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Prevent an abort in the FRV disassembler if the target bfd name is unknown.

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PR 20946
	* frv-desc.c (lookup_mach_via_bfd_name): Return NULL if the name
	could not be matched.
	(frv_cgen_cpu_open): Allow for lookup_mach_via_bfd_name returning
	NULL.
This commit is contained in:
Nick Clifton 2017-01-05 09:11:47 +00:00
parent c0386d4d54
commit 0ae60c3ef4
2 changed files with 11 additions and 3 deletions
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8
opcodes/ChangeLog
View File

@ -1,3 +1,11 @@
2017-01-05 Nick Clifton <nickc@redhat.com>
PR 20946
* frv-desc.c (lookup_mach_via_bfd_name): Return NULL if the name
could not be matched.
(frv_cgen_cpu_open): Allow for lookup_mach_via_bfd_name returning
NULL.
2017-01-04 Szabolcs Nagy <szabolcs.nagy@arm.com>
* aarch64-tbl.h (RCPC, RCPC_INSN): Define.

6
opcodes/frv-desc.c
View File

@ -6173,7 +6173,7 @@ lookup_mach_via_bfd_name (const CGEN_MACH *table, const char *name)
return table;
++table;
}
abort ();
return NULL;
}
/* Subroutine of frv_cgen_cpu_open to build the hardware table. */
@ -6386,8 +6386,8 @@ frv_cgen_cpu_open (enum cgen_cpu_open_arg arg_type, ...)
const char *name = va_arg (ap, const char *);
const CGEN_MACH *mach =
lookup_mach_via_bfd_name (frv_cgen_mach_table, name);
machs |= 1 << mach->num;
if (mach != NULL)
machs |= 1 << mach->num;
break;
}
case CGEN_CPU_OPEN_ENDIAN :