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binutils: add support for eBPF

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This patch adds support for ELF64 eBPF to readelf, and fixes a `nm'
test to run properly in bpf-*-* targets.

binutils/ChangeLog:

2019-05-23  Jose E. Marchesi  <jose.marchesi@oracle.com>

	* readelf.c: Include elf/bpf.h.
	(guess_is_rela): Hanle EM_BPF.
	(dump_relocations): Likewise.
	(is_32bit_abs_reloc): Likewise.
	* testsuite/binutils-all/nm.exp: Add bpf-*-* to the list of
	ELF targets.
This commit is contained in:
Jose E. Marchesi 2019-05-23 19:06:17 +02:00
parent 8376927b2c
commit aca4efc7a4
3 changed files with 19 additions and 1 deletions
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9
binutils/ChangeLog
View File

@ -1,3 +1,12 @@
2019-05-23 Jose E. Marchesi <jose.marchesi@oracle.com>
* readelf.c: Include elf/bpf.h.
(guess_is_rela): Hanle EM_BPF.
(dump_relocations): Likewise.
(is_32bit_abs_reloc): Likewise.
* testsuite/binutils-all/nm.exp: Add bpf-*-* to the list of
ELF targets.
2019-05-21 Tamar Christina <tamar.christina@arm.com>
* dwarf.c (dwarf_regnames_aarch64): Add SVE registers.

8
binutils/readelf.c
View File

@ -102,6 +102,7 @@
#include "elf/d10v.h"
#include "elf/d30v.h"
#include "elf/dlx.h"
#include "elf/bpf.h"
#include "elf/epiphany.h"
#include "elf/fr30.h"
#include "elf/frv.h"
@ -781,6 +782,7 @@ guess_is_rela (unsigned int e_machine)
case EM_SCORE:
case EM_XGATE:
case EM_NFP:
case EM_BPF:
return FALSE;
/* Targets that use RELA relocations. */
@ -1482,6 +1484,10 @@ dump_relocations (Filedata * filedata,
rtype = elf_visium_reloc_type (type);
break;
case EM_BPF:
rtype = elf_bpf_reloc_type (type);
break;
case EM_ADAPTEVA_EPIPHANY:
rtype = elf_epiphany_reloc_type (type);
break;
@ -12410,6 +12416,8 @@ is_32bit_abs_reloc (Filedata * filedata, unsigned int reloc_type)
case EM_AARCH64:
return (reloc_type == 258
|| reloc_type == 1); /* R_AARCH64_ABS32 || R_AARCH64_P32_ABS32 */
case EM_BPF:
return reloc_type == 11; /* R_BPF_DATA_32 */
case EM_ADAPTEVA_EPIPHANY:
return reloc_type == 3;
case EM_ALPHA:

3
binutils/testsuite/binutils-all/nm.exp
View File

@ -160,7 +160,8 @@ if { [is_elf_format]
|| [istarget *-*-uclinux*]
|| [istarget ia64-*-*vms*]
|| [istarget *-*-vxworks*]
|| [istarget wasm32-*-*] } {
|| [istarget wasm32-*-*]
|| [istarget bpf-*-*]} {
set nm_1_src "nm-elf-1.s"
} else {
set nm_1_src "nm-1.s"