Hexagon (target/hexagon) instruction printing

Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1612763186-18161-15-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Taylor Simpson 2021-02-07 23:46:04 -06:00 committed by Richard Henderson
parent 66d29a5e80
commit 3f33e7875f
2 changed files with 173 additions and 0 deletions

146
target/hexagon/printinsn.c Normal file
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/*
* Copyright(c) 2019-2021 Qualcomm Innovation Center, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include "qemu/osdep.h"
#include "attribs.h"
#include "printinsn.h"
#include "insn.h"
#include "reg_fields.h"
#include "internal.h"
static const char *sreg2str(unsigned int reg)
{
if (reg < TOTAL_PER_THREAD_REGS) {
return hexagon_regnames[reg];
} else {
return "???";
}
}
static const char *creg2str(unsigned int reg)
{
return sreg2str(reg + HEX_REG_SA0);
}
static void snprintinsn(GString *buf, Insn *insn)
{
switch (insn->opcode) {
#define DEF_VECX_PRINTINFO(TAG, FMT, ...) DEF_PRINTINFO(TAG, FMT, __VA_ARGS__)
#define DEF_PRINTINFO(TAG, FMT, ...) \
case TAG: \
g_string_append_printf(buf, FMT, __VA_ARGS__); \
break;
#include "printinsn_generated.h.inc"
#undef DEF_VECX_PRINTINFO
#undef DEF_PRINTINFO
}
}
void snprint_a_pkt_disas(GString *buf, Packet *pkt, uint32_t *words,
target_ulong pc)
{
bool has_endloop0 = false;
bool has_endloop1 = false;
bool has_endloop01 = false;
for (int i = 0; i < pkt->num_insns; i++) {
if (pkt->insn[i].part1) {
continue;
}
/* We'll print the endloop's at the end of the packet */
if (pkt->insn[i].opcode == J2_endloop0) {
has_endloop0 = true;
continue;
}
if (pkt->insn[i].opcode == J2_endloop1) {
has_endloop1 = true;
continue;
}
if (pkt->insn[i].opcode == J2_endloop01) {
has_endloop01 = true;
continue;
}
g_string_append_printf(buf, "0x" TARGET_FMT_lx "\t", words[i]);
if (i == 0) {
g_string_append(buf, "{");
}
g_string_append(buf, "\t");
snprintinsn(buf, &(pkt->insn[i]));
if (i < pkt->num_insns - 1) {
/*
* Subinstructions are two instructions encoded
* in the same word. Print them on the same line.
*/
if (GET_ATTRIB(pkt->insn[i].opcode, A_SUBINSN)) {
g_string_append(buf, "; ");
snprintinsn(buf, &(pkt->insn[i + 1]));
i++;
} else if (pkt->insn[i + 1].opcode != J2_endloop0 &&
pkt->insn[i + 1].opcode != J2_endloop1 &&
pkt->insn[i + 1].opcode != J2_endloop01) {
pc += 4;
g_string_append_printf(buf, "\n0x" TARGET_FMT_lx ": ", pc);
}
}
}
g_string_append(buf, " }");
if (has_endloop0) {
g_string_append(buf, " :endloop0");
}
if (has_endloop1) {
g_string_append(buf, " :endloop1");
}
if (has_endloop01) {
g_string_append(buf, " :endloop01");
}
}
void snprint_a_pkt_debug(GString *buf, Packet *pkt)
{
int slot, opcode;
if (pkt->num_insns > 1) {
g_string_append(buf, "\n{\n");
}
for (int i = 0; i < pkt->num_insns; i++) {
if (pkt->insn[i].part1) {
continue;
}
g_string_append(buf, "\t");
snprintinsn(buf, &(pkt->insn[i]));
if (GET_ATTRIB(pkt->insn[i].opcode, A_SUBINSN)) {
g_string_append(buf, " //subinsn");
}
if (pkt->insn[i].extension_valid) {
g_string_append(buf, " //constant extended");
}
slot = pkt->insn[i].slot;
opcode = pkt->insn[i].opcode;
g_string_append_printf(buf, " //slot=%d:tag=%s\n",
slot, opcode_names[opcode]);
}
if (pkt->num_insns > 1) {
g_string_append(buf, "}\n");
}
}

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/*
* Copyright(c) 2019-2021 Qualcomm Innovation Center, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef HEXAGON_PRINTINSN_H
#define HEXAGON_PRINTINSN_H
#include "insn.h"
void snprint_a_pkt_disas(GString *buf, Packet *pkt, uint32_t *words,
target_ulong pc);
void snprint_a_pkt_debug(GString *buf, Packet *pkt);
#endif