[v2,2/2] LoongArch: ld: Fix other pop relocs overflow check and add tests
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Commit Message
Add reloc_unsign_bits() to fix others sop_pop relocs overflow check.
Then add over/underflow tests for relocs B*, SOP_POP* and PCREL20_S2.
bfd/ChangeLog:
* bfd/elfxx-loongarch.c: Add reloc_unsign_bits().
ld/ChangeLog:
* ld/testsuite/ld-loongarch-elf/ld-loongarch-elf.exp: Add tests.
* ld/testsuite/ld-loongarch-elf/abi1_max_imm.dd: New test.
* ld/testsuite/ld-loongarch-elf/abi1_max_imm.s: New test.
* ld/testsuite/ld-loongarch-elf/abi1_sops.s: New test.
* ld/testsuite/ld-loongarch-elf/abi2_max_imm.s: New test.
* ld/testsuite/ld-loongarch-elf/abi2_overflows.s: New test.
* ld/testsuite/ld-loongarch-elf/max_imm_b16.d: New test.
* ld/testsuite/ld-loongarch-elf/max_imm_b21.d: New test.
* ld/testsuite/ld-loongarch-elf/max_imm_b26.d: New test.
* ld/testsuite/ld-loongarch-elf/max_imm_pcrel20.d: New test.
* ld/testsuite/ld-loongarch-elf/overflow_b16.d: New test.
* ld/testsuite/ld-loongarch-elf/overflow_b21.d: New test.
* ld/testsuite/ld-loongarch-elf/overflow_b26.d: New test.
* ld/testsuite/ld-loongarch-elf/overflow_pcrel20.d: New test.
* ld/testsuite/ld-loongarch-elf/overflow_s_0_10_10_16_s2.d: New test.
* ld/testsuite/ld-loongarch-elf/overflow_s_0_5_10_16_s2.d: New test.
* ld/testsuite/ld-loongarch-elf/overflow_s_10_12.d: New test.
* ld/testsuite/ld-loongarch-elf/overflow_s_10_16.d: New test.
* ld/testsuite/ld-loongarch-elf/overflow_s_10_16_s2.d: New test.
* ld/testsuite/ld-loongarch-elf/overflow_s_10_5.d: New test.
* ld/testsuite/ld-loongarch-elf/overflow_s_5_20.d: New test.
* ld/testsuite/ld-loongarch-elf/overflow_u.d: New test.
* ld/testsuite/ld-loongarch-elf/overflow_u_10_12.d: New test.
* ld/testsuite/ld-loongarch-elf/underflow_b16.d: New test.
* ld/testsuite/ld-loongarch-elf/underflow_b21.d: New test.
* ld/testsuite/ld-loongarch-elf/underflow_b26.d: New test.
* ld/testsuite/ld-loongarch-elf/underflow_pcrel20.d: New test.
* ld/testsuite/ld-loongarch-elf/underflow_s_0_10_10_16_s2.d: New test.
* ld/testsuite/ld-loongarch-elf/underflow_s_0_5_10_16_s2.d: New test.
* ld/testsuite/ld-loongarch-elf/underflow_s_10_12.d: New test.
* ld/testsuite/ld-loongarch-elf/underflow_s_10_16.d: New test.
* ld/testsuite/ld-loongarch-elf/underflow_s_10_16_s2.d: New test.
* ld/testsuite/ld-loongarch-elf/underflow_s_10_5.d: New test.
* ld/testsuite/ld-loongarch-elf/underflow_s_5_20.d: New test.
---
v2:
1. Change filename to max_imm, overflow and underflow.
2. Add -Ttext 0x20000000 when check b16, b21, b26, pcrel20_s2.
bfd/elfxx-loongarch.c | 33 ++++++++++----
ld/testsuite/ld-loongarch-elf/abi1_max_imm.dd | 18 ++++++++
ld/testsuite/ld-loongarch-elf/abi1_max_imm.s | 39 +++++++++++++++++
ld/testsuite/ld-loongarch-elf/abi1_sops.s | 43 +++++++++++++++++++
ld/testsuite/ld-loongarch-elf/abi2_max_imm.s | 24 +++++++++++
.../ld-loongarch-elf/abi2_overflows.s | 24 +++++++++++
.../ld-loongarch-elf/ld-loongarch-elf.exp | 39 +++++++++++++++++
ld/testsuite/ld-loongarch-elf/max_imm_b16.d | 9 ++++
ld/testsuite/ld-loongarch-elf/max_imm_b21.d | 9 ++++
ld/testsuite/ld-loongarch-elf/max_imm_b26.d | 9 ++++
.../ld-loongarch-elf/max_imm_pcrel20.d | 9 ++++
ld/testsuite/ld-loongarch-elf/overflow_b16.d | 4 ++
ld/testsuite/ld-loongarch-elf/overflow_b21.d | 4 ++
ld/testsuite/ld-loongarch-elf/overflow_b26.d | 4 ++
.../ld-loongarch-elf/overflow_pcrel20.d | 4 ++
.../overflow_s_0_10_10_16_s2.d | 4 ++
.../overflow_s_0_5_10_16_s2.d | 4 ++
.../ld-loongarch-elf/overflow_s_10_12.d | 4 ++
.../ld-loongarch-elf/overflow_s_10_16.d | 4 ++
.../ld-loongarch-elf/overflow_s_10_16_s2.d | 4 ++
.../ld-loongarch-elf/overflow_s_10_5.d | 4 ++
.../ld-loongarch-elf/overflow_s_5_20.d | 4 ++
ld/testsuite/ld-loongarch-elf/overflow_u.d | 4 ++
.../ld-loongarch-elf/overflow_u_10_12.d | 4 ++
ld/testsuite/ld-loongarch-elf/underflow_b16.d | 4 ++
ld/testsuite/ld-loongarch-elf/underflow_b21.d | 4 ++
ld/testsuite/ld-loongarch-elf/underflow_b26.d | 4 ++
.../ld-loongarch-elf/underflow_pcrel20.d | 4 ++
.../underflow_s_0_10_10_16_s2.d | 4 ++
.../underflow_s_0_5_10_16_s2.d | 4 ++
.../ld-loongarch-elf/underflow_s_10_12.d | 4 ++
.../ld-loongarch-elf/underflow_s_10_16.d | 4 ++
.../ld-loongarch-elf/underflow_s_10_16_s2.d | 4 ++
.../ld-loongarch-elf/underflow_s_10_5.d | 4 ++
.../ld-loongarch-elf/underflow_s_5_20.d | 4 ++
35 files changed, 343 insertions(+), 9 deletions(-)
create mode 100644 ld/testsuite/ld-loongarch-elf/abi1_max_imm.dd
create mode 100644 ld/testsuite/ld-loongarch-elf/abi1_max_imm.s
create mode 100644 ld/testsuite/ld-loongarch-elf/abi1_sops.s
create mode 100644 ld/testsuite/ld-loongarch-elf/abi2_max_imm.s
create mode 100644 ld/testsuite/ld-loongarch-elf/abi2_overflows.s
create mode 100644 ld/testsuite/ld-loongarch-elf/max_imm_b16.d
create mode 100644 ld/testsuite/ld-loongarch-elf/max_imm_b21.d
create mode 100644 ld/testsuite/ld-loongarch-elf/max_imm_b26.d
create mode 100644 ld/testsuite/ld-loongarch-elf/max_imm_pcrel20.d
create mode 100644 ld/testsuite/ld-loongarch-elf/overflow_b16.d
create mode 100644 ld/testsuite/ld-loongarch-elf/overflow_b21.d
create mode 100644 ld/testsuite/ld-loongarch-elf/overflow_b26.d
create mode 100644 ld/testsuite/ld-loongarch-elf/overflow_pcrel20.d
create mode 100644 ld/testsuite/ld-loongarch-elf/overflow_s_0_10_10_16_s2.d
create mode 100644 ld/testsuite/ld-loongarch-elf/overflow_s_0_5_10_16_s2.d
create mode 100644 ld/testsuite/ld-loongarch-elf/overflow_s_10_12.d
create mode 100644 ld/testsuite/ld-loongarch-elf/overflow_s_10_16.d
create mode 100644 ld/testsuite/ld-loongarch-elf/overflow_s_10_16_s2.d
create mode 100644 ld/testsuite/ld-loongarch-elf/overflow_s_10_5.d
create mode 100644 ld/testsuite/ld-loongarch-elf/overflow_s_5_20.d
create mode 100644 ld/testsuite/ld-loongarch-elf/overflow_u.d
create mode 100644 ld/testsuite/ld-loongarch-elf/overflow_u_10_12.d
create mode 100644 ld/testsuite/ld-loongarch-elf/underflow_b16.d
create mode 100644 ld/testsuite/ld-loongarch-elf/underflow_b21.d
create mode 100644 ld/testsuite/ld-loongarch-elf/underflow_b26.d
create mode 100644 ld/testsuite/ld-loongarch-elf/underflow_pcrel20.d
create mode 100644 ld/testsuite/ld-loongarch-elf/underflow_s_0_10_10_16_s2.d
create mode 100644 ld/testsuite/ld-loongarch-elf/underflow_s_0_5_10_16_s2.d
create mode 100644 ld/testsuite/ld-loongarch-elf/underflow_s_10_12.d
create mode 100644 ld/testsuite/ld-loongarch-elf/underflow_s_10_16.d
create mode 100644 ld/testsuite/ld-loongarch-elf/underflow_s_10_16_s2.d
create mode 100644 ld/testsuite/ld-loongarch-elf/underflow_s_10_5.d
create mode 100644 ld/testsuite/ld-loongarch-elf/underflow_s_5_20.d
Comments
在 2023/9/2 下午2:50, Jinyang He 写道:
> Add reloc_unsign_bits() to fix others sop_pop relocs overflow check.
> Then add over/underflow tests for relocs B*, SOP_POP* and PCREL20_S2.
