LoongArch: fix internal error when gas handling unsupported relocation type name.
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Commit Message
---
bfd/elfxx-loongarch.c | 3 ---
gas/config/loongarch-parse.y | 6 +++++-
gas/testsuite/gas/loongarch/reloc_type.d | 3 +++
gas/testsuite/gas/loongarch/reloc_type.l | 2 ++
gas/testsuite/gas/loongarch/reloc_type.s | 3 +++
5 files changed, 13 insertions(+), 4 deletions(-)
create mode 100644 gas/testsuite/gas/loongarch/reloc_type.d
create mode 100644 gas/testsuite/gas/loongarch/reloc_type.l
create mode 100644 gas/testsuite/gas/loongarch/reloc_type.s
Comments
On Tue, 2023-11-14 at 09:28 +0800, Lulu Cai wrote:
> diff --git a/bfd/elfxx-loongarch.c b/bfd/elfxx-loongarch.c
> index a970a257aa9..7f298c08fd3 100644
> --- a/bfd/elfxx-loongarch.c
> +++ b/bfd/elfxx-loongarch.c
> @@ -1629,9 +1629,6 @@ loongarch_larch_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
> return lht->bfd_type;
> }
>
> - (*_bfd_error_handler) (_("%pB: unsupported relocation type name %s"),
> - abfd, l_r_name);
> - bfd_set_error (bfd_error_bad_value);
Ok, this should not be an internal error.
> return BFD_RELOC_NONE;
> }
>
> diff --git a/gas/config/loongarch-parse.y b/gas/config/loongarch-parse.y
> index f4e1a63b972..2104afe87e8 100644
> --- a/gas/config/loongarch-parse.y
> +++ b/gas/config/loongarch-parse.y
> @@ -132,7 +132,11 @@ reloc (const char *op_c_str, const char *id_c_str, offsetT addend)
> if (0 == strcmp (op_c_str, "plt"))
> btype = BFD_RELOC_LARCH_B26;
> else
> - btype = loongarch_larch_reloc_name_lookup (NULL, op_c_str);
> + {
> + btype = loongarch_larch_reloc_name_lookup (NULL, op_c_str);
> + if (btype == BFD_RELOC_NONE)
> + as_fatal (_("unsupported relocation type name %s"), op_c_str);
Maybe "unsupported modifier %s" is better because %xxx is called
"modifier" in the GAS manual, and we also have "%plt" which is not a
relocation type name.
@@ -1629,9 +1629,6 @@ loongarch_larch_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
return lht->bfd_type;
}
- (*_bfd_error_handler) (_("%pB: unsupported relocation type name %s"),
- abfd, l_r_name);
- bfd_set_error (bfd_error_bad_value);
return BFD_RELOC_NONE;
}
@@ -132,7 +132,11 @@ reloc (const char *op_c_str, const char *id_c_str, offsetT addend)
if (0 == strcmp (op_c_str, "plt"))
btype = BFD_RELOC_LARCH_B26;
else
- btype = loongarch_larch_reloc_name_lookup (NULL, op_c_str);
+ {
+ btype = loongarch_larch_reloc_name_lookup (NULL, op_c_str);
+ if (btype == BFD_RELOC_NONE)
+ as_fatal (_("unsupported relocation type name %s"), op_c_str);
+ }
if (id_c_str)
{
new file mode 100644
@@ -0,0 +1,3 @@
+#as:
+#source: reloc_type.s
+#error_output: reloc_type.l
new file mode 100644
@@ -0,0 +1,2 @@
+.*Assembler messages:
+.*Fatal error: unsupported relocation type name (.*)$
new file mode 100644
@@ -0,0 +1,3 @@
+.L1:
+ nop
+ addi.d $a0,$a1,%reloc(x)