hiadj", BFD_RELOC_NIOS2_HIADJ16},
{"%hi", BFD_RELOC_NIOS2_HI16},
{"%lo", BFD_RELOC_NIOS2_LO16},
{"%gprel", BFD_RELOC_NIOS2_GPREL},
{"%call_lo", BFD_RELOC_NIOS2_CALL_LO},
{"%call_hiadj", BFD_RELOC_NIOS2_CALL_HA},
{"%call", BFD_RELOC_NIOS2_CALL16},
{"%gotoff_lo", BFD_RELOC_NIOS2_GOTOFF_LO},
{"%gotoff_hiadj", BFD_RELOC_NIOS2_GOTOFF_HA},
{"%gotoff", BFD_RELOC_NIOS2_GOTOFF},
{"%got_hiadj", BFD_RELOC_NIOS2_GOT_HA},
{"%got_lo", BFD_RELOC_NIOS2_GOT_LO},
{"%got", BFD_RELOC_NIOS2_GOT16},
{"%tls_gd", BFD_RELOC_NIOS2_TLS_GD16},
{"%tls_ldm", BFD_RELOC_NIOS2_TLS_LDM16},
{"%tls_ldo", BFD_RELOC_NIOS2_TLS_LDO16},
{"%tls_ie", BFD_RELOC_NIOS2_TLS_IE16},
{"%tls_le", BFD_RELOC_NIOS2_TLS_LE16},
{"%gotoff", BFD_RELOC_NIOS2_GOTOFF},
{"%got", BFD_RELOC_NIOS2_GOT16}
};
#define NIOS2_NUM_SPECIAL_RELOCS \
@@ -2824,7 +2835,12 @@ nios2_fix_adjustable (fixS *fixp)
|| fixp->fx_r_type == BFD_RELOC_NIOS2_TLS_DTPMOD
|| fixp->fx_r_type == BFD_RELOC_NIOS2_TLS_DTPREL
|| fixp->fx_r_type == BFD_RELOC_NIOS2_TLS_TPREL
|| fixp->fx_r_type == BFD_RELOC_NIOS2_GOTOFF)
|| fixp->fx_r_type == BFD_RELOC_NIOS2_GOTOFF
|| fixp->fx_r_type == BFD_RELOC_NIOS2_GOT_LO
|| fixp->fx_r_type == BFD_RELOC_NIOS2_GOT_HA
|| fixp->fx_r_type == BFD_RELOC_NIOS2_CALL_LO
|| fixp->fx_r_type == BFD_RELOC_NIOS2_CALL_HA
)
return 0;
return 1;