>
> bfd/ChangeLog:
>
> * bfd/elfxx-loongarch.c: Add reloc_unsign_bits().
>
> ld/ChangeLog:
>
> * ld/testsuite/ld-loongarch-elf/ld-loongarch-elf.exp: Add tests.
> * ld/testsuite/ld-loongarch-elf/abi1_max_imm.dd: New test.
> * ld/testsuite/ld-loongarch-elf/abi1_max_imm.s: New test.
> * ld/testsuite/ld-loongarch-elf/abi1_sops.s: New test.
> * ld/testsuite/ld-loongarch-elf/abi2_max_imm.s: New test.
> * ld/testsuite/ld-loongarch-elf/abi2_overflows.s: New test.
> * ld/testsuite/ld-loongarch-elf/max_imm_b16.d: New test.
> * ld/testsuite/ld-loongarch-elf/max_imm_b21.d: New test.
> * ld/testsuite/ld-loongarch-elf/max_imm_b26.d: New test.
> * ld/testsuite/ld-loongarch-elf/max_imm_pcrel20.d: New test.
> * ld/testsuite/ld-loongarch-elf/overflow_b16.d: New test.
> * ld/testsuite/ld-loongarch-elf/overflow_b21.d: New test.
> * ld/testsuite/ld-loongarch-elf/overflow_b26.d: New test.
> * ld/testsuite/ld-loongarch-elf/overflow_pcrel20.d: New test.
> * ld/testsuite/ld-loongarch-elf/overflow_s_0_10_10_16_s2.d: New test.
> * ld/testsuite/ld-loongarch-elf/overflow_s_0_5_10_16_s2.d: New test.
> * ld/testsuite/ld-loongarch-elf/overflow_s_10_12.d: New test.
> * ld/testsuite/ld-loongarch-elf/overflow_s_10_16.d: New test.
> * ld/testsuite/ld-loongarch-elf/overflow_s_10_16_s2.d: New test.
> * ld/testsuite/ld-loongarch-elf/overflow_s_10_5.d: New test.
> * ld/testsuite/ld-loongarch-elf/overflow_s_5_20.d: New test.
> * ld/testsuite/ld-loongarch-elf/overflow_u.d: New test.
> * ld/testsuite/ld-loongarch-elf/overflow_u_10_12.d: New test.
> * ld/testsuite/ld-loongarch-elf/underflow_b16.d: New test.
> * ld/testsuite/ld-loongarch-elf/underflow_b21.d: New test.
> * ld/testsuite/ld-loongarch-elf/underflow_b26.d: New test.
> * ld/testsuite/ld-loongarch-elf/underflow_pcrel20.d: New test.
> * ld/testsuite/ld-loongarch-elf/underflow_s_0_10_10_16_s2.d: New test.
> * ld/testsuite/ld-loongarch-elf/underflow_s_0_5_10_16_s2.d: New test.
> * ld/testsuite/ld-loongarch-elf/underflow_s_10_12.d: New test.
> * ld/testsuite/ld-loongarch-elf/underflow_s_10_16.d: New test.
> * ld/testsuite/ld-loongarch-elf/underflow_s_10_16_s2.d: New test.
> * ld/testsuite/ld-loongarch-elf/underflow_s_10_5.d: New test.
> * ld/testsuite/ld-loongarch-elf/underflow_s_5_20.d: New test.
> ---
>
> v2:
> 1. Change filename to max_imm, overflow and underflow.
> 2. Add -Ttext 0x20000000 when check b16, b21, b26, pcrel20_s2.
>
> bfd/elfxx-loongarch.c | 33 ++++++++++----
> ld/testsuite/ld-loongarch-elf/abi1_max_imm.dd | 18 ++++++++
> ld/testsuite/ld-loongarch-elf/abi1_max_imm.s | 39 +++++++++++++++++
> ld/testsuite/ld-loongarch-elf/abi1_sops.s | 43 +++++++++++++++++++
> ld/testsuite/ld-loongarch-elf/abi2_max_imm.s | 24 +++++++++++
> .../ld-loongarch-elf/abi2_overflows.s | 24 +++++++++++
> .../ld-loongarch-elf/ld-loongarch-elf.exp | 39 +++++++++++++++++
> ld/testsuite/ld-loongarch-elf/max_imm_b16.d | 9 ++++
> ld/testsuite/ld-loongarch-elf/max_imm_b21.d | 9 ++++
> ld/testsuite/ld-loongarch-elf/max_imm_b26.d | 9 ++++
> .../ld-loongarch-elf/max_imm_pcrel20.d | 9 ++++
> ld/testsuite/ld-loongarch-elf/overflow_b16.d | 4 ++
> ld/testsuite/ld-loongarch-elf/overflow_b21.d | 4 ++
> ld/testsuite/ld-loongarch-elf/overflow_b26.d | 4 ++
> .../ld-loongarch-elf/overflow_pcrel20.d | 4 ++
> .../overflow_s_0_10_10_16_s2.d | 4 ++
> .../overflow_s_0_5_10_16_s2.d | 4 ++
> .../ld-loongarch-elf/overflow_s_10_12.d | 4 ++
> .../ld-loongarch-elf/overflow_s_10_16.d | 4 ++
> .../ld-loongarch-elf/overflow_s_10_16_s2.d | 4 ++
> .../ld-loongarch-elf/overflow_s_10_5.d | 4 ++
> .../ld-loongarch-elf/overflow_s_5_20.d | 4 ++
> ld/testsuite/ld-loongarch-elf/overflow_u.d | 4 ++
> .../ld-loongarch-elf/overflow_u_10_12.d | 4 ++
> ld/testsuite/ld-loongarch-elf/underflow_b16.d | 4 ++
> ld/testsuite/ld-loongarch-elf/underflow_b21.d | 4 ++
> ld/testsuite/ld-loongarch-elf/underflow_b26.d | 4 ++
> .../ld-loongarch-elf/underflow_pcrel20.d | 4 ++
> .../underflow_s_0_10_10_16_s2.d | 4 ++
> .../underflow_s_0_5_10_16_s2.d | 4 ++
> .../ld-loongarch-elf/underflow_s_10_12.d | 4 ++
> .../ld-loongarch-elf/underflow_s_10_16.d | 4 ++
> .../ld-loongarch-elf/underflow_s_10_16_s2.d | 4 ++
> .../ld-loongarch-elf/underflow_s_10_5.d | 4 ++
> .../ld-loongarch-elf/underflow_s_5_20.d | 4 ++
> 35 files changed, 343 insertions(+), 9 deletions(-)
> create mode 100644 ld/testsuite/ld-loongarch-elf/abi1_max_imm.dd
> create mode 100644 ld/testsuite/ld-loongarch-elf/abi1_max_imm.s
> create mode 100644 ld/testsuite/ld-loongarch-elf/abi1_sops.s
> create mode 100644 ld/testsuite/ld-loongarch-elf/abi2_max_imm.s
> create mode 100644 ld/testsuite/ld-loongarch-elf/abi2_overflows.s
> create mode 100644 ld/testsuite/ld-loongarch-elf/max_imm_b16.d
> create mode 100644 ld/testsuite/ld-loongarch-elf/max_imm_b21.d
> create mode 100644 ld/testsuite/ld-loongarch-elf/max_imm_b26.d
> create mode 100644 ld/testsuite/ld-loongarch-elf/max_imm_pcrel20.d
> create mode 100644 ld/testsuite/ld-loongarch-elf/overflow_b16.d
> create mode 100644 ld/testsuite/ld-loongarch-elf/overflow_b21.d
> create mode 100644 ld/testsuite/ld-loongarch-elf/overflow_b26.d
> create mode 100644 ld/testsuite/ld-loongarch-elf/overflow_pcrel20.d
> create mode 100644 ld/testsuite/ld-loongarch-elf/overflow_s_0_10_10_16_s2.d
> create mode 100644 ld/testsuite/ld-loongarch-elf/overflow_s_0_5_10_16_s2.d
> create mode 100644 ld/testsuite/ld-loongarch-elf/overflow_s_10_12.d
> create mode 100644 ld/testsuite/ld-loongarch-elf/overflow_s_10_16.d
> create mode 100644 ld/testsuite/ld-loongarch-elf/overflow_s_10_16_s2.d
> create mode 100644 ld/testsuite/ld-loongarch-elf/overflow_s_10_5.d
> create mode 100644 ld/testsuite/ld-loongarch-elf/overflow_s_5_20.d
> create mode 100644 ld/testsuite/ld-loongarch-elf/overflow_u.d
> create mode 100644 ld/testsuite/ld-loongarch-elf/overflow_u_10_12.d
> create mode 100644 ld/testsuite/ld-loongarch-elf/underflow_b16.d
> create mode 100644 ld/testsuite/ld-loongarch-elf/underflow_b21.d
> create mode 100644 ld/testsuite/ld-loongarch-elf/underflow_b26.d
> create mode 100644 ld/testsuite/ld-loongarch-elf/underflow_pcrel20.d
> create mode 100644 ld/testsuite/ld-loongarch-elf/underflow_s_0_10_10_16_s2.d
> create mode 100644 ld/testsuite/ld-loongarch-elf/underflow_s_0_5_10_16_s2.d
> create mode 100644 ld/testsuite/ld-loongarch-elf/underflow_s_10_12.d
> create mode 100644 ld/testsuite/ld-loongarch-elf/underflow_s_10_16.d
> create mode 100644 ld/testsuite/ld-loongarch-elf/underflow_s_10_16_s2.d
> create mode 100644 ld/testsuite/ld-loongarch-elf/underflow_s_10_5.d
