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

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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.
This commit is contained in:
Nick Clifton 2019-09-10 15:20:58 +01:00
parent efd0b3103f
commit aebcfb76fc
93 changed files with 1280 additions and 2552 deletions
Download patch file Download diff file Expand all files Collapse all files

31
bfd/cpu-csky.c
View file

@ -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[] =