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From: mengqinggang <mengqinggang@loongson.cn>
To: binutils@sourceware.org
Cc: xuchenghua@loongson.cn, chenglulu@loongson.cn, liuzhensong@loongson.cn,
xry111@xry111.site, i.swmail@xen0n.name, maskray@google.com,
changjiachen@stu.xupt.edu.cn, mengqinggang <mengqinggang@loongson.cn>
Subject: [PATCH v5 0/6] LoongArch linker relaxation support.
Date: Fri, 26 May 2023 15:38:27 +0800
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LoongArch linker relaxation support.
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Message
mengqinggang
May 26, 2023, 7:38 a.m. UTC
This is the v5 version of patches to support loongarch linker relax. This week, the kernek and grub was tested. For kernel, I just did a simple test. It can be compiled correctly and the OS can boot normally. There are some "unsupported relocation" compile errors for grub, because grub currently does not support relax/b16/b21/add/sub relocations. The new LoongArch ABI gitub repo will be released in the next few days. The patch set changelog: v4 -> v5: 1. Change LOONGARCH to LoongArch. mengqinggang (6): LoongArch: include: Add support for linker relaxation. LoongArch: bfd: Add support for linker relaxation. LoongArch: opcodes: Add support for linker relaxation. LoongArch: binutils: Add support for linker relaxation. LoongArch: gas: Add support for linker relaxation. LoongArch: ld: Add support for linker relaxation. bfd/bfd-in2.h | 8 + bfd/elfnn-loongarch.c | 582 +++++++++++++-- bfd/elfxx-loongarch.c | 676 +++++++++++++----- bfd/elfxx-loongarch.h | 10 +- bfd/libbfd.h | 8 + bfd/reloc.c | 22 + binutils/readelf.c | 84 ++- binutils/testsuite/binutils-all/readelf.exp | 13 +- gas/config/tc-loongarch.c | 427 +++++++++-- gas/config/tc-loongarch.h | 48 +- gas/testsuite/gas/all/align.d | 5 +- gas/testsuite/gas/all/gas.exp | 10 +- gas/testsuite/gas/all/relax.d | 4 + gas/testsuite/gas/elf/dwarf-5-irp.d | 3 +- gas/testsuite/gas/elf/dwarf-5-loc0.d | 3 +- gas/testsuite/gas/elf/dwarf-5-macro-include.d | 2 +- gas/testsuite/gas/elf/dwarf-5-macro.d | 2 +- gas/testsuite/gas/elf/dwarf2-11.d | 3 +- gas/testsuite/gas/elf/dwarf2-15.d | 3 +- gas/testsuite/gas/elf/dwarf2-16.d | 3 +- gas/testsuite/gas/elf/dwarf2-17.d | 3 +- gas/testsuite/gas/elf/dwarf2-18.d | 3 +- gas/testsuite/gas/elf/dwarf2-19.d | 3 +- gas/testsuite/gas/elf/dwarf2-5.d | 3 +- gas/testsuite/gas/elf/ehopt0.d | 3 + gas/testsuite/gas/elf/elf.exp | 3 + gas/testsuite/gas/elf/section11.d | 4 +- gas/testsuite/gas/lns/lns.exp | 1 + gas/testsuite/gas/loongarch/jmp_op.d | 65 +- gas/testsuite/gas/loongarch/li.d | 8 +- gas/testsuite/gas/loongarch/macro_op.d | 68 +- gas/testsuite/gas/loongarch/macro_op_32.d | 24 +- .../gas/loongarch/macro_op_large_abs.d | 32 +- .../gas/loongarch/macro_op_large_pc.d | 134 ++-- gas/testsuite/gas/loongarch/relax_align.d | 26 + gas/testsuite/gas/loongarch/relax_align.s | 5 + gas/testsuite/gas/loongarch/uleb128.d | 36 + gas/testsuite/gas/loongarch/uleb128.s | 20 + include/elf/loongarch.h | 20 + include/opcode/loongarch.h | 3 + ld/emultempl/loongarchelf.em | 3 + ld/testsuite/ld-elf/compressed1d.d | 3 + ld/testsuite/ld-elf/pr26936.d | 4 +- ld/testsuite/ld-loongarch-elf/disas-jirl-32.d | 2 + ld/testsuite/ld-loongarch-elf/disas-jirl.d | 4 +- ld/testsuite/ld-loongarch-elf/jmp_op.d | 65 +- ld/testsuite/ld-loongarch-elf/macro_op.d | 84 ++- ld/testsuite/ld-loongarch-elf/macro_op_32.d | 24 +- ld/testsuite/ld-loongarch-elf/relax-align.dd | 7 + ld/testsuite/ld-loongarch-elf/relax-align.s | 9 + ld/testsuite/ld-loongarch-elf/relax.exp | 73 ++ ld/testsuite/ld-loongarch-elf/relax.s | 16 + ld/testsuite/ld-loongarch-elf/uleb128.dd | 10 + ld/testsuite/ld-loongarch-elf/uleb128.s | 21 + opcodes/loongarch-opc.c | 5 +- 55 files changed, 2189 insertions(+), 521 deletions(-) create mode 100644 gas/testsuite/gas/loongarch/relax_align.d create mode 100644 gas/testsuite/gas/loongarch/relax_align.s create mode 100644 gas/testsuite/gas/loongarch/uleb128.d create mode 100644 gas/testsuite/gas/loongarch/uleb128.s create mode 100644 ld/testsuite/ld-loongarch-elf/relax-align.dd create mode 100644 ld/testsuite/ld-loongarch-elf/relax-align.s create mode 100644 ld/testsuite/ld-loongarch-elf/relax.exp create mode 100644 ld/testsuite/ld-loongarch-elf/relax.s create mode 100644 ld/testsuite/ld-loongarch-elf/uleb128.dd create mode 100644 ld/testsuite/ld-loongarch-elf/uleb128.s
Comments
On 5/26/23 08:38, mengqinggang wrote: > This is the v5 version of patches to support loongarch linker relax. > > This week, the kernek and grub was tested. > > For kernel, I just did a simple test. It can be compiled correctly and > the OS can boot normally. > > There are some "unsupported relocation" compile errors for grub, > because grub currently does not support relax/b16/b21/add/sub > relocations. > > The new LoongArch ABI gitub repo will be released in the next > few days. > > The patch set changelog: > > v4 -> v5: > 1. Change LOONGARCH to LoongArch. > > mengqinggang (6): > LoongArch: include: Add support for linker relaxation. > LoongArch: bfd: Add support for linker relaxation. > LoongArch: opcodes: Add support for linker relaxation. > LoongArch: binutils: Add support for linker relaxation. > LoongArch: gas: Add support for linker relaxation. > LoongArch: ld: Add support for linker relaxation. > > bfd/bfd-in2.h | 8 + > bfd/elfnn-loongarch.c | 582 +++++++++++++-- > bfd/elfxx-loongarch.c | 676 +++++++++++++----- > bfd/elfxx-loongarch.h | 10 +- > bfd/libbfd.h | 8 + > bfd/reloc.c | 22 + > binutils/readelf.c | 84 ++- > binutils/testsuite/binutils-all/readelf.exp | 13 +- > gas/config/tc-loongarch.c | 427 +++++++++-- > gas/config/tc-loongarch.h | 48 +- > gas/testsuite/gas/all/align.d | 5 +- > gas/testsuite/gas/all/gas.exp | 10 +- > gas/testsuite/gas/all/relax.d | 4 + > gas/testsuite/gas/elf/dwarf-5-irp.d | 3 +- > gas/testsuite/gas/elf/dwarf-5-loc0.d | 3 +- > gas/testsuite/gas/elf/dwarf-5-macro-include.d | 2 +- > gas/testsuite/gas/elf/dwarf-5-macro.d | 2 +- > gas/testsuite/gas/elf/dwarf2-11.d | 3 +- > gas/testsuite/gas/elf/dwarf2-15.d | 3 +- > gas/testsuite/gas/elf/dwarf2-16.d | 3 +- > gas/testsuite/gas/elf/dwarf2-17.d | 3 +- > gas/testsuite/gas/elf/dwarf2-18.d | 3 +- > gas/testsuite/gas/elf/dwarf2-19.d | 3 +- > gas/testsuite/gas/elf/dwarf2-5.d | 3 +- > gas/testsuite/gas/elf/ehopt0.d | 3 + > gas/testsuite/gas/elf/elf.exp | 3 + > gas/testsuite/gas/elf/section11.d | 4 +- > gas/testsuite/gas/lns/lns.exp | 1 + > gas/testsuite/gas/loongarch/jmp_op.d | 65 +- > gas/testsuite/gas/loongarch/li.d | 8 +- > gas/testsuite/gas/loongarch/macro_op.d | 68 +- > gas/testsuite/gas/loongarch/macro_op_32.d | 24 +- > .../gas/loongarch/macro_op_large_abs.d | 32 +- > .../gas/loongarch/macro_op_large_pc.d | 134 ++-- > gas/testsuite/gas/loongarch/relax_align.d | 26 + > gas/testsuite/gas/loongarch/relax_align.s | 5 + > gas/testsuite/gas/loongarch/uleb128.d | 36 + > gas/testsuite/gas/loongarch/uleb128.s | 20 + > include/elf/loongarch.h | 20 + > include/opcode/loongarch.h | 3 + > ld/emultempl/loongarchelf.em | 3 + > ld/testsuite/ld-elf/compressed1d.d | 3 + > ld/testsuite/ld-elf/pr26936.d | 4 +- > ld/testsuite/ld-loongarch-elf/disas-jirl-32.d | 2 + > ld/testsuite/ld-loongarch-elf/disas-jirl.d | 4 +- > ld/testsuite/ld-loongarch-elf/jmp_op.d | 65 +- > ld/testsuite/ld-loongarch-elf/macro_op.d | 84 ++- > ld/testsuite/ld-loongarch-elf/macro_op_32.d | 24 +- > ld/testsuite/ld-loongarch-elf/relax-align.dd | 7 + > ld/testsuite/ld-loongarch-elf/relax-align.s | 9 + > ld/testsuite/ld-loongarch-elf/relax.exp | 73 ++ > ld/testsuite/ld-loongarch-elf/relax.s | 16 + > ld/testsuite/ld-loongarch-elf/uleb128.dd | 10 + > ld/testsuite/ld-loongarch-elf/uleb128.s | 21 + > opcodes/loongarch-opc.c | 5 +- > 55 files changed, 2189 insertions(+), 521 deletions(-) > create mode 100644 gas/testsuite/gas/loongarch/relax_align.d > create mode 100644 gas/testsuite/gas/loongarch/relax_align.s > create mode 100644 gas/testsuite/gas/loongarch/uleb128.d > create mode 100644 gas/testsuite/gas/loongarch/uleb128.s > create mode 100644 ld/testsuite/ld-loongarch-elf/relax-align.dd > create mode 100644 ld/testsuite/ld-loongarch-elf/relax-align.s > create mode 100644 ld/testsuite/ld-loongarch-elf/relax.exp > create mode 100644 ld/testsuite/ld-loongarch-elf/relax.s > create mode 100644 ld/testsuite/ld-loongarch-elf/uleb128.dd > create mode 100644 ld/testsuite/ld-loongarch-elf/uleb128.s > This seems to have caused build issues with --enable-targets=all in 32-bit hosts. ../../../repos/binutils-gdb/bfd/elfxx-loongarch.c: In function ‘reloc_bits_pcrel20_s2’: ../../../repos/binutils-gdb/bfd/elfxx-loongarch.c:1671:32: error: format ‘%lx’ expects argument of type ‘long unsigned int’, but argument 5 has type ‘bfd_signed_vma’ {aka ‘long long int’} [-Werror=format=] 1671 | (*_bfd_error_handler) (_("%pB: relocation %s right shift %d error 0x%lx"), Could you please take a look at it? Thanks!