> create mode 100644 ld/testsuite/ld-loongarch-elf/underflow_s_5_20.d
>
> diff --git a/bfd/elfxx-loongarch.c b/bfd/elfxx-loongarch.c
> index 924b11cfa..9b4fbfe36 100644
> --- a/bfd/elfxx-loongarch.c
> +++ b/bfd/elfxx-loongarch.c
> @@ -55,6 +55,8 @@ static bool
> reloc_bits (bfd *abfd, reloc_howto_type *howto, bfd_vma *val);
> static bool
> reloc_sign_bits (bfd *abfd, reloc_howto_type *howto, bfd_vma *fix_val);
> +static bool
> +reloc_unsign_bits (bfd *abfd, reloc_howto_type *howto, bfd_vma *fix_val);
>
> static bfd_reloc_status_type
> loongarch_elf_add_sub_reloc (bfd *, arelent *, asymbol *, void *,
> @@ -383,7 +385,7 @@ static loongarch_reloc_howto_type loongarch_howto_table[] =
> 0x7c00, /* dst_mask */
> false, /* pcrel_offset */
> BFD_RELOC_LARCH_SOP_POP_32_S_10_5, /* bfd_reloc_code_real_type */
> - reloc_bits, /* adjust_reloc_bits */
> + reloc_sign_bits, /* adjust_reloc_bits */
> NULL), /* larch_reloc_type_name */
>
> LOONGARCH_HOWTO (R_LARCH_SOP_POP_32_U_10_12, /* type (39). */
> @@ -400,7 +402,7 @@ static loongarch_reloc_howto_type loongarch_howto_table[] =
> 0x3ffc00, /* dst_mask */
> false, /* pcrel_offset */
> BFD_RELOC_LARCH_SOP_POP_32_U_10_12, /* bfd_reloc_code_real_type */
> - reloc_bits, /* adjust_reloc_bits */
> + reloc_unsign_bits, /* adjust_reloc_bits */
> NULL), /* larch_reloc_type_name */
>
> LOONGARCH_HOWTO (R_LARCH_SOP_POP_32_S_10_12, /* type (40). */
> @@ -417,7 +419,7 @@ static loongarch_reloc_howto_type loongarch_howto_table[] =
> 0x3ffc00, /* dst_mask */
> false, /* pcrel_offset */
> BFD_RELOC_LARCH_SOP_POP_32_S_10_12, /* bfd_reloc_code_real_type */
> - reloc_bits, /* adjust_reloc_bits */
> + reloc_sign_bits, /* adjust_reloc_bits */
> NULL), /* larch_reloc_type_name */
>
> LOONGARCH_HOWTO (R_LARCH_SOP_POP_32_S_10_16, /* type (41). */
> @@ -434,7 +436,7 @@ static loongarch_reloc_howto_type loongarch_howto_table[] =
> 0x3fffc00, /* dst_mask */
> false, /* pcrel_offset */
> BFD_RELOC_LARCH_SOP_POP_32_S_10_16, /* bfd_reloc_code_real_type */
> - reloc_bits, /* adjust_reloc_bits */
> + reloc_sign_bits, /* adjust_reloc_bits */
> NULL), /* larch_reloc_type_name */
>
> LOONGARCH_HOWTO (R_LARCH_SOP_POP_32_S_10_16_S2, /* type (42). */
> @@ -468,7 +470,7 @@ static loongarch_reloc_howto_type loongarch_howto_table[] =
> 0x1ffffe0, /* dst_mask */
> false, /* pcrel_offset */
> BFD_RELOC_LARCH_SOP_POP_32_S_5_20, /* bfd_reloc_code_real_type */
> - reloc_bits, /* adjust_reloc_bits */
> + reloc_sign_bits, /* adjust_reloc_bits */
> NULL), /* larch_reloc_type_name */
>
> LOONGARCH_HOWTO (R_LARCH_SOP_POP_32_S_0_5_10_16_S2,
> @@ -522,7 +524,7 @@ static loongarch_reloc_howto_type loongarch_howto_table[] =
> 0x00000000ffffffff, /* dst_mask */
> false, /* pcrel_offset */
> BFD_RELOC_LARCH_SOP_POP_32_U, /* bfd_reloc_code_real_type */
> - reloc_bits, /* adjust_reloc_bits */
> + reloc_unsign_bits, /* adjust_reloc_bits */
> NULL), /* larch_reloc_type_name */
>
> /* 8-bit in-place addition, for local label subtraction. */
> @@ -1671,9 +1673,10 @@ reloc_bits (bfd *abfd ATTRIBUTE_UNUSED,
> }
>
> static bool
> -reloc_sign_bits (bfd *abfd, reloc_howto_type *howto, bfd_vma *fix_val)
> +reloc_bits_sanity (bfd *abfd, reloc_howto_type *howto, bfd_vma *fix_val, bool sign)
> {
> - if (howto->complain_on_overflow != complain_overflow_signed)
> + if ((sign && howto->complain_on_overflow != complain_overflow_signed)
> + || (!sign && howto->complain_on_overflow != complain_overflow_unsigned))
> return false;
>
> bfd_signed_vma val = (bfd_signed_vma)(*fix_val);
> @@ -1689,7 +1692,7 @@ reloc_sign_bits (bfd *abfd, reloc_howto_type *howto, bfd_vma *fix_val)
> }
>
> bfd_signed_vma mask = ((bfd_signed_vma)0x1 << (howto->bitsize
> - + howto->rightshift - 1)) - 1;
> + + howto->rightshift - sign)) - 1;
Is safe to compute howto->rightshift(unsigned int) and sign(bool)?
>
> /* Positive number: high part is all 0;
> Negative number: if high part is not all 0, high part must be all 1.
> @@ -1728,6 +1731,18 @@ reloc_sign_bits (bfd *abfd, reloc_howto_type *howto, bfd_vma *fix_val)
> return true;
> }
>
> +static bool
> +reloc_sign_bits (bfd *abfd, reloc_howto_type *howto, bfd_vma *fix_val)
> +{
> + return reloc_bits_sanity (abfd, howto, fix_val, true);
> +}
> +
> +static bool
> +reloc_unsign_bits (bfd *abfd, reloc_howto_type *howto, bfd_vma *fix_val)
> +{
> + return reloc_bits_sanity (abfd, howto, fix_val, false);
> +}
> +
> bool
> loongarch_adjust_reloc_bitsfield (bfd *abfd, reloc_howto_type *howto,
> bfd_vma *fix_val)
> diff --git a/ld/testsuite/ld-loongarch-elf/abi1_max_imm.dd b/ld/testsuite/ld-loongarch-elf/abi1_max_imm.dd
> new file mode 100644
> index 000000000..c85271408
> --- /dev/null
> +++ b/ld/testsuite/ld-loongarch-elf/abi1_max_imm.dd
> @@ -0,0 +1,18 @@
> +#...
> +.*00003c00.*
> +.*00004000.*
> +.*001ffc00.*
> +.*00200000.*
> +.*01fffc00.*
> +.*02000000.*
> +.*01fffc00.*
> +.*02000000.*
> +.*03fffc0f.*
> +.*00000010.*
> +.*03fffdff.*
> +.*00000200.*
> +.*00ffffe0.*
> +.*01000000.*
> +.*003ffc00.*
> +.*ffffffff.*
> +#pass
> diff --git a/ld/testsuite/ld-loongarch-elf/abi1_max_imm.s b/ld/testsuite/ld-loongarch-elf/abi1_max_imm.s
> new file mode 100644
> index 000000000..02507f19c
> --- /dev/null
> +++ b/ld/testsuite/ld-loongarch-elf/abi1_max_imm.s
> @@ -0,0 +1,39 @@
> +.macro sign_check reloc_name reloc_bits
> + .reloc off, R_LARCH_SOP_PUSH_ABSOLUTE, (1 << (\reloc_bits - 1)) - 1
> + .reloc off, \reloc_name
> + .word 0
> + .set off, off + 4
> + .reloc off, R_LARCH_SOP_PUSH_ABSOLUTE, -(1 << (\reloc_bits - 1))
> + .reloc off, \reloc_name
> + .word 0
> + .set off, off + 4
> +.endm
> +
> +.macro sign_check_s2 reloc_name reloc_bits
> + .reloc off, R_LARCH_SOP_PUSH_ABSOLUTE, ((1 << (\reloc_bits - 1)) - 1) << 2
> + .reloc off, \reloc_name
> + .word 0
> + .set off, off + 4
> + .reloc off, R_LARCH_SOP_PUSH_ABSOLUTE, (-(1 << (\reloc_bits - 1))) << 2
> + .reloc off, \reloc_name
> + .word 0
> + .set off, off + 4
> +.endm
> +
> +.macro unsign_check reloc_name reloc_bits
> + .reloc off, R_LARCH_SOP_PUSH_ABSOLUTE, (1 << \reloc_bits) - 1
> + .reloc off, \reloc_name
> + .word 0
> + .set off, off + 4
> +.endm
> +
> +.set off, 0
> +sign_check R_LARCH_SOP_POP_32_S_10_5 5
> +sign_check R_LARCH_SOP_POP_32_S_10_12 12
> +sign_check R_LARCH_SOP_POP_32_S_10_16 16
> +sign_check_s2 R_LARCH_SOP_POP_32_S_10_16_S2 16
> +sign_check_s2 R_LARCH_SOP_POP_32_S_0_5_10_16_S2 21
> +sign_check_s2 R_LARCH_SOP_POP_32_S_0_10_10_16_S2 26
> +sign_check R_LARCH_SOP_POP_32_S_5_20 20
> +unsign_check R_LARCH_SOP_POP_32_U_10_12 12
> +unsign_check R_LARCH_SOP_POP_32_U 32
