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, 16 insertions, 15 deletions

diff --git a/bfd/cpu-csky.c b/bfd/cpu-csky.c
index 1bde70e..463dce5 100644
--- a/bfd/cpu-csky.c
+++ b/bfd/cpu-csky.c
@@ -23,21 +23,22 @@
 #include "bfd.h"
 #include "libbfd.h"
 
-#define N(NUMBER, PRINT, ISDEFAULT, NEXT)  \
-{                                                                      \
-  32,                     /* 32 bits in a word */                      \
-  32,                     /* 32 bits in an address */                  \
-  8,                      /* 8 bits in a byte */                       \
-  bfd_arch_csky,          /* Architecture */                           \
-  NUMBER,                 /* Machine number */                         \
-  "csky",                 /* Architecture name */                      \
-  PRINT,                  /* Printable name */                         \
-  3,                      /* Section align power */                    \
-  ISDEFAULT,              /* Is this the default architecture ? */     \
-  bfd_default_compatible, /* Architecture comparison function */       \
-  bfd_default_scan,       /* String to architecture conversion */      \
-  bfd_arch_default_fill,                                               \
-  NEXT                    /* Next in list */                           \
+#define N(NUMBER, PRINT, ISDEFAULT, NEXT)			        \
+{                                                                       \
+  32,                     /* Bits in a word.  */                        \
+  32,                     /* Bits in an address.  */                    \
+  8,                      /* Bits in a byte.  */                        \
+  bfd_arch_csky,          /* Architecture.  */                          \
+  NUMBER,                 /* Machine number.  */                        \
+  "csky",                 /* Architecture name.  */                     \
+  PRINT,                  /* Printable name.  */                        \
+  3,                      /* Section align power.  */                   \
+  ISDEFAULT,              /* Is this the default architecture ?  */	\
+  bfd_default_compatible, /* Architecture comparison function.  */	\
+  bfd_default_scan,       /* String to architecture conversion.  */	\
+  bfd_arch_default_fill,						\
+  NEXT,                   /* Next in list.  */				\
+  0 /* Maximum offset of a reloc from the start of an insn.  */		\
 }
 
 static const bfd_arch_info_type arch_info_struct[] =