* Prevent an abort in the FRV disassembler if the target bfd name is unknown
@ 2017-04-07 10:30 Alan Modra
0 siblings, 0 replies; only message in thread
From: Alan Modra @ 2017-04-07 10:30 UTC (permalink / raw)
To: cgen; +Cc: Nick Clifton
This moves one of Nick's patches to where it belongs. OK to apply?
PR 20946
* desc-cpu.scm (lookup_mach_via_bfd_name): Return NULL if the name
could not be matched.
(@arch@_cgen_cpu_open): Allow for lookup_mach_via_bfd_name returning
NULL.
Index: desc-cpu.scm
===================================================================
RCS file: /cvs/src/src/cgen/desc-cpu.scm,v
retrieving revision 1.34
diff -u -p -r1.34 desc-cpu.scm
--- desc-cpu.scm 25 Jul 2016 15:39:06 -0000 1.34
+++ desc-cpu.scm 7 Apr 2017 10:15:20 -0000
@@ -606,7 +606,7 @@ lookup_mach_via_bfd_name (const CGEN_MAC
return table;
++table;
}
- abort ();
+ return NULL;
}
/* Subroutine of @arch@_cgen_cpu_open to build the hardware table. */
@@ -820,7 +820,8 @@ CGEN_CPU_DESC
const CGEN_MACH *mach =
lookup_mach_via_bfd_name (@arch@_cgen_mach_table, name);
- machs |= 1 << mach->num;
+ if (mach != NULL)
+ machs |= 1 << mach->num;
break;
}
case CGEN_CPU_OPEN_ENDIAN :
--
Alan Modra
Australia Development Lab, IBM
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