> diff --git a/ld/testsuite/ld-loongarch-elf/abi1_sops.s b/ld/testsuite/ld-loongarch-elf/abi1_sops.s
> new file mode 100644
> index 000000000..34f2d5920
> --- /dev/null
> +++ b/ld/testsuite/ld-loongarch-elf/abi1_sops.s
> @@ -0,0 +1,43 @@
> +.macro sign_check reloc_sym reloc_name reloc_bits
> + .ifdef \reloc_sym
> + .ifdef overflow
> + .reloc 0, R_LARCH_SOP_PUSH_ABSOLUTE, 1 << (\reloc_bits - 1)
> + .reloc 0, \reloc_name
> + .else
> + .reloc 0, R_LARCH_SOP_PUSH_ABSOLUTE, -(1 << (\reloc_bits - 1)) - 1
> + .reloc 0, \reloc_name
> + .endif
> + .word 0
> + .endif
> +.endm
> +
> +.macro sign_check_s2 reloc_sym reloc_name reloc_bits
> + .ifdef \reloc_sym
> + .ifdef overflow
> + .reloc 0, R_LARCH_SOP_PUSH_ABSOLUTE, (1 << (\reloc_bits - 1)) << 2
> + .reloc 0, \reloc_name
> + .else
> + .reloc 0, R_LARCH_SOP_PUSH_ABSOLUTE, (-(1 << (\reloc_bits - 1)) - 1) << 2
> + .reloc 0, \reloc_name
> + .endif
> + .word 0
> + .endif
> +.endm
> +
> +.macro unsign_check reloc_sym reloc_name reloc_bits
> + .ifdef \reloc_sym
> + .reloc 0, R_LARCH_SOP_PUSH_ABSOLUTE, 1 << \reloc_bits
> + .reloc 0, \reloc_name
> + .word 0
> + .endif
> +.endm
> +
> +sign_check s_10_5 R_LARCH_SOP_POP_32_S_10_5 5
> +sign_check s_10_12 R_LARCH_SOP_POP_32_S_10_12 12
> +sign_check s_10_16 R_LARCH_SOP_POP_32_S_10_16 16
> +sign_check_s2 s_10_16_s2 R_LARCH_SOP_POP_32_S_10_16_S2 16
> +sign_check_s2 s_0_5_10_16_s2 R_LARCH_SOP_POP_32_S_0_5_10_16_S2 21
> +sign_check_s2 s_0_10_10_16_s2 R_LARCH_SOP_POP_32_S_0_10_10_16_S2 26
> +sign_check s_5_20 R_LARCH_SOP_POP_32_S_5_20 20
> +unsign_check u_10_12 R_LARCH_SOP_POP_32_U_10_12 12
> +unsign_check u R_LARCH_SOP_POP_32_U 32
> diff --git a/ld/testsuite/ld-loongarch-elf/abi2_max_imm.s b/ld/testsuite/ld-loongarch-elf/abi2_max_imm.s
> new file mode 100644
> index 000000000..f1bc3868f
> --- /dev/null
> +++ b/ld/testsuite/ld-loongarch-elf/abi2_max_imm.s
> @@ -0,0 +1,24 @@
> + .text
> +.ifdef b16
> + beq $a0, $a1, low
> + beq $a0, $a1, high
> +.endif
> +.ifdef b21
> + beqz $a0, low
> + beqz $a0, high
> +.endif
> +.ifdef b26
> + b low
> + b high
> +.endif
> +.ifdef pcrel20
> + .reloc 0, R_LARCH_PCREL20_S2, low
> + pcaddi $a0, 0
> + .reloc 4, R_LARCH_PCREL20_S2, high
> + pcaddi $a0, 0
> +.endif
> +
> + .section ".low"
> +low: nop
> + .section ".high"
> +high: nop
> diff --git a/ld/testsuite/ld-loongarch-elf/abi2_overflows.s b/ld/testsuite/ld-loongarch-elf/abi2_overflows.s
> new file mode 100644
> index 000000000..1c25bd8c5
> --- /dev/null
> +++ b/ld/testsuite/ld-loongarch-elf/abi2_overflows.s
> @@ -0,0 +1,24 @@
> + .text
> +
> +.set idx, 0
> +.ifdef underflow
> + nop
> + .set idx, 4
> +.endif
> +
> +.ifdef b16
> + beq $a0, $a1, local_sym
> +.endif
> +.ifdef b21
> + beqz $a0, local_sym
> +.endif
> +.ifdef b26
> + b local_sym
> +.endif
> +.ifdef pcrel20
> + .reloc idx, R_LARCH_PCREL20_S2, local_sym
> + pcaddi $a0, 0
> +.endif
> +
> + .section ".local_sym"
> +local_sym: nop
> diff --git a/ld/testsuite/ld-loongarch-elf/ld-loongarch-elf.exp b/ld/testsuite/ld-loongarch-elf/ld-loongarch-elf.exp
> index b95cc53e5..ae90daec2 100644
> --- a/ld/testsuite/ld-loongarch-elf/ld-loongarch-elf.exp
> +++ b/ld/testsuite/ld-loongarch-elf/ld-loongarch-elf.exp
> @@ -32,6 +32,22 @@ if [istarget "loongarch64-*-*"] {
> run_dump_test "syscall"
> run_dump_test "disas-jirl"
> run_dump_test "local-ifunc-reloc"
> + run_dump_test "overflow_s_10_5"
> + run_dump_test "overflow_s_10_12"
> + run_dump_test "overflow_s_10_16"
> + run_dump_test "overflow_s_10_16_s2"
> + run_dump_test "overflow_s_0_5_10_16_s2"
> + run_dump_test "overflow_s_0_10_10_16_s2"
> + run_dump_test "overflow_s_5_20"
> + run_dump_test "overflow_u_10_12"
> + run_dump_test "overflow_u"
> + run_dump_test "underflow_s_10_5"
> + run_dump_test "underflow_s_10_12"
> + run_dump_test "underflow_s_10_16"
> + run_dump_test "underflow_s_10_16_s2"
> + run_dump_test "underflow_s_0_5_10_16_s2"
> + run_dump_test "underflow_s_0_10_10_16_s2"
> + run_dump_test "underflow_s_5_20"
> }
>
> if [istarget "loongarch32-*-*"] {
> @@ -54,5 +70,28 @@ if [istarget "loongarch64-*-*"] {
> ] \
> "64_pcrel" \
> ] \
> + [list \
> + "abi1_max_imm" \
> + "-e 0x0" "" \
> + "" \
> + {abi1_max_imm.s} \
> + [list \
> + [list objdump -D abi1_max_imm.dd] \
> + ] \
> + "abi1_max_imm" \
> + ] \
> ]
> }
> +
> +run_dump_test "max_imm_b16"
> +run_dump_test "max_imm_b21"
> +run_dump_test "max_imm_b26"
> +run_dump_test "max_imm_pcrel20"
> +run_dump_test "overflow_b16"
> +run_dump_test "overflow_b21"
> +run_dump_test "overflow_b26"
> +run_dump_test "overflow_pcrel20"
> +run_dump_test "underflow_b16"
> +run_dump_test "underflow_b21"
> +run_dump_test "underflow_b26"
> +run_dump_test "underflow_pcrel20"
> diff --git a/ld/testsuite/ld-loongarch-elf/max_imm_b16.d b/ld/testsuite/ld-loongarch-elf/max_imm_b16.d
> new file mode 100644
> index 000000000..2c3f6cdbd
> --- /dev/null
> +++ b/ld/testsuite/ld-loongarch-elf/max_imm_b16.d
> @@ -0,0 +1,9 @@
> +#source: abi2_max_imm.s
> +#as: --defsym b16=1
> +#ld: -e 0 -Ttext 0x20000000 --section-start=.low=0x1ffe0000 --section-start=.high=0x20020000
> +#objdump: -s
> +
> +#...
> +Contents of section .text:
> + 20000000 8500005a 85fcff59.*
> +#pass
> diff --git a/ld/testsuite/ld-loongarch-elf/max_imm_b21.d b/ld/testsuite/ld-loongarch-elf/max_imm_b21.d
> new file mode 100644
> index 000000000..5861fb464
> --- /dev/null
> +++ b/ld/testsuite/ld-loongarch-elf/max_imm_b21.d
> @@ -0,0 +1,9 @@
> +#source: abi2_max_imm.s
> +#as: --defsym b21=1
> +#ld: -e 0 -Ttext 0x20000000 --section-start=.low=0x1fc00000 --section-start=.high=0x20400000
> +#objdump: -s
> +
> +#...
> +Contents of section .text:
> + 20000000 90000040 8ffcff43.*
> +#pass
> diff --git a/ld/testsuite/ld-loongarch-elf/max_imm_b26.d b/ld/testsuite/ld-loongarch-elf/max_imm_b26.d
> new file mode 100644
> index 000000000..f475ccb32
> --- /dev/null
> +++ b/ld/testsuite/ld-loongarch-elf/max_imm_b26.d
> @@ -0,0 +1,9 @@
> +#source: abi2_max_imm.s
> +#as: --defsym b26=1
> +#ld: -e 0 -Ttext 0x20000000 --section-start=.low=0x18000000 --section-start=.high=0x28000000
> +#objdump: -s
> +
> +#...
> +Contents of section .text:
> + 20000000 00020050 fffdff53.*
> +#pass
> diff --git a/ld/testsuite/ld-loongarch-elf/max_imm_pcrel20.d b/ld/testsuite/ld-loongarch-elf/max_imm_pcrel20.d
> new file mode 100644
> index 000000000..4bd9d2f11
> --- /dev/null
> +++ b/ld/testsuite/ld-loongarch-elf/max_imm_pcrel20.d
> @@ -0,0 +1,9 @@
> +#source: abi2_max_imm.s
> +#as: --defsym pcrel20=1
> +#ld: -e 0 -Ttext 0x20000000 --section-start=.low=0x1fe00000 --section-start=.high=0x20200000
> +#objdump: -s
> +
> +#...
