OpenE2K
/
binutils-gdb
12
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity
101,680 Commits 4 Branches 0 Tags 364 MiB
Commit Graph

10 Commits

Author SHA1 Message Date
Alan Modra d1023b5d1e s12z disassembler tidy 
Don't ignore buffer memory read failure, or malloc failure.  Lots of
functions get a return status to pass these failures up the chain in
this patch.

opcodes/
	* s12z-dis.c (abstract_read_memory): Don't print error on EOI.
	* s12z-opc.c: Formatting.
	(operands_f): Return an int.
	(opr_n_bytes_p1): Return -1 on reaching buffer memory limit.
	(opr_n_bytes2, bfextins_n_bytes, mul_n_bytes, bm_n_bytes),
	(shift_n_bytes, mov_imm_opr_n_bytes, loop_prim_n_bytes),
	(exg_sex_discrim): Likewise.
	(create_immediate_operand, create_bitfield_operand),
	(create_register_operand_with_size, create_register_all_operand),
	(create_register_all16_operand, create_simple_memory_operand),
	(create_memory_operand, create_memory_auto_operand): Don't
	segfault on malloc failure.
	(z_ext24_decode): Return an int status, negative on fail, zero
	on success.
	(x_imm1, imm1_decode, trap_decode, z_opr_decode, z_opr_decode2),
	(imm1234, reg_s_imm, reg_s_opr, z_imm1234_8base, z_imm1234_0base),
	(z_tfr, z_reg, reg_xy, lea_reg_xys_opr, lea_reg_xys, rel_15_7),
	(decode_rel_15_7, cmp_xy, sub_d6_x_y, sub_d6_y_x),
	(ld_18bit_decode, mul_decode, bm_decode, bm_rel_decode),
	(mov_imm_opr, ld_18bit_decode, exg_sex_decode),
	(loop_primitive_decode, shift_decode, psh_pul_decode),
	(bit_field_decode): Similarly.
	(z_decode_signed_value, decode_signed_value): Similarly.  Add arg
	to return value, update callers.
	(x_opr_decode_with_size): Check all reads, returning NULL on fail.
	Don't segfault on NULL operand.
	(decode_operation): Return OP_INVALID on first fail.
	(decode_s12z): Check all reads, returning -1 on fail.
gas/
	* testsuite/gas/s12z/truncated.d: Update expected output.
 2020-03-22 23:20:15 +10:30
Alan Modra b3adc24a07 Update year range in copyright notice of binutils files 2020-01-01 18:42:54 +10:30
Alan Modra 205c426a9b ubsan: s12z: left shift cannot be represented in type 'int' 
* s12z-opc.c (z_decode_signed_value): Avoid signed overflow.
 2019-12-11 11:40:51 +10:30
Alan Modra e7c22a69ac s12z-opc.c formatting fixes 
Wrap overlong lines, whitespace fixes, and for function definitions
start a line with the name of the function.

	* s12z-opc.c: Formatting.
 2019-12-10 09:00:04 +10:30
Alan Modra 0a6aef6b66 S12Z disassembler memory leak 
* s12z-opc.c (exg_sex_discrim): Don't leak memory on invalid
	registers.
 2019-12-08 22:03:53 +10:30
Nick Clifton 66a66a17f4 Fix array overruns in the S12Z disassembler. 
* s12z-dis.c (opr_emit_disassembly): Check for illegal register
	values.
	(shift_size_table): Use a fixed size defined as S12Z_N_SIZES.
	(print_insn_s12z):  Check for illegal size values.
 2019-10-29 09:17:39 +00:00
John Darrington 4a90ce955e S12Z: Opcodes: Fix crash when trying to decode a truncated operation. 
opcodes/
	* s12z-opc.c (shift_discrim): Return OP_INVALID when reading fails.

gas/
	* testsuite/gas/s12z/truncated.d: New file.
	* testsuite/gas/s12z/truncated.s: New file.
	* testsuite/gas/s12z/s12z.exp: Add new test.
 2019-04-29 16:10:21 +02:00
John Darrington a679f24ecc S12Z: Opcodes: Handle bit map operations with non-canonical operands. 
opcodes/
	* s12z-opc.c (bm_decode): Handle the RESERVERD0 case.

gas/
	* testsuite/gas/s12z/bit-manip-invalid.d: Extend the test.
	* testsuite/gas/s12z/bit-manip-invalid.s: Extend the test.
 2019-04-24 10:33:52 +02:00
John Darrington e5a557ac01 S12Z: opcodes: Replace "operator" with "optr". 
opcodes/
	* s12z-dis.c, s12z-opc.c, s12z-opc.h: Replace operator with optr.
 2019-04-12 18:39:01 +02:00
John Darrington ef1ad42b8b S12Z: opcodes: Separate the decoding of operations from their display. 
This change adds an abstraction layer between the decoding of machine
operations and their disassembled textual representation.  This allows
the decoding routines to be re-used for other purposes (at the expense)
of slightly slower running time.

ChangeLog: opcodes/

   * s12z-opc.c: New file.
   * s12z-opc.h: New file.
   * s12z-dis.c: Removed all code not directly related to display
     of instructions.  Used the interface provided by the new files
     instead.
   * Makefile.am (TARGET_LIBOPCODES_CFILES) Add s12z-opc.c.
   * Makefile.in: regenerate.
   * configure.ac (bfd_s12z_arch): Correct the dependencies.
   * configure: regenerate.
 2019-01-03 18:30:40 +01:00