Enhance the disassembler so that it will reliably determine whether a reloc applies to the middle of the next insn.

	PR 24907
binutils* objdump.c (null_print): New function.
	(disassemble_bytes): Delete previous_octets local and replace with
	a test of the max_reloc_offset_into_insn field of the
	bfd_arch_info structure.  If a reloc is a potential match for the
	next insn, then perform a dummy disassembly in order to calculate
	its real length.

bfd	* archures.c (bfd_arch_info_type): Add max_reloc_offset_into_insn
	field.
	(bfd_default_arch_struct): Initialise the new field.
	* bfd-in2.h: Regenerate.
	* cpu-aarch64.c: Initialise the new field.
	* cpu-alpha.c: Likewise.
	* cpu-arc.c: Likewise.
	* cpu-arm.c: Likewise.
	* cpu-avr.c: Likewise.
	* cpu-bfin.c: Likewise.
	* cpu-bpf.c: Likewise.
	* cpu-cr16.c: Likewise.
	* cpu-cr16c.c: Likewise.
	* cpu-cris.c: Likewise.
	* cpu-crx.c: Likewise.
	* cpu-csky.c: Likewise.
	* cpu-d10v.c: Likewise.
	* cpu-d30v.c: Likewise.
	* cpu-dlx.c: Likewise.
	* cpu-epiphany.c: Likewise.
	* cpu-fr30.c: Likewise.
	* cpu-frv.c: Likewise.
	* cpu-ft32.c: Likewise.
	* cpu-h8300.c: Likewise.
	* cpu-hppa.c: Likewise.
	* cpu-i386.c: Likewise.
	* cpu-ia64.c: Likewise.
	* cpu-iamcu.c: Likewise.
	* cpu-ip2k.c: Likewise.
	* cpu-iq2000.c: Likewise.
	* cpu-k1om.c: Likewise.
	* cpu-l1om.c: Likewise.
	* cpu-lm32.c: Likewise.
	* cpu-m10200.c: Likewise.
	* cpu-m10300.c: Likewise.
	* cpu-m32c.c: Likewise.
	* cpu-m32r.c: Likewise.
	* cpu-m68hc11.c: Likewise.
	* cpu-m68hc12.c: Likewise.
	* cpu-m68k.c: Likewise.
	* cpu-m9s12x.c: Likewise.
	* cpu-m9s12xg.c: Likewise.
	* cpu-mcore.c: Likewise.
	* cpu-mep.c: Likewise.
	* cpu-metag.c: Likewise.
	* cpu-microblaze.c: Likewise.
	* cpu-mips.c: Likewise.
	* cpu-mmix.c: Likewise.
	* cpu-moxie.c: Likewise.
	* cpu-msp430.c: Likewise.
	* cpu-mt.c: Likewise.
	* cpu-nds32.c: Likewise.
	* cpu-nfp.c: Likewise.
	* cpu-nios2.c: Likewise.
	* cpu-ns32k.c: Likewise.
	* cpu-or1k.c: Likewise.
	* cpu-pdp11.c: Likewise.
	* cpu-pj.c: Likewise.
	* cpu-plugin.c: Likewise.
	* cpu-powerpc.c: Likewise.
	* cpu-pru.c: Likewise.
	* cpu-riscv.c: Likewise.
	* cpu-rl78.c: Likewise.
	* cpu-rs6000.c: Likewise.
	* cpu-rx.c: Likewise.
	* cpu-s12z.c: Likewise.
	* cpu-s390.c: Likewise.
	* cpu-score.c: Likewise.
	* cpu-sh.c: Likewise.
	* cpu-sparc.c: Likewise.
	* cpu-spu.c: Likewise.
	* cpu-tic30.c: Likewise.
	* cpu-tic4x.c: Likewise.
	* cpu-tic54x.c: Likewise.
	* cpu-tic6x.c: Likewise.
	* cpu-tic80.c: Likewise.
	* cpu-tilegx.c: Likewise.
	* cpu-tilepro.c: Likewise.
	* cpu-v850.c: Likewise.
	* cpu-v850_rh850.c: Likewise.
	* cpu-vax.c: Likewise.
	* cpu-visium.c: Likewise.
	* cpu-wasm32.c: Likewise.
	* cpu-xc16x.c: Likewise.
	* cpu-xgate.c: Likewise.
	* cpu-xstormy16.c: Likewise.
	* cpu-xtensa.c: Likewise.
	* cpu-z80.c: Likewise.
	* cpu-z8k.c: Likewise.

gas	* testsuite/gas/arm/pr24907.s: New test.
	* testsuite/gas/arm/pr24907.d: Expected disassembly.

1 files changed, 10 insertions, 15 deletions

diff --git a/bfd/cpu-v850.c b/bfd/cpu-v850.c
index d4c86938fe7..0daea285ef9 100644
--- a/bfd/cpu-v850.c
+++ b/bfd/cpu-v850.c
@@ -24,23 +24,18 @@
 #include "safe-ctype.h"
 
 #define N(number, print, default, next)  \
-{  32, 32, 8, bfd_arch_v850, number, "v850", print ":old-gcc-abi", 2, default, \
-   bfd_default_compatible, bfd_default_scan, bfd_arch_default_fill, next }
+ { 32, 32, 8, bfd_arch_v850, number, "v850", print ":old-gcc-abi", 2, default, \
+   bfd_default_compatible, bfd_default_scan, bfd_arch_default_fill, next, 0 }
 
-#define NEXT NULL
-
-static const bfd_arch_info_type arch_info_struct[] =
+static const bfd_arch_info_type arch_info_struct[6] =
 {
-  N (bfd_mach_v850e3v5, "v850e3v5",	FALSE, & arch_info_struct[1]),
-  N (bfd_mach_v850e3v5, "v850e2v4",	FALSE, & arch_info_struct[2]),
-  N (bfd_mach_v850e2v3, "v850e2v3",	FALSE, & arch_info_struct[3]),
-  N (bfd_mach_v850e2,	"v850e2",	FALSE, & arch_info_struct[4]),
-  N (bfd_mach_v850e1,	"v850e1",	FALSE, & arch_info_struct[5]),
-  N (bfd_mach_v850e,	"v850e",	FALSE, NULL)
+  N (bfd_mach_v850e3v5, "v850e3v5", FALSE, arch_info_struct + 1),
+  N (bfd_mach_v850e3v5, "v850e2v4", FALSE, arch_info_struct + 2),
+  N (bfd_mach_v850e2v3, "v850e2v3", FALSE, arch_info_struct + 3),
+  N (bfd_mach_v850e2,	"v850e2",   FALSE, arch_info_struct + 4),
+  N (bfd_mach_v850e1,	"v850e1",   FALSE, arch_info_struct + 5),
+  N (bfd_mach_v850e,	"v850e",    FALSE, NULL)
 };
 
-#undef  NEXT
-#define NEXT & arch_info_struct[0]
-
 const bfd_arch_info_type bfd_v850_arch =
-  N (bfd_mach_v850, "v850", TRUE, NEXT);
+  N (bfd_mach_v850,     "v850",     TRUE,  arch_info_struct + 0);