> +Contents of section .text:
> + 20000000 04000019 e4ffff18.*
> +#pass
> diff --git a/ld/testsuite/ld-loongarch-elf/overflow_b16.d b/ld/testsuite/ld-loongarch-elf/overflow_b16.d
> new file mode 100644
> index 000000000..26cad414b
> --- /dev/null
> +++ b/ld/testsuite/ld-loongarch-elf/overflow_b16.d
> @@ -0,0 +1,4 @@
> +#source: abi2_overflows.s
> +#as: --defsym overflow=1 --defsym b16=1
> +#ld: -e 0 --section-start=.local_sym=0x20020000 -Ttext 0x20000000
> +#error: .*relocation truncated to fit: R_LARCH_B16 against `local_sym'
> diff --git a/ld/testsuite/ld-loongarch-elf/overflow_b21.d b/ld/testsuite/ld-loongarch-elf/overflow_b21.d
> new file mode 100644
> index 000000000..826856f20
> --- /dev/null
> +++ b/ld/testsuite/ld-loongarch-elf/overflow_b21.d
> @@ -0,0 +1,4 @@
> +#source: abi2_overflows.s
> +#as: --defsym overflow=1 --defsym b21=1
> +#ld: -e 0 --section-start=.local_sym=0x20400000 -Ttext 0x20000000
> +#error: .*relocation truncated to fit: R_LARCH_B21 against `local_sym'
> diff --git a/ld/testsuite/ld-loongarch-elf/overflow_b26.d b/ld/testsuite/ld-loongarch-elf/overflow_b26.d
> new file mode 100644
> index 000000000..474e57510
> --- /dev/null
> +++ b/ld/testsuite/ld-loongarch-elf/overflow_b26.d
> @@ -0,0 +1,4 @@
> +#source: abi2_overflows.s
> +#as: --defsym overflow=1 --defsym b26=1
> +#ld: -e 0 --section-start=.local_sym=0x28000000 -Ttext 0x20000000
> +#error: .*relocation truncated to fit: R_LARCH_B26 against `local_sym'
> diff --git a/ld/testsuite/ld-loongarch-elf/overflow_pcrel20.d b/ld/testsuite/ld-loongarch-elf/overflow_pcrel20.d
> new file mode 100644
> index 000000000..420be7290
> --- /dev/null
> +++ b/ld/testsuite/ld-loongarch-elf/overflow_pcrel20.d
> @@ -0,0 +1,4 @@
> +#source: abi2_overflows.s
> +#as: --defsym overflow=1 --defsym pcrel20=1
> +#ld: -e 0 --section-start=.local_sym=0x20200000 -Ttext 0x20000000
> +#error: .*relocation truncated to fit: R_LARCH_PCREL20_S2 against `local_sym'
> diff --git a/ld/testsuite/ld-loongarch-elf/overflow_s_0_10_10_16_s2.d b/ld/testsuite/ld-loongarch-elf/overflow_s_0_10_10_16_s2.d
> new file mode 100644
> index 000000000..621054b1d
> --- /dev/null
> +++ b/ld/testsuite/ld-loongarch-elf/overflow_s_0_10_10_16_s2.d
> @@ -0,0 +1,4 @@
> +#source: abi1_sops.s
> +#as: --defsym overflow=1 --defsym s_0_10_10_16_s2=1
> +#ld: -e 0
> +#error: .*relocation truncated to fit: R_LARCH_SOP_POP_32_S_0_10_10_16_S2 against `<nameless>'
> \ No newline at end of file
> diff --git a/ld/testsuite/ld-loongarch-elf/overflow_s_0_5_10_16_s2.d b/ld/testsuite/ld-loongarch-elf/overflow_s_0_5_10_16_s2.d
> new file mode 100644
> index 000000000..348f5ae93
> --- /dev/null
> +++ b/ld/testsuite/ld-loongarch-elf/overflow_s_0_5_10_16_s2.d
> @@ -0,0 +1,4 @@
> +#source: abi1_sops.s
> +#as: --defsym overflow=1 --defsym s_0_5_10_16_s2=1
> +#ld: -e 0
> +#error: .*relocation truncated to fit: R_LARCH_SOP_POP_32_S_0_5_10_16_S2 against `<nameless>'
> \ No newline at end of file
> diff --git a/ld/testsuite/ld-loongarch-elf/overflow_s_10_12.d b/ld/testsuite/ld-loongarch-elf/overflow_s_10_12.d
> new file mode 100644
> index 000000000..dcadff7e0
> --- /dev/null
> +++ b/ld/testsuite/ld-loongarch-elf/overflow_s_10_12.d
> @@ -0,0 +1,4 @@
> +#source: abi1_sops.s
> +#as: --defsym overflow=1 --defsym s_10_12=1
> +#ld: -e 0
> +#error: .*relocation truncated to fit: R_LARCH_SOP_POP_32_S_10_12 against `<nameless>'
> \ No newline at end of file
> diff --git a/ld/testsuite/ld-loongarch-elf/overflow_s_10_16.d b/ld/testsuite/ld-loongarch-elf/overflow_s_10_16.d
> new file mode 100644
> index 000000000..3677415af
> --- /dev/null
> +++ b/ld/testsuite/ld-loongarch-elf/overflow_s_10_16.d
> @@ -0,0 +1,4 @@
> +#source: abi1_sops.s
> +#as: --defsym overflow=1 --defsym s_10_16=1
> +#ld: -e 0
> +#error: .*relocation truncated to fit: R_LARCH_SOP_POP_32_S_10_16 against `<nameless>'
> \ No newline at end of file
> diff --git a/ld/testsuite/ld-loongarch-elf/overflow_s_10_16_s2.d b/ld/testsuite/ld-loongarch-elf/overflow_s_10_16_s2.d
> new file mode 100644
> index 000000000..24ffa811a
> --- /dev/null
> +++ b/ld/testsuite/ld-loongarch-elf/overflow_s_10_16_s2.d
> @@ -0,0 +1,4 @@
> +#source: abi1_sops.s
> +#as: --defsym overflow=1 --defsym s_10_16_s2=1
> +#ld: -e 0
> +#error: .*relocation truncated to fit: R_LARCH_SOP_POP_32_S_10_16_S2 against `<nameless>'
> \ No newline at end of file
> diff --git a/ld/testsuite/ld-loongarch-elf/overflow_s_10_5.d b/ld/testsuite/ld-loongarch-elf/overflow_s_10_5.d
> new file mode 100644
> index 000000000..7881457d0
> --- /dev/null
> +++ b/ld/testsuite/ld-loongarch-elf/overflow_s_10_5.d
> @@ -0,0 +1,4 @@
> +#source: abi1_sops.s
> +#as: --defsym overflow=1 --defsym s_10_5=1
> +#ld: -e 0
> +#error: .*relocation truncated to fit: R_LARCH_SOP_POP_32_S_10_5 against `<nameless>'
> \ No newline at end of file
> diff --git a/ld/testsuite/ld-loongarch-elf/overflow_s_5_20.d b/ld/testsuite/ld-loongarch-elf/overflow_s_5_20.d
> new file mode 100644
> index 000000000..5f06eed8c
> --- /dev/null
> +++ b/ld/testsuite/ld-loongarch-elf/overflow_s_5_20.d
> @@ -0,0 +1,4 @@
> +#source: abi1_sops.s
> +#as: --defsym overflow=1 --defsym s_5_20=1
> +#ld: -e 0
> +#error: .*relocation truncated to fit: R_LARCH_SOP_POP_32_S_5_20 against `<nameless>'
> \ No newline at end of file
> diff --git a/ld/testsuite/ld-loongarch-elf/overflow_u.d b/ld/testsuite/ld-loongarch-elf/overflow_u.d
> new file mode 100644
> index 000000000..96906f643
> --- /dev/null
> +++ b/ld/testsuite/ld-loongarch-elf/overflow_u.d
> @@ -0,0 +1,4 @@
> +#source: abi1_sops.s
> +#as: --defsym overflow=1 --defsym u=1
> +#ld: -e 0
> +#error: .*relocation truncated to fit: R_LARCH_SOP_POP_32_U against `<nameless>'
> \ No newline at end of file
> diff --git a/ld/testsuite/ld-loongarch-elf/overflow_u_10_12.d b/ld/testsuite/ld-loongarch-elf/overflow_u_10_12.d
> new file mode 100644
> index 000000000..9d8e09056
> --- /dev/null
> +++ b/ld/testsuite/ld-loongarch-elf/overflow_u_10_12.d
> @@ -0,0 +1,4 @@
> +#source: abi1_sops.s
> +#as: --defsym overflow=1 --defsym u_10_12=1
> +#ld: -e 0
> +#error: .*relocation truncated to fit: R_LARCH_SOP_POP_32_U_10_12 against `<nameless>'
> \ No newline at end of file
> diff --git a/ld/testsuite/ld-loongarch-elf/underflow_b16.d b/ld/testsuite/ld-loongarch-elf/underflow_b16.d
> new file mode 100644
> index 000000000..e2e21949b
> --- /dev/null
> +++ b/ld/testsuite/ld-loongarch-elf/underflow_b16.d
> @@ -0,0 +1,4 @@
> +#source: abi2_overflows.s
> +#as: --defsym underflow=1 --defsym b16=1
> +#ld: -e 0 --section-start=.local_sym=0x1ffe0000 -Ttext 0x20000000
> +#error: .*relocation truncated to fit: R_LARCH_B16 against `local_sym'
> diff --git a/ld/testsuite/ld-loongarch-elf/underflow_b21.d b/ld/testsuite/ld-loongarch-elf/underflow_b21.d
> new file mode 100644
> index 000000000..6f56526b5
> --- /dev/null
> +++ b/ld/testsuite/ld-loongarch-elf/underflow_b21.d
> @@ -0,0 +1,4 @@
> +#source: abi2_overflows.s
> +#as: --defsym underflow=1 --defsym b21=1
> +#ld: -e 0 --section-start=.local_sym=0x1fc00000 -Ttext 0x20000000
> +#error: .*relocation truncated to fit: R_LARCH_B21 against `local_sym'
> diff --git a/ld/testsuite/ld-loongarch-elf/underflow_b26.d b/ld/testsuite/ld-loongarch-elf/underflow_b26.d
> new file mode 100644
> index 000000000..5756cc14c
> --- /dev/null
> +++ b/ld/testsuite/ld-loongarch-elf/underflow_b26.d
> @@ -0,0 +1,4 @@
> +#source: abi2_overflows.s
> +#as: --defsym underflow=1 --defsym b26=1
> +#ld: -e 0 --section-start=.local_sym=0x18000000 -Ttext 0x20000000
> +#error: .*relocation truncated to fit: R_LARCH_B26 against `local_sym'
> diff --git a/ld/testsuite/ld-loongarch-elf/underflow_pcrel20.d b/ld/testsuite/ld-loongarch-elf/underflow_pcrel20.d
