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Fix #17850 - Fix sparc disassembler with invalid instructions

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pancake 2023-06-01 17:19:49 +02:00 committed by pancake
parent 93dbc62c72
commit 6102b1208a
2 changed files with 32 additions and 2 deletions
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7
libr/arch/p/sparc_cs/plugin.c
View File

@ -1,4 +1,4 @@
/* radare2 - LGPL - Copyright 2014-2022 - pancake */
/* radare2 - LGPL - Copyright 2014-2023 - pancake */
#include <r_anal.h>
#include <r_lib.h>
@ -147,6 +147,11 @@ performed in big-endian byte order.
int n = cs_disasm (handle, (const ut8*)buf, len, addr, 1, &insn);
if (n < 1) {
op->type = R_ANAL_OP_TYPE_ILL;
op->size = 4;
if (mask & R_ARCH_OP_MASK_DISASM) {
free (op->mnemonic);
op->mnemonic = strdup ("empty");
}
} else {
if (mask & R_ARCH_OP_MASK_OPEX) {
opex (&op->opex, handle, insn);

27
test/db/anal/sparc
View File

@ -160,7 +160,7 @@ af
afl
EOF
EXPECT=<<EOF
0x00018c08 360 7628 main
0x00018c08 360 7376 main
EOF
RUN
@ -494,3 +494,28 @@ EXPECT=<<EOF
0x0001bcf8 0x0001bd00 00:0000 8
EOF
RUN
NAME=sparc-1 main
FILE=bins/elf/sparc-1
ARGS=-e asm.lines=false
CMDS=<<EOF
pd 4
s main
pd 4
EOF
EXPECT=<<EOF
;-- section..text:
;-- .text:
;-- entry0:
;-- _start:
0x000100f0 bc100000 mov g0, fp ; [02] -r-x section size 50552 named .text
0x000100f4 9c23a018 sub sp, 0x18, sp
0x000100f8 d203a058 ld [sp+0x58], o1
0x000100fc 9403a05c add sp, 0x5c, o2
;-- main:
0x000104b4 fc3ba038 empty
0x000104b8 9c03bfa0 add sp, -0x60, sp
0x000104bc bc23bfa0 sub sp, -0x60, fp
0x000104c0 be10000f mov o7, i7
EOF
RUN