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-rw-r--r--patches/elfutils-0.176/mips_cfi.patch114
1 files changed, 114 insertions, 0 deletions
diff --git a/patches/elfutils-0.176/mips_cfi.patch b/patches/elfutils-0.176/mips_cfi.patch
new file mode 100644
index 000000000..8dada52c4
--- /dev/null
+++ b/patches/elfutils-0.176/mips_cfi.patch
@@ -0,0 +1,114 @@
+Description: Add MIPS ABI CFI callback
+Author: Kurt Roeckx <kurt@roeckx.be>
+Last-Update: 2018-12-30
+
+Index: elfutils-0.175/backends/Makefile.am
+===================================================================
+--- elfutils-0.175.orig/backends/Makefile.am
++++ elfutils-0.175/backends/Makefile.am
+@@ -141,7 +141,7 @@ parisc_SRCS = parisc_init.c parisc_symbo
+ libebl_parisc_pic_a_SOURCES = $(parisc_SRCS)
+ am_libebl_parisc_pic_a_OBJECTS = $(parisc_SRCS:.c=.os)
+
+-mips_SRCS = mips_init.c mips_symbol.c mips_regs.c mips_retval.c
++mips_SRCS = mips_init.c mips_symbol.c mips_regs.c mips_retval.c mips_cfi.c
+ libebl_mips_pic_a_SOURCES = $(mips_SRCS)
+ am_libebl_mips_pic_a_OBJECTS = $(mips_SRCS:.c=.os)
+
+Index: elfutils-0.175/backends/mips_cfi.c
+===================================================================
+--- /dev/null
++++ elfutils-0.175/backends/mips_cfi.c
+@@ -0,0 +1,80 @@
++/* MIPS ABI-specified defaults for DWARF CFI.
++ Copyright (C) 2018 Kurt Roeckx, Inc.
++ This file is part of elfutils.
++
++ This file is free software; you can redistribute it and/or modify
++ it under the terms of either
++
++ * the GNU Lesser General Public License as published by the Free
++ Software Foundation; either version 3 of the License, or (at
++ your option) any later version
++
++ or
++
++ * the GNU General Public License as published by the Free
++ Software Foundation; either version 2 of the License, or (at
++ your option) any later version
++
++ or both in parallel, as here.
++
++ elfutils is distributed in the hope that it will be useful, but
++ WITHOUT ANY WARRANTY; without even the implied warranty of
++ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
++ General Public License for more details.
++
++ You should have received copies of the GNU General Public License and
++ the GNU Lesser General Public License along with this program. If
++ not, see <http://www.gnu.org/licenses/>. */
++
++#ifdef HAVE_CONFIG_H
++# include <config.h>
++#endif
++
++#include <dwarf.h>
++
++#define BACKEND mips_
++#include "libebl_CPU.h"
++
++int
++mips_abi_cfi (Ebl *ebl __attribute__ ((unused)), Dwarf_CIE *abi_info)
++{
++ static const uint8_t abi_cfi[] =
++ {
++ /* Call-saved regs. */
++ DW_CFA_same_value, ULEB128_7 (16), /* $16 */
++ DW_CFA_same_value, ULEB128_7 (17), /* $17 */
++ DW_CFA_same_value, ULEB128_7 (18), /* $18 */
++ DW_CFA_same_value, ULEB128_7 (19), /* $19 */
++ DW_CFA_same_value, ULEB128_7 (20), /* $20 */
++ DW_CFA_same_value, ULEB128_7 (21), /* $21 */
++ DW_CFA_same_value, ULEB128_7 (22), /* $22 */
++ DW_CFA_same_value, ULEB128_7 (23), /* $23 */
++ DW_CFA_same_value, ULEB128_7 (28), /* $28 */
++ DW_CFA_same_value, ULEB128_7 (29), /* $29 */
++ DW_CFA_same_value, ULEB128_7 (30), /* $30 */
++
++ DW_CFA_same_value, ULEB128_7 (52), /* $f20 */
++ DW_CFA_same_value, ULEB128_7 (53), /* $f21 */
++ DW_CFA_same_value, ULEB128_7 (54), /* $f22 */
++ DW_CFA_same_value, ULEB128_7 (55), /* $f23 */
++ DW_CFA_same_value, ULEB128_7 (56), /* $f24 */
++ DW_CFA_same_value, ULEB128_7 (57), /* $f25 */
++ DW_CFA_same_value, ULEB128_7 (58), /* $f26 */
++ DW_CFA_same_value, ULEB128_7 (59), /* $f27 */
++ DW_CFA_same_value, ULEB128_7 (60), /* $f28 */
++ DW_CFA_same_value, ULEB128_7 (61), /* $f29 */
++ DW_CFA_same_value, ULEB128_7 (62), /* $f30 */
++ DW_CFA_same_value, ULEB128_7 (63), /* $f31 */
++
++ /* The CFA is the SP. */
++ DW_CFA_def_cfa, ULEB128_7 (29), ULEB128_7 (0),
++ };
++
++ abi_info->initial_instructions = abi_cfi;
++ abi_info->initial_instructions_end = &abi_cfi[sizeof abi_cfi];
++ abi_info->data_alignment_factor = 4;
++
++ abi_info->return_address_register = 31; /* $31 */
++
++ return 0;
++}
+Index: elfutils-0.175/backends/mips_init.c
+===================================================================
+--- elfutils-0.175.orig/backends/mips_init.c
++++ elfutils-0.175/backends/mips_init.c
+@@ -50,6 +50,7 @@ mips_init (Elf *elf __attribute__ ((unus
+ HOOK (eh, reloc_simple_type);
+ HOOK (eh, return_value_location);
+ HOOK (eh, register_info);
++ HOOK (eh, abi_cfi);
+
+ return MODVERSION;
+ }