> new file mode 100644
> index 000000000..e65c60ad7
> --- /dev/null
> +++ b/ld/testsuite/ld-loongarch-elf/underflow_pcrel20.d
> @@ -0,0 +1,4 @@
> +#source: abi2_overflows.s
> +#as: --defsym underflow=1 --defsym pcrel20=1
> +#ld: -e 0 --section-start=.local_sym=0x1fe00000 -Ttext 0x20000000
> +#error: .*relocation truncated to fit: R_LARCH_PCREL20_S2 against `local_sym'
> diff --git a/ld/testsuite/ld-loongarch-elf/underflow_s_0_10_10_16_s2.d b/ld/testsuite/ld-loongarch-elf/underflow_s_0_10_10_16_s2.d
> new file mode 100644
> index 000000000..3e7715a27
> --- /dev/null
> +++ b/ld/testsuite/ld-loongarch-elf/underflow_s_0_10_10_16_s2.d
> @@ -0,0 +1,4 @@
> +#source: abi1_sops.s
> +#as: --defsym underflow=1 --defsym s_0_10_10_16_s2=1
> +#ld: -e 0
> +#error: .*relocation truncated to fit: R_LARCH_SOP_POP_32_S_0_10_10_16_S2 against `<nameless>'
> \ No newline at end of file
> diff --git a/ld/testsuite/ld-loongarch-elf/underflow_s_0_5_10_16_s2.d b/ld/testsuite/ld-loongarch-elf/underflow_s_0_5_10_16_s2.d
> new file mode 100644
> index 000000000..14be5a9c6
> --- /dev/null
> +++ b/ld/testsuite/ld-loongarch-elf/underflow_s_0_5_10_16_s2.d
> @@ -0,0 +1,4 @@
> +#source: abi1_sops.s
> +#as: --defsym underflow=1 --defsym s_0_5_10_16_s2=1
> +#ld: -e 0
> +#error: .*relocation truncated to fit: R_LARCH_SOP_POP_32_S_0_5_10_16_S2 against `<nameless>'
> \ No newline at end of file
> diff --git a/ld/testsuite/ld-loongarch-elf/underflow_s_10_12.d b/ld/testsuite/ld-loongarch-elf/underflow_s_10_12.d
> new file mode 100644
> index 000000000..ed9fe9b70
> --- /dev/null
> +++ b/ld/testsuite/ld-loongarch-elf/underflow_s_10_12.d
> @@ -0,0 +1,4 @@
> +#source: abi1_sops.s
> +#as: --defsym underflow=1 --defsym s_10_12=1
> +#ld: -e 0
> +#error: .*relocation truncated to fit: R_LARCH_SOP_POP_32_S_10_12 against `<nameless>'
> \ No newline at end of file
> diff --git a/ld/testsuite/ld-loongarch-elf/underflow_s_10_16.d b/ld/testsuite/ld-loongarch-elf/underflow_s_10_16.d
> new file mode 100644
> index 000000000..03b851b57
> --- /dev/null
> +++ b/ld/testsuite/ld-loongarch-elf/underflow_s_10_16.d
> @@ -0,0 +1,4 @@
> +#source: abi1_sops.s
> +#as: --defsym underflow=1 --defsym s_10_16=1
> +#ld: -e 0
> +#error: .*relocation truncated to fit: R_LARCH_SOP_POP_32_S_10_16 against `<nameless>'
> \ No newline at end of file
> diff --git a/ld/testsuite/ld-loongarch-elf/underflow_s_10_16_s2.d b/ld/testsuite/ld-loongarch-elf/underflow_s_10_16_s2.d
> new file mode 100644
> index 000000000..c0e4ca039
> --- /dev/null
> +++ b/ld/testsuite/ld-loongarch-elf/underflow_s_10_16_s2.d
> @@ -0,0 +1,4 @@
> +#source: abi1_sops.s
> +#as: --defsym underflow=1 --defsym s_10_16_s2=1
> +#ld: -e 0
> +#error: .*relocation truncated to fit: R_LARCH_SOP_POP_32_S_10_16_S2 against `<nameless>'
> \ No newline at end of file
> diff --git a/ld/testsuite/ld-loongarch-elf/underflow_s_10_5.d b/ld/testsuite/ld-loongarch-elf/underflow_s_10_5.d
> new file mode 100644
> index 000000000..77d0eb04e
> --- /dev/null
> +++ b/ld/testsuite/ld-loongarch-elf/underflow_s_10_5.d
> @@ -0,0 +1,4 @@
> +#source: abi1_sops.s
> +#as: --defsym underflow=1 --defsym s_10_5=1
> +#ld: -e 0
> +#error: .*relocation truncated to fit: R_LARCH_SOP_POP_32_S_10_5 against `<nameless>'
> \ No newline at end of file
> diff --git a/ld/testsuite/ld-loongarch-elf/underflow_s_5_20.d b/ld/testsuite/ld-loongarch-elf/underflow_s_5_20.d
> new file mode 100644
> index 000000000..c458bb815
> --- /dev/null
> +++ b/ld/testsuite/ld-loongarch-elf/underflow_s_5_20.d
> @@ -0,0 +1,4 @@
> +#source: abi1_sops.s
> +#as: --defsym underflow=1 --defsym s_5_20=1
> +#ld: -e 0
> +#error: .*relocation truncated to fit: R_LARCH_SOP_POP_32_S_5_20 against `<nameless>'
> \ No newline at end of file
On 2023-09-04 09:26, liuzhensong wrote:
[...]
>> bfd_signed_vma mask = ((bfd_signed_vma)0x1 << (howto->bitsize
>> - + howto->rightshift - 1)) - 1;
>> + + howto->rightshift - sign)) - 1;
>
> Is safe to compute howto->rightshift(unsigned int) and sign(bool)?
That looks confused when I see from stdbool.h that the definition
of bool value is always 0 or 1. Just to be safe, I'll pass "sign" in an
unsigned int type, in the next version.
[...]
@@ -55,6 +55,8 @@ static bool
reloc_bits (bfd *abfd, reloc_howto_type *howto, bfd_vma *val);
static bool
reloc_sign_bits (bfd *abfd, reloc_howto_type *howto, bfd_vma *fix_val);
+static bool
+reloc_unsign_bits (bfd *abfd, reloc_howto_type *howto, bfd_vma *fix_val);
static bfd_reloc_status_type
loongarch_elf_add_sub_reloc (bfd *, arelent *, asymbol *, void *,
@@ -383,7 +385,7 @@ static loongarch_reloc_howto_type loongarch_howto_table[] =
0x7c00, /* dst_mask */
false, /* pcrel_offset */
BFD_RELOC_LARCH_SOP_POP_32_S_10_5, /* bfd_reloc_code_real_type */
- reloc_bits, /* adjust_reloc_bits */
+ reloc_sign_bits, /* adjust_reloc_bits */
NULL), /* larch_reloc_type_name */
LOONGARCH_HOWTO (R_LARCH_SOP_POP_32_U_10_12, /* type (39). */
@@ -400,7 +402,7 @@ static loongarch_reloc_howto_type loongarch_howto_table[] =
0x3ffc00, /* dst_mask */
false, /* pcrel_offset */
BFD_RELOC_LARCH_SOP_POP_32_U_10_12, /* bfd_reloc_code_real_type */
- reloc_bits, /* adjust_reloc_bits */
+ reloc_unsign_bits, /* adjust_reloc_bits */
NULL), /* larch_reloc_type_name */
LOONGARCH_HOWTO (R_LARCH_SOP_POP_32_S_10_12, /* type (40). */
@@ -417,7 +419,7 @@ static loongarch_reloc_howto_type loongarch_howto_table[] =
0x3ffc00, /* dst_mask */
false, /* pcrel_offset */
BFD_RELOC_LARCH_SOP_POP_32_S_10_12, /* bfd_reloc_code_real_type */
- reloc_bits, /* adjust_reloc_bits */
+ reloc_sign_bits, /* adjust_reloc_bits */
NULL), /* larch_reloc_type_name */
LOONGARCH_HOWTO (R_LARCH_SOP_POP_32_S_10_16, /* type (41). */
@@ -434,7 +436,7 @@ static loongarch_reloc_howto_type loongarch_howto_table[] =
0x3fffc00, /* dst_mask */
false, /* pcrel_offset */
BFD_RELOC_LARCH_SOP_POP_32_S_10_16, /* bfd_reloc_code_real_type */
- reloc_bits, /* adjust_reloc_bits */
+ reloc_sign_bits, /* adjust_reloc_bits */
NULL), /* larch_reloc_type_name */
LOONGARCH_HOWTO (R_LARCH_SOP_POP_32_S_10_16_S2, /* type (42). */
@@ -468,7 +470,7 @@ static loongarch_reloc_howto_type loongarch_howto_table[] =
0x1ffffe0, /* dst_mask */
false, /* pcrel_offset */
BFD_RELOC_LARCH_SOP_POP_32_S_5_20, /* bfd_reloc_code_real_type */
- reloc_bits, /* adjust_reloc_bits */
+ reloc_sign_bits, /* adjust_reloc_bits */
NULL), /* larch_reloc_type_name */
LOONGARCH_HOWTO (R_LARCH_SOP_POP_32_S_0_5_10_16_S2,
@@ -522,7 +524,7 @@ static loongarch_reloc_howto_type loongarch_howto_table[] =
0x00000000ffffffff, /* dst_mask */
false, /* pcrel_offset */
BFD_RELOC_LARCH_SOP_POP_32_U, /* bfd_reloc_code_real_type */
- reloc_bits, /* adjust_reloc_bits */
+ reloc_unsign_bits, /* adjust_reloc_bits */
NULL), /* larch_reloc_type_name */
/* 8-bit in-place addition, for local label subtraction. */
@@ -1671,9 +1673,10 @@ reloc_bits (bfd *abfd ATTRIBUTE_UNUSED,
}
static bool
-reloc_sign_bits (bfd *abfd, reloc_howto_type *howto, bfd_vma *fix_val)
+reloc_bits_sanity (bfd *abfd, reloc_howto_type *howto, bfd_vma *fix_val, bool sign)
{
- if (howto->complain_on_overflow != complain_overflow_signed)
+ if ((sign && howto->complain_on_overflow != complain_overflow_signed)
+ || (!sign && howto->complain_on_overflow != complain_overflow_unsigned))
return false;
bfd_signed_vma val = (bfd_signed_vma)(*fix_val);
@@ -1689,7 +1692,7 @@ reloc_sign_bits (bfd *abfd, reloc_howto_type *howto, bfd_vma *fix_val)
}
bfd_signed_vma mask = ((bfd_signed_vma)0x1 << (howto->bitsize
- + howto->rightshift - 1)) - 1;
+ + howto->rightshift - sign)) - 1;
/* Positive number: high part is all 0;
Negative number: if high part is not all 0, high part must be all 1.
