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, 11 insertions, 105 deletions

diff --git a/bfd/cpu-h8300.c b/bfd/cpu-h8300.c
index 6c4019e472d..53dd4ec52b5 100644
--- a/bfd/cpu-h8300.c
+++ b/bfd/cpu-h8300.c
@@ -113,124 +113,30 @@ compatible (const bfd_arch_info_type *in, const bfd_arch_info_type *out)
     return in;
 }
 
+#define N(word, addr, number, name, print, default, next)	  \
+  { word, addr, 8, bfd_arch_h8300, number, name, print, 1, default, \
+    compatible, h8300_scan, bfd_arch_default_fill, next, 0 }
+
 static const bfd_arch_info_type h8300sxn_info_struct =
-{
-  32,				/* 32 bits in a word */
-  16,				/* 16 bits in an address */
-  8,				/* 8 bits in a byte */
-  bfd_arch_h8300,
-  bfd_mach_h8300sxn,
-  "h8300sxn",			/* arch_name  */
-  "h8300sxn",			/* printable name */
-  1,
-  FALSE,			/* the default machine */
-  compatible,
-  h8300_scan,
-  bfd_arch_default_fill,
-  0
-};
+  N (32, 16, bfd_mach_h8300sxn, "h8300sxn", "h8300sxn", FALSE, NULL);
 
 static const bfd_arch_info_type h8300sx_info_struct =
-{
-  32,				/* 32 bits in a word */
-  32,				/* 32 bits in an address */
-  8,				/* 8 bits in a byte */
-  bfd_arch_h8300,
-  bfd_mach_h8300sx,
-  "h8300sx",			/* arch_name  */
-  "h8300sx",			/* printable name */
-  1,
-  FALSE,			/* the default machine */
-  compatible,
-  h8300_scan,
-  bfd_arch_default_fill,
-  &h8300sxn_info_struct
-};
+  N (32, 32, bfd_mach_h8300sx, "h8300sx", "h8300sx", FALSE, &h8300sxn_info_struct);
 
 static const bfd_arch_info_type h8300sn_info_struct =
-{
-  32,				/* 32 bits in a word.  */
-  16,				/* 16 bits in an address.  */
-  8,				/* 8 bits in a byte.  */
-  bfd_arch_h8300,
-  bfd_mach_h8300sn,
-  "h8300sn",			/* Architecture name.  */
-  "h8300sn",			/* Printable name.  */
-  1,
-  FALSE,			/* The default machine.  */
-  compatible,
-  h8300_scan,
-  bfd_arch_default_fill,
-  &h8300sx_info_struct
-};
+  N (32, 16, bfd_mach_h8300sn, "h8300sn", "h8300sn", FALSE, &h8300sx_info_struct);
 
 static const bfd_arch_info_type h8300hn_info_struct =
-{
-  32,				/* 32 bits in a word.  */
-  16,				/* 16 bits in an address.  */
-  8,				/* 8 bits in a byte.  */
-  bfd_arch_h8300,
-  bfd_mach_h8300hn,
-  "h8300hn",			/* Architecture name.  */
-  "h8300hn",			/* Printable name.  */
-  1,
-  FALSE,			/* The default machine.  */
-  compatible,
-  h8300_scan,
-  bfd_arch_default_fill,
-  &h8300sn_info_struct
-};
+  N (32, 16, bfd_mach_h8300hn, "h8300hn", "h8300hn", FALSE, &h8300sn_info_struct);
 
 static const bfd_arch_info_type h8300s_info_struct =
-{
-  32,				/* 32 bits in a word.  */
-  32,				/* 32 bits in an address.  */
-  8,				/* 8 bits in a byte.  */
-  bfd_arch_h8300,
-  bfd_mach_h8300s,
-  "h8300s",			/* Architecture name.  */
-  "h8300s",			/* Printable name.  */
-  1,
-  FALSE,			/* The default machine.  */
-  compatible,
-  h8300_scan,
-  bfd_arch_default_fill,
-  & h8300hn_info_struct
-};
+  N (32, 32, bfd_mach_h8300s, "h8300s", "h8300s", FALSE, & h8300hn_info_struct);
 
 static const bfd_arch_info_type h8300h_info_struct =
-{
-  32,				/* 32 bits in a word.  */
-  32,				/* 32 bits in an address.  */
-  8,				/* 8 bits in a byte.  */
-  bfd_arch_h8300,
-  bfd_mach_h8300h,
-  "h8300h",			/* Architecture name.  */
-  "h8300h",			/* Printable name.  */
-  1,
-  FALSE,			/* The default machine.  */
-  compatible,
-  h8300_scan,
-  bfd_arch_default_fill,
-  &h8300s_info_struct
-};
+  N (32, 32, bfd_mach_h8300h, "h8300h", "h8300h", FALSE, &h8300s_info_struct);
 
 const bfd_arch_info_type bfd_h8300_arch =
-{
-  16,				/* 16 bits in a word.  */
-  16,				/* 16 bits in an address.  */
-  8,				/* 8 bits in a byte.  */
-  bfd_arch_h8300,
-  bfd_mach_h8300,
-  "h8300",			/* Architecture name.  */
-  "h8300",			/* Printable name.  */
-  1,
-  TRUE,				/* The default machine.  */
-  compatible,
-  h8300_scan,
-  bfd_arch_default_fill,
-  &h8300h_info_struct
-};
+  N (16, 16, bfd_mach_h8300, "h8300", "h8300", TRUE, &h8300h_info_struct);
 
 /* Pad the given address to 32 bits, converting 16-bit and 24-bit
    addresses into the values they would have had on a h8s target.  */