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hppa: use capstone disassembler
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XVilka committed Nov 24, 2024
1 parent 3fae910 commit 39ff7a5
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Showing 11 changed files with 840 additions and 6 deletions.
19 changes: 19 additions & 0 deletions librz/arch/isa/hppa/hppa.h
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// SPDX-FileCopyrightText: 2024 Anton Kochkov <[email protected]>
// SPDX-License-Identifier: LGPL-3.0-only

#include <rz_types.h>
#include <capstone.h>

#ifndef RZ_HPPA_H
#define RZ_HPPA_H

typedef struct {
csh h;
cs_mode mode;
cs_insn *insn;
ut32 count;
ut32 word;
RzPVector /*<RzAsmTokenPattern *>*/ *token_patterns;
} RzAsmHPPAContext;

#endif // RZ_HPPA_H
116 changes: 116 additions & 0 deletions librz/arch/isa/hppa/hppa.inc
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// SPDX-FileCopyrightText: 2023 billow <[email protected]>
// SPDX-FileCopyrightText: 2024 Anton Kochkov <[email protected]>
// SPDX-License-Identifier: LGPL-3.0-only

#include <capstone/capstone.h>
#include <capstone/hppa.h>
#include "hppa.h"

static inline cs_mode hppa_cpu_to_cs_mode(const char *cpu_type) {
if (RZ_STR_ISNOTEMPTY(cpu_type)) {
if (!strcmp(cpu_type, "hppa1.1")) {
return CS_MODE_HPPA_11;
}
if (!strcmp(cpu_type, "hppa2.0")) {
return CS_MODE_HPPA_20;
}
if (!strcmp(cpu_type, "hppa2.0w")) {
return CS_MODE_HPPA_20W;
}
}
return CS_MODE_HPPA_11;
}

static inline bool hppa_setup_cs_handle(RzAsmHPPAContext *ctx, const char *cpu, const char *features, bool big_endian) {
const cs_mode mode = hppa_cpu_to_cs_mode(cpu) | (big_endian ? CS_MODE_BIG_ENDIAN : CS_MODE_LITTLE_ENDIAN);
if (mode != ctx->mode) {
cs_close(&ctx->h);
ctx->h = 0;
ctx->mode = mode;
}

if (ctx->h != 0) {
return true;
}
cs_err err = cs_open(CS_ARCH_HPPA, mode, &ctx->h);
if (err) {
RZ_LOG_ERROR("Failed on cs_open() with error returned: %u\n", err);
return false;
}
err = cs_option(ctx->h, CS_OPT_DETAIL,
RZ_STR_ISNOTEMPTY(features) || features == NULL ? CS_OPT_ON : CS_OPT_OFF);
if (err) {
RZ_LOG_ERROR("Failed on cs_open() with error returned: %u\n", err);
return false;
}
return true;
}

static inline ut8 hppa_op_count(cs_insn *insn) {
return insn->detail->hppa.op_count;
}

static inline cs_hppa_op *hppa_op_get(cs_insn *insn, int idx) {
if (idx >= hppa_op_count(insn)) {
RZ_LOG_WARN("Failed to get operand%d [%d]: \"%s %s\"\n",
idx, hppa_op_count(insn), insn->mnemonic, insn->op_str);
rz_warn_if_reached();
return NULL;
}
return &insn->detail->hppa.operands[idx];
}

static inline const char *hppa_op_as_reg(RzAsmHPPAContext *ctx, int idx) {
const cs_hppa_op *op = hppa_op_get(ctx->insn, idx);
if (op->type != HPPA_OP_REG) {
RZ_LOG_WARN("Failed to get operand%d [%d]: \"%s %s\" [reg]\n",
idx, hppa_op_count(ctx->insn), ctx->insn->mnemonic, ctx->insn->op_str);
rz_warn_if_reached();
return NULL;
}
return cs_reg_name(ctx->h, op->reg);
}

static inline const char *hppa_op_as_mem(RzAsmHPPAContext *ctx, int idx) {
const cs_hppa_op *op = hppa_op_get(ctx->insn, idx);
if (op->type != HPPA_OP_MEM) {
RZ_LOG_WARN("Failed to get operand%d [%d]: \"%s %s\" [reg]\n",
idx, hppa_op_count(ctx->insn), ctx->insn->mnemonic, ctx->insn->op_str);
rz_warn_if_reached();
return NULL;
}
return cs_reg_name(ctx->h, op->reg);
}

static inline st64 hppa_op_as_imm(RzAsmHPPAContext *ctx, int idx) {
const cs_hppa_op *op = hppa_op_get(ctx->insn, idx);
if (op->type != HPPA_OP_IMM) {
RZ_LOG_WARN("Failed to get operand%d [%d]: \"%s %s\" [imm]\n",
idx, hppa_op_count(ctx->insn), ctx->insn->mnemonic, ctx->insn->op_str);
rz_warn_if_reached();
return 0;
}
return op->imm;
}

static inline st64 hppa_op_as_disp(RzAsmHPPAContext *ctx, int idx) {
const cs_hppa_op *op = hppa_op_get(ctx->insn, idx);
if (op->type != HPPA_OP_DISP) {
RZ_LOG_WARN("Failed to get operand%d [%d]: \"%s %s\" [imm]\n",
idx, hppa_op_count(ctx->insn), ctx->insn->mnemonic, ctx->insn->op_str);
rz_warn_if_reached();
return 0;
}
return op->imm;
}

static inline st64 hppa_op_as_target(RzAsmHPPAContext *ctx, int idx) {
const cs_hppa_op *op = hppa_op_get(ctx->insn, idx);
if (op->type != HPPA_OP_TARGET) {
RZ_LOG_WARN("Failed to get operand%d [%d]: \"%s %s\" [imm]\n",
idx, hppa_op_count(ctx->insn), ctx->insn->mnemonic, ctx->insn->op_str);
rz_warn_if_reached();
return 0;
}
return op->imm;
}
2 changes: 2 additions & 0 deletions librz/arch/meson.build
Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,7 @@ arch_plugins_list = [
'gb',
'h8300',
'hexagon',
'hppa_cs',
'i4004',
'i8080',
'java',
Expand Down Expand Up @@ -76,6 +77,7 @@ arch_plugin_sources = [
'p/arch_ebc.c',
'p/arch_gb.c',
'p/arch_h8300.c',
'p/arch_hppa_cs.c',
'p/arch_hexagon.c',
'p/arch_i4004.c',
'p/arch_i8080.c',
Expand Down
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