@@ -1728,6 +1731,18 @@ reloc_sign_bits (bfd *abfd, reloc_howto_type *howto, bfd_vma *fix_val)
return true;
}
+static bool
+reloc_sign_bits (bfd *abfd, reloc_howto_type *howto, bfd_vma *fix_val)
+{
+ return reloc_bits_sanity (abfd, howto, fix_val, true);
+}
+
+static bool
+reloc_unsign_bits (bfd *abfd, reloc_howto_type *howto, bfd_vma *fix_val)
+{
+ return reloc_bits_sanity (abfd, howto, fix_val, false);
+}
+
bool
loongarch_adjust_reloc_bitsfield (bfd *abfd, reloc_howto_type *howto,
bfd_vma *fix_val)
new file mode 100644
@@ -0,0 +1,18 @@
+#...
+.*00003c00.*
+.*00004000.*
+.*001ffc00.*
+.*00200000.*
+.*01fffc00.*
+.*02000000.*
+.*01fffc00.*
+.*02000000.*
+.*03fffc0f.*
+.*00000010.*
+.*03fffdff.*
+.*00000200.*
+.*00ffffe0.*
+.*01000000.*
+.*003ffc00.*
+.*ffffffff.*
+#pass
new file mode 100644
@@ -0,0 +1,39 @@
+.macro sign_check reloc_name reloc_bits
+ .reloc off, R_LARCH_SOP_PUSH_ABSOLUTE, (1 << (\reloc_bits - 1)) - 1
+ .reloc off, \reloc_name
+ .word 0
+ .set off, off + 4
+ .reloc off, R_LARCH_SOP_PUSH_ABSOLUTE, -(1 << (\reloc_bits - 1))
+ .reloc off, \reloc_name
+ .word 0
+ .set off, off + 4
+.endm
+
+.macro sign_check_s2 reloc_name reloc_bits
+ .reloc off, R_LARCH_SOP_PUSH_ABSOLUTE, ((1 << (\reloc_bits - 1)) - 1) << 2
+ .reloc off, \reloc_name
+ .word 0
+ .set off, off + 4
+ .reloc off, R_LARCH_SOP_PUSH_ABSOLUTE, (-(1 << (\reloc_bits - 1))) << 2
+ .reloc off, \reloc_name
+ .word 0
+ .set off, off + 4
+.endm
+
+.macro unsign_check reloc_name reloc_bits
+ .reloc off, R_LARCH_SOP_PUSH_ABSOLUTE, (1 << \reloc_bits) - 1
+ .reloc off, \reloc_name
+ .word 0
+ .set off, off + 4
+.endm
+
+.set off, 0
+sign_check R_LARCH_SOP_POP_32_S_10_5 5
+sign_check R_LARCH_SOP_POP_32_S_10_12 12
+sign_check R_LARCH_SOP_POP_32_S_10_16 16
+sign_check_s2 R_LARCH_SOP_POP_32_S_10_16_S2 16
+sign_check_s2 R_LARCH_SOP_POP_32_S_0_5_10_16_S2 21
+sign_check_s2 R_LARCH_SOP_POP_32_S_0_10_10_16_S2 26
+sign_check R_LARCH_SOP_POP_32_S_5_20 20
+unsign_check R_LARCH_SOP_POP_32_U_10_12 12
+unsign_check R_LARCH_SOP_POP_32_U 32
new file mode 100644
@@ -0,0 +1,43 @@
+.macro sign_check reloc_sym reloc_name reloc_bits
+ .ifdef \reloc_sym
+ .ifdef overflow
+ .reloc 0, R_LARCH_SOP_PUSH_ABSOLUTE, 1 << (\reloc_bits - 1)
+ .reloc 0, \reloc_name
+ .else
+ .reloc 0, R_LARCH_SOP_PUSH_ABSOLUTE, -(1 << (\reloc_bits - 1)) - 1
+ .reloc 0, \reloc_name
+ .endif
+ .word 0
+ .endif
+.endm
+
+.macro sign_check_s2 reloc_sym reloc_name reloc_bits
+ .ifdef \reloc_sym
+ .ifdef overflow
+ .reloc 0, R_LARCH_SOP_PUSH_ABSOLUTE, (1 << (\reloc_bits - 1)) << 2
+ .reloc 0, \reloc_name
+ .else
+ .reloc 0, R_LARCH_SOP_PUSH_ABSOLUTE, (-(1 << (\reloc_bits - 1)) - 1) << 2
+ .reloc 0, \reloc_name
+ .endif
+ .word 0
+ .endif
+.endm
+
+.macro unsign_check reloc_sym reloc_name reloc_bits
+ .ifdef \reloc_sym
+ .reloc 0, R_LARCH_SOP_PUSH_ABSOLUTE, 1 << \reloc_bits
+ .reloc 0, \reloc_name
+ .word 0
+ .endif
+.endm
+
+sign_check s_10_5 R_LARCH_SOP_POP_32_S_10_5 5
+sign_check s_10_12 R_LARCH_SOP_POP_32_S_10_12 12
+sign_check s_10_16 R_LARCH_SOP_POP_32_S_10_16 16
+sign_check_s2 s_10_16_s2 R_LARCH_SOP_POP_32_S_10_16_S2 16
+sign_check_s2 s_0_5_10_16_s2 R_LARCH_SOP_POP_32_S_0_5_10_16_S2 21
+sign_check_s2 s_0_10_10_16_s2 R_LARCH_SOP_POP_32_S_0_10_10_16_S2 26
+sign_check s_5_20 R_LARCH_SOP_POP_32_S_5_20 20
+unsign_check u_10_12 R_LARCH_SOP_POP_32_U_10_12 12
+unsign_check u R_LARCH_SOP_POP_32_U 32
new file mode 100644
@@ -0,0 +1,24 @@
+ .text
+.ifdef b16
+ beq $a0, $a1, low
+ beq $a0, $a1, high
+.endif
+.ifdef b21
+ beqz $a0, low
+ beqz $a0, high
+.endif
+.ifdef b26
+ b low
+ b high
+.endif
+.ifdef pcrel20
+ .reloc 0, R_LARCH_PCREL20_S2, low
+ pcaddi $a0, 0
+ .reloc 4, R_LARCH_PCREL20_S2, high
+ pcaddi $a0, 0
+.endif
+
+ .section ".low"
+low: nop
+ .section ".high"
+high: nop
new file mode 100644
@@ -0,0 +1,24 @@
+ .text
+
+.set idx, 0
+.ifdef underflow
+ nop
+ .set idx, 4
+.endif
+
+.ifdef b16
+ beq $a0, $a1, local_sym
+.endif
+.ifdef b21
+ beqz $a0, local_sym
+.endif
+.ifdef b26
+ b local_sym
+.endif
+.ifdef pcrel20
+ .reloc idx, R_LARCH_PCREL20_S2, local_sym
+ pcaddi $a0, 0
+.endif
+
+ .section ".local_sym"
+local_sym: nop
@@ -32,6 +32,22 @@ if [istarget "loongarch64-*-*"] {
run_dump_test "syscall"
run_dump_test "disas-jirl"
run_dump_test "local-ifunc-reloc"
+ run_dump_test "overflow_s_10_5"
+ run_dump_test "overflow_s_10_12"
+ run_dump_test "overflow_s_10_16"
+ run_dump_test "overflow_s_10_16_s2"
+ run_dump_test "overflow_s_0_5_10_16_s2"
+ run_dump_test "overflow_s_0_10_10_16_s2"
+ run_dump_test "overflow_s_5_20"
+ run_dump_test "overflow_u_10_12"
+ run_dump_test "overflow_u"
+ run_dump_test "underflow_s_10_5"
+ run_dump_test "underflow_s_10_12"
+ run_dump_test "underflow_s_10_16"
+ run_dump_test "underflow_s_10_16_s2"
+ run_dump_test "underflow_s_0_5_10_16_s2"
+ run_dump_test "underflow_s_0_10_10_16_s2"
+ run_dump_test "underflow_s_5_20"
}
if [istarget "loongarch32-*-*"] {
@@ -54,5 +70,28 @@ if [istarget "loongarch64-*-*"] {
] \
"64_pcrel" \
] \
+ [list \
+ "abi1_max_imm" \
+ "-e 0x0" "" \
+ "" \
+ {abi1_max_imm.s} \
+ [list \
+ [list objdump -D abi1_max_imm.dd] \
+ ] \
+ "abi1_max_imm" \
+ ] \
]
}
+
+run_dump_test "max_imm_b16"
+run_dump_test "max_imm_b21"
+run_dump_test "max_imm_b26"
+run_dump_test "max_imm_pcrel20"
+run_dump_test "overflow_b16"
+run_dump_test "overflow_b21"
+run_dump_test "overflow_b26"
+run_dump_test "overflow_pcrel20"
+run_dump_test "underflow_b16"
+run_dump_test "underflow_b21"
+run_dump_test "underflow_b26"
+run_dump_test "underflow_pcrel20"
new file mode 100644
@@ -0,0 +1,9 @@
+#source: abi2_max_imm.s
+#as: --defsym b16=1
+#ld: -e 0 -Ttext 0x20000000 --section-start=.low=0x1ffe0000 --section-start=.high=0x20020000
+#objdump: -s
+
+#...
