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RISC-V: Make riscv_is_mapping_symbol stricter

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riscv_is_mapping_symbol currently accepts any symbol that starts with $x
or $d. This patch makes the check more strict, requiring exactly $x, $d,
or $xrv. It also makes use of this stricter mapping in
riscv_is_valid_mapping_symbol.

ChangeLog:

	* bfd/cpu-riscv.c (riscv_elf_is_mapping_symbols): Match only
	strings that are exactly $x, $d, or $xrv.
	* opcodes/riscv-dis.c (riscv_is_valid_mapping_symbol): Use
	riscv_elf_is_mapping_symbols.

Signed-off-by: Patrick O'Neill <patrick@rivosinc.com>
This commit is contained in:
Patrick O'Neill 2023-11-30 18:47:39 -08:00 committed by Nelson Chu
parent 8321007a98
commit 2b33b0d960
2 changed files with 4 additions and 5 deletions
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5
bfd/cpu-riscv.c
View File

@ -147,6 +147,7 @@ riscv_get_priv_spec_class_from_numbers (unsigned int major,
bool
riscv_elf_is_mapping_symbols (const char *name)
{
return (!strncmp (name, "$d", 2)
|| !strncmp (name, "$x", 2));
return (!strcmp (name, "$d")
|| !strcmp (name, "$x")
|| !strncmp (name, "$xrv", 4));
}

4
opcodes/riscv-dis.c
View File

@ -957,9 +957,7 @@ riscv_is_valid_mapping_symbol (int n,
return false;
name = bfd_asymbol_name(info->symtab[n]);
return (strcmp (name, "$x") == 0
|| strcmp (name, "$d") == 0
|| strncmp (name, "$xrv", 4) == 0);
return riscv_elf_is_mapping_symbols (name);
}
/* Check the sorted symbol table (sorted by the symbol value), find the