Because I don't have a 32-bit machine, I will build a 32-bit virtual environment to handle this issue. 在 2023/5/31 下午5:13, Luis Machado 写道: > On 5/26/23 08:38, mengqinggang wrote: >> This is the v5 version of patches to support loongarch linker relax. >> >> This week, the kernek and grub was tested. >> >> For kernel, I just did a simple test. It can be compiled correctly and >> the OS can boot normally. >> >> There are some "unsupported relocation" compile errors for grub, >> because grub currently does not support relax/b16/b21/add/sub >> relocations. >> >> The new LoongArch ABI gitub repo will be released in the next >> few days. >> >> The patch set changelog: >> >> v4 -> v5: >> 1. Change LOONGARCH to LoongArch. >> >> mengqinggang (6): >> LoongArch: include: Add support for linker relaxation. >> LoongArch: bfd: Add support for linker relaxation. >> LoongArch: opcodes: Add support for linker relaxation. >> LoongArch: binutils: Add support for linker relaxation. >> LoongArch: gas: Add support for linker relaxation. >> LoongArch: ld: Add support for linker relaxation. >> >> bfd/bfd-in2.h | 8 + >> bfd/elfnn-loongarch.c | 582 +++++++++++++-- >> bfd/elfxx-loongarch.c | 676 +++++++++++++----- >> bfd/elfxx-loongarch.h | 10 +- >> bfd/libbfd.h | 8 + >> bfd/reloc.c | 22 + >> binutils/readelf.c | 84 ++- >> binutils/testsuite/binutils-all/readelf.exp | 13 +- >> gas/config/tc-loongarch.c | 427 +++++++++-- >> gas/config/tc-loongarch.h | 48 +- >> gas/testsuite/gas/all/align.d | 5 +- >> gas/testsuite/gas/all/gas.exp | 10 +- >> gas/testsuite/gas/all/relax.d | 4 + >> gas/testsuite/gas/elf/dwarf-5-irp.d | 3 +- >> gas/testsuite/gas/elf/dwarf-5-loc0.d | 3 +- >> gas/testsuite/gas/elf/dwarf-5-macro-include.d | 2 +- >> gas/testsuite/gas/elf/dwarf-5-macro.d | 2 +- >> gas/testsuite/gas/elf/dwarf2-11.d | 3 +- >> gas/testsuite/gas/elf/dwarf2-15.d | 3 +- >> gas/testsuite/gas/elf/dwarf2-16.d | 3 +- >> gas/testsuite/gas/elf/dwarf2-17.d | 3 +- >> gas/testsuite/gas/elf/dwarf2-18.d | 3 +- >> gas/testsuite/gas/elf/dwarf2-19.d | 3 +- >> gas/testsuite/gas/elf/dwarf2-5.d | 3 +- >> gas/testsuite/gas/elf/ehopt0.d | 3 + >> gas/testsuite/gas/elf/elf.exp | 3 + >> gas/testsuite/gas/elf/section11.d | 4 +- >> gas/testsuite/gas/lns/lns.exp | 1 + >> gas/testsuite/gas/loongarch/jmp_op.d | 65 +- >> gas/testsuite/gas/loongarch/li.d | 8 +- >> gas/testsuite/gas/loongarch/macro_op.d | 68 +- >> gas/testsuite/gas/loongarch/macro_op_32.d | 24 +- >> .../gas/loongarch/macro_op_large_abs.d | 32 +- >> .../gas/loongarch/macro_op_large_pc.d | 134 ++-- >> gas/testsuite/gas/loongarch/relax_align.d | 26 + >> gas/testsuite/gas/loongarch/relax_align.s | 5 + >> gas/testsuite/gas/loongarch/uleb128.d | 36 + >> gas/testsuite/gas/loongarch/uleb128.s | 20 + >> include/elf/loongarch.h | 20 + >> include/opcode/loongarch.h | 3 + >> ld/emultempl/loongarchelf.em | 3 + >> ld/testsuite/ld-elf/compressed1d.d | 3 + >> ld/testsuite/ld-elf/pr26936.d | 4 +- >> ld/testsuite/ld-loongarch-elf/disas-jirl-32.d | 2 + >> ld/testsuite/ld-loongarch-elf/disas-jirl.d | 4 +- >> ld/testsuite/ld-loongarch-elf/jmp_op.d | 65 +- >> ld/testsuite/ld-loongarch-elf/macro_op.d | 84 ++- >> ld/testsuite/ld-loongarch-elf/macro_op_32.d | 24 +- >> ld/testsuite/ld-loongarch-elf/relax-align.dd | 7 + >> ld/testsuite/ld-loongarch-elf/relax-align.s | 9 + >> ld/testsuite/ld-loongarch-elf/relax.exp | 73 ++ >> ld/testsuite/ld-loongarch-elf/relax.s | 16 + >> ld/testsuite/ld-loongarch-elf/uleb128.dd | 10 + >> ld/testsuite/ld-loongarch-elf/uleb128.s | 21 + >> opcodes/loongarch-opc.c | 5 +- >> 55 files changed, 2189 insertions(+), 521 deletions(-) >> create mode 100644 gas/testsuite/gas/loongarch/relax_align.d >> create mode 100644 gas/testsuite/gas/loongarch/relax_align.s >> create mode 100644 gas/testsuite/gas/loongarch/uleb128.d >> create mode 100644 gas/testsuite/gas/loongarch/uleb128.s >> create mode 100644 ld/testsuite/ld-loongarch-elf/relax-align.dd >> create mode 100644 ld/testsuite/ld-loongarch-elf/relax-align.s >> create mode 100644 ld/testsuite/ld-loongarch-elf/relax.exp >> create mode 100644 ld/testsuite/ld-loongarch-elf/relax.s >> create mode 100644 ld/testsuite/ld-loongarch-elf/uleb128.dd >> create mode 100644 ld/testsuite/ld-loongarch-elf/uleb128.s >> > > This seems to have caused build issues with --enable-targets=all in > 32-bit hosts. > > ../../../repos/binutils-gdb/bfd/elfxx-loongarch.c: In function > ‘reloc_bits_pcrel20_s2’: > ../../../repos/binutils-gdb/bfd/elfxx-loongarch.c:1671:32: error: > format ‘%lx’ expects argument of type ‘long unsigned int’, but > argument 5 has type ‘bfd_signed_vma’ {aka ‘long long int’} > [-Werror=format=] > 1671 | (*_bfd_error_handler) (_("%pB: relocation %s right shift > %d error 0x%lx"), > > Could you please take a look at it? > > Thanks!
Thanks. I think Nick already address it here: https://inbox.sourceware.org/binutils/87a5xkua9s.fsf@redhat.com/ On 6/5/23 11:31, mengqinggang wrote: > Because I don't have a 32-bit machine, I will build a 32-bit virtual > environment to handle this issue. > > > 在 2023/5/31 下午5:13, Luis Machado 写道: >> On 5/26/23 08:38, mengqinggang wrote: >>> This is the v5 version of patches to support loongarch linker relax. >>> >>> This week, the kernek and grub was tested. >>> >>> For kernel, I just did a simple test. It can be compiled correctly and >>> the OS can boot normally. >>> >>> There are some "unsupported relocation" compile errors for grub, >>> because grub currently does not support relax/b16/b21/add/sub >>> relocations. >>> >>> The new LoongArch ABI gitub repo will be released in the next >>> few days. >>> >>> The patch set changelog: >>> >>> v4 -> v5: >>> 1. Change LOONGARCH to LoongArch. >>> >>> mengqinggang (6): >>> LoongArch: include: Add support for linker relaxation. >>> LoongArch: bfd: Add support for linker relaxation. >>> LoongArch: opcodes: Add support for linker relaxation. >>> LoongArch: binutils: Add support for linker relaxation. >>> LoongArch: gas: Add support for linker relaxation. >>> LoongArch: ld: Add support for linker relaxation. >>> >>> bfd/bfd-in2.h | 8 + >>> bfd/elfnn-loongarch.c | 582 +++++++++++++-- >>> bfd/elfxx-loongarch.c | 676 +++++++++++++----- >>> bfd/elfxx-loongarch.h | 10 +- >>> bfd/libbfd.h | 8 + >>> bfd/reloc.c | 22 + >>> binutils/readelf.c | 84 ++- >>> binutils/testsuite/binutils-all/readelf.exp | 13 +- >>> gas/config/tc-loongarch.c | 427 +++++++++-- >>> gas/config/tc-loongarch.h | 48 +- >>> gas/testsuite/gas/all/align.d | 5 +- >>> gas/testsuite/gas/all/gas.exp | 10 +- >>> gas/testsuite/gas/all/relax.d | 4 + >>> gas/testsuite/gas/elf/dwarf-5-irp.d | 3 +- >>> gas/testsuite/gas/elf/dwarf-5-loc0.d | 3 +- >>> gas/testsuite/gas/elf/dwarf-5-macro-include.d | 2 +- >>> gas/testsuite/gas/elf/dwarf-5-macro.d | 2 +- >>> gas/testsuite/gas/elf/dwarf2-11.d | 3 +- >>> gas/testsuite/gas/elf/dwarf2-15.d | 3 +- >>> gas/testsuite/gas/elf/dwarf2-16.d | 3 +- >>> gas/testsuite/gas/elf/dwarf2-17.d | 3 +- >>> gas/testsuite/gas/elf/dwarf2-18.d | 3 +- >>> gas/testsuite/gas/elf/dwarf2-19.d | 3 +- >>> gas/testsuite/gas/elf/dwarf2-5.d | 3 +- >>> gas/testsuite/gas/elf/ehopt0.d | 3 + >>> gas/testsuite/gas/elf/elf.exp | 3 + >>> gas/testsuite/gas/elf/section11.d | 4 +- >>> gas/testsuite/gas/lns/lns.exp | 1 + >>> gas/testsuite/gas/loongarch/jmp_op.d | 65 +- >>> gas/testsuite/gas/loongarch/li.d | 8 +- >>> gas/testsuite/gas/loongarch/macro_op.d | 68 +- >>> gas/testsuite/gas/loongarch/macro_op_32.d | 24 +- >>> .../gas/loongarch/macro_op_large_abs.d | 32 +- >>> .../gas/loongarch/macro_op_large_pc.d | 134 ++-- >>> gas/testsuite/gas/loongarch/relax_align.d | 26 + >>> gas/testsuite/gas/loongarch/relax_align.s | 5 + >>> gas/testsuite/gas/loongarch/uleb128.d | 36 + >>> gas/testsuite/gas/loongarch/uleb128.s | 20 + >>> include/elf/loongarch.h | 20 + >>> include/opcode/loongarch.h | 3 + >>> ld/emultempl/loongarchelf.em | 3 + >>> ld/testsuite/ld-elf/compressed1d.d | 3 + >>> ld/testsuite/ld-elf/pr26936.d | 4 +- >>> ld/testsuite/ld-loongarch-elf/disas-jirl-32.d | 2 + >>> ld/testsuite/ld-loongarch-elf/disas-jirl.d | 4 +- >>> ld/testsuite/ld-loongarch-elf/jmp_op.d | 65 +- >>> ld/testsuite/ld-loongarch-elf/macro_op.d | 84 ++- >>> ld/testsuite/ld-loongarch-elf/macro_op_32.d | 24 +- >>> ld/testsuite/ld-loongarch-elf/relax-align.dd | 7 + >>> ld/testsuite/ld-loongarch-elf/relax-align.s | 9 + >>> ld/testsuite/ld-loongarch-elf/relax.exp | 73 ++ >>> ld/testsuite/ld-loongarch-elf/relax.s | 16 + >>> ld/testsuite/ld-loongarch-elf/uleb128.dd | 10 + >>> ld/testsuite/ld-loongarch-elf/uleb128.s | 21 + >>> opcodes/loongarch-opc.c | 5 +- >>> 55 files changed, 2189 insertions(+), 521 deletions(-) >>> create mode 100644 gas/testsuite/gas/loongarch/relax_align.d >>> create mode 100644 gas/testsuite/gas/loongarch/relax_align.s >>> create mode 100644 gas/testsuite/gas/loongarch/uleb128.d >>> create mode 100644 gas/testsuite/gas/loongarch/uleb128.s >>> create mode 100644 ld/testsuite/ld-loongarch-elf/relax-align.dd >>> create mode 100644 ld/testsuite/ld-loongarch-elf/relax-align.s >>> create mode 100644 ld/testsuite/ld-loongarch-elf/relax.exp >>> create mode 100644 ld/testsuite/ld-loongarch-elf/relax.s >>> create mode 100644 ld/testsuite/ld-loongarch-elf/uleb128.dd >>> create mode 100644 ld/testsuite/ld-loongarch-elf/uleb128.s >>> >> >> This seems to have caused build issues with --enable-targets=all in 32-bit hosts. >> >> ../../../repos/binutils-gdb/bfd/elfxx-loongarch.c: In function ‘reloc_bits_pcrel20_s2’: >> ../../../repos/binutils-gdb/bfd/elfxx-loongarch.c:1671:32: error: format ‘%lx’ expects argument of type ‘long unsigned int’, but argument 5 has type ‘bfd_signed_vma’ {aka ‘long long int’} [-Werror=format=] >> 1671 | (*_bfd_error_handler) (_("%pB: relocation %s right shift %d error 0x%lx"), >> >> Could you please take a look at it? >> >> Thanks! >