+Contents of section .text:
+ 20000000 8500005a 85fcff59.*
+#pass
new file mode 100644
@@ -0,0 +1,9 @@
+#source: abi2_max_imm.s
+#as: --defsym b21=1
+#ld: -e 0 -Ttext 0x20000000 --section-start=.low=0x1fc00000 --section-start=.high=0x20400000
+#objdump: -s
+
+#...
+Contents of section .text:
+ 20000000 90000040 8ffcff43.*
+#pass
new file mode 100644
@@ -0,0 +1,9 @@
+#source: abi2_max_imm.s
+#as: --defsym b26=1
+#ld: -e 0 -Ttext 0x20000000 --section-start=.low=0x18000000 --section-start=.high=0x28000000
+#objdump: -s
+
+#...
+Contents of section .text:
+ 20000000 00020050 fffdff53.*
+#pass
new file mode 100644
@@ -0,0 +1,9 @@
+#source: abi2_max_imm.s
+#as: --defsym pcrel20=1
+#ld: -e 0 -Ttext 0x20000000 --section-start=.low=0x1fe00000 --section-start=.high=0x20200000
+#objdump: -s
+
+#...
+Contents of section .text:
+ 20000000 04000019 e4ffff18.*
+#pass
new file mode 100644
@@ -0,0 +1,4 @@
+#source: abi2_overflows.s
+#as: --defsym overflow=1 --defsym b16=1
+#ld: -e 0 --section-start=.local_sym=0x20020000 -Ttext 0x20000000
+#error: .*relocation truncated to fit: R_LARCH_B16 against `local_sym'
new file mode 100644
@@ -0,0 +1,4 @@
+#source: abi2_overflows.s
+#as: --defsym overflow=1 --defsym b21=1
+#ld: -e 0 --section-start=.local_sym=0x20400000 -Ttext 0x20000000
+#error: .*relocation truncated to fit: R_LARCH_B21 against `local_sym'
new file mode 100644
@@ -0,0 +1,4 @@
+#source: abi2_overflows.s
+#as: --defsym overflow=1 --defsym b26=1
+#ld: -e 0 --section-start=.local_sym=0x28000000 -Ttext 0x20000000
+#error: .*relocation truncated to fit: R_LARCH_B26 against `local_sym'
new file mode 100644
@@ -0,0 +1,4 @@
+#source: abi2_overflows.s
+#as: --defsym overflow=1 --defsym pcrel20=1
+#ld: -e 0 --section-start=.local_sym=0x20200000 -Ttext 0x20000000
+#error: .*relocation truncated to fit: R_LARCH_PCREL20_S2 against `local_sym'
new file mode 100644
@@ -0,0 +1,4 @@
+#source: abi1_sops.s
+#as: --defsym overflow=1 --defsym s_0_10_10_16_s2=1
+#ld: -e 0
+#error: .*relocation truncated to fit: R_LARCH_SOP_POP_32_S_0_10_10_16_S2 against `<nameless>'
\ No newline at end of file
new file mode 100644
@@ -0,0 +1,4 @@
+#source: abi1_sops.s
+#as: --defsym overflow=1 --defsym s_0_5_10_16_s2=1
+#ld: -e 0
+#error: .*relocation truncated to fit: R_LARCH_SOP_POP_32_S_0_5_10_16_S2 against `<nameless>'
\ No newline at end of file
new file mode 100644
@@ -0,0 +1,4 @@
+#source: abi1_sops.s
+#as: --defsym overflow=1 --defsym s_10_12=1
+#ld: -e 0
+#error: .*relocation truncated to fit: R_LARCH_SOP_POP_32_S_10_12 against `<nameless>'
\ No newline at end of file
new file mode 100644
@@ -0,0 +1,4 @@
+#source: abi1_sops.s
+#as: --defsym overflow=1 --defsym s_10_16=1
+#ld: -e 0
+#error: .*relocation truncated to fit: R_LARCH_SOP_POP_32_S_10_16 against `<nameless>'
\ No newline at end of file
new file mode 100644
@@ -0,0 +1,4 @@
+#source: abi1_sops.s
+#as: --defsym overflow=1 --defsym s_10_16_s2=1
+#ld: -e 0
+#error: .*relocation truncated to fit: R_LARCH_SOP_POP_32_S_10_16_S2 against `<nameless>'
\ No newline at end of file
new file mode 100644
@@ -0,0 +1,4 @@
+#source: abi1_sops.s
+#as: --defsym overflow=1 --defsym s_10_5=1
+#ld: -e 0
+#error: .*relocation truncated to fit: R_LARCH_SOP_POP_32_S_10_5 against `<nameless>'
\ No newline at end of file
new file mode 100644
@@ -0,0 +1,4 @@
+#source: abi1_sops.s
+#as: --defsym overflow=1 --defsym s_5_20=1
+#ld: -e 0
+#error: .*relocation truncated to fit: R_LARCH_SOP_POP_32_S_5_20 against `<nameless>'
\ No newline at end of file
new file mode 100644
@@ -0,0 +1,4 @@
+#source: abi1_sops.s
+#as: --defsym overflow=1 --defsym u=1
+#ld: -e 0
+#error: .*relocation truncated to fit: R_LARCH_SOP_POP_32_U against `<nameless>'
\ No newline at end of file
new file mode 100644
@@ -0,0 +1,4 @@
+#source: abi1_sops.s
+#as: --defsym overflow=1 --defsym u_10_12=1
+#ld: -e 0
+#error: .*relocation truncated to fit: R_LARCH_SOP_POP_32_U_10_12 against `<nameless>'
\ No newline at end of file
new file mode 100644
@@ -0,0 +1,4 @@
+#source: abi2_overflows.s
+#as: --defsym underflow=1 --defsym b16=1
+#ld: -e 0 --section-start=.local_sym=0x1ffe0000 -Ttext 0x20000000
+#error: .*relocation truncated to fit: R_LARCH_B16 against `local_sym'
new file mode 100644
@@ -0,0 +1,4 @@
+#source: abi2_overflows.s
+#as: --defsym underflow=1 --defsym b21=1
+#ld: -e 0 --section-start=.local_sym=0x1fc00000 -Ttext 0x20000000
+#error: .*relocation truncated to fit: R_LARCH_B21 against `local_sym'
new file mode 100644
@@ -0,0 +1,4 @@
+#source: abi2_overflows.s
+#as: --defsym underflow=1 --defsym b26=1
+#ld: -e 0 --section-start=.local_sym=0x18000000 -Ttext 0x20000000
+#error: .*relocation truncated to fit: R_LARCH_B26 against `local_sym'
new file mode 100644
@@ -0,0 +1,4 @@
+#source: abi2_overflows.s
+#as: --defsym underflow=1 --defsym pcrel20=1
+#ld: -e 0 --section-start=.local_sym=0x1fe00000 -Ttext 0x20000000
+#error: .*relocation truncated to fit: R_LARCH_PCREL20_S2 against `local_sym'
new file mode 100644
@@ -0,0 +1,4 @@
+#source: abi1_sops.s
+#as: --defsym underflow=1 --defsym s_0_10_10_16_s2=1
+#ld: -e 0
+#error: .*relocation truncated to fit: R_LARCH_SOP_POP_32_S_0_10_10_16_S2 against `<nameless>'
\ No newline at end of file
new file mode 100644
@@ -0,0 +1,4 @@
+#source: abi1_sops.s
+#as: --defsym underflow=1 --defsym s_0_5_10_16_s2=1
+#ld: -e 0
+#error: .*relocation truncated to fit: R_LARCH_SOP_POP_32_S_0_5_10_16_S2 against `<nameless>'
\ No newline at end of file
new file mode 100644
@@ -0,0 +1,4 @@
+#source: abi1_sops.s
+#as: --defsym underflow=1 --defsym s_10_12=1
+#ld: -e 0
+#error: .*relocation truncated to fit: R_LARCH_SOP_POP_32_S_10_12 against `<nameless>'
\ No newline at end of file
new file mode 100644
@@ -0,0 +1,4 @@
+#source: abi1_sops.s
+#as: --defsym underflow=1 --defsym s_10_16=1
+#ld: -e 0
+#error: .*relocation truncated to fit: R_LARCH_SOP_POP_32_S_10_16 against `<nameless>'
\ No newline at end of file
new file mode 100644
@@ -0,0 +1,4 @@
+#source: abi1_sops.s
+#as: --defsym underflow=1 --defsym s_10_16_s2=1
+#ld: -e 0
+#error: .*relocation truncated to fit: R_LARCH_SOP_POP_32_S_10_16_S2 against `<nameless>'
\ No newline at end of file
new file mode 100644
@@ -0,0 +1,4 @@
+#source: abi1_sops.s
+#as: --defsym underflow=1 --defsym s_10_5=1
+#ld: -e 0
+#error: .*relocation truncated to fit: R_LARCH_SOP_POP_32_S_10_5 against `<nameless>'
\ No newline at end of file
new file mode 100644
@@ -0,0 +1,4 @@
+#source: abi1_sops.s
+#as: --defsym underflow=1 --defsym s_5_20=1
+#ld: -e 0
+#error: .*relocation truncated to fit: R_LARCH_SOP_POP_32_S_5_20 against `<nameless>'
\ No newline at end of file