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-rw-r--r--src/3rdparty/masm/disassembler/udis86/udis86_syn-att.c252
1 files changed, 252 insertions, 0 deletions
diff --git a/src/3rdparty/masm/disassembler/udis86/udis86_syn-att.c b/src/3rdparty/masm/disassembler/udis86/udis86_syn-att.c
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index 0000000000..0d1c57d482
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+++ b/src/3rdparty/masm/disassembler/udis86/udis86_syn-att.c
@@ -0,0 +1,252 @@
+/* udis86 - libudis86/syn-att.c
+ *
+ * Copyright (c) 2002-2009 Vivek Thampi
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include "config.h"
+
+#if USE(UDIS86)
+
+#include "udis86_types.h"
+#include "udis86_extern.h"
+#include "udis86_decode.h"
+#include "udis86_itab.h"
+#include "udis86_syn.h"
+
+/* -----------------------------------------------------------------------------
+ * opr_cast() - Prints an operand cast.
+ * -----------------------------------------------------------------------------
+ */
+static void
+opr_cast(struct ud* u, struct ud_operand* op)
+{
+ switch(op->size) {
+ case 16 : case 32 :
+ mkasm(u, "*"); break;
+ default: break;
+ }
+}
+
+/* -----------------------------------------------------------------------------
+ * gen_operand() - Generates assembly output for each operand.
+ * -----------------------------------------------------------------------------
+ */
+static void
+gen_operand(struct ud* u, struct ud_operand* op)
+{
+ switch(op->type) {
+ case UD_OP_REG:
+ mkasm(u, "%%%s", ud_reg_tab[op->base - UD_R_AL]);
+ break;
+
+ case UD_OP_MEM:
+ if (u->br_far) opr_cast(u, op);
+ if (u->pfx_seg)
+ mkasm(u, "%%%s:", ud_reg_tab[u->pfx_seg - UD_R_AL]);
+ if (op->offset == 8) {
+ if (op->lval.sbyte < 0)
+ mkasm(u, "-0x%x", (-op->lval.sbyte) & 0xff);
+ else mkasm(u, "0x%x", op->lval.sbyte);
+ }
+ else if (op->offset == 16)
+ mkasm(u, "0x%x", op->lval.uword);
+ else if (op->offset == 32)
+ mkasm(u, "0x%lx", (unsigned long)op->lval.udword);
+ else if (op->offset == 64)
+ mkasm(u, "0x" FMT64 "x", op->lval.uqword);
+
+ if (op->base)
+ mkasm(u, "(%%%s", ud_reg_tab[op->base - UD_R_AL]);
+ if (op->index) {
+ if (op->base)
+ mkasm(u, ",");
+ else mkasm(u, "(");
+ mkasm(u, "%%%s", ud_reg_tab[op->index - UD_R_AL]);
+ }
+ if (op->scale)
+ mkasm(u, ",%d", op->scale);
+ if (op->base || op->index)
+ mkasm(u, ")");
+ break;
+
+ case UD_OP_IMM: {
+ int64_t imm = 0;
+ uint64_t sext_mask = 0xffffffffffffffffull;
+ unsigned sext_size = op->size;
+
+ switch (op->size) {
+ case 8: imm = op->lval.sbyte; break;
+ case 16: imm = op->lval.sword; break;
+ case 32: imm = op->lval.sdword; break;
+ case 64: imm = op->lval.sqword; break;
+ }
+ if ( P_SEXT( u->itab_entry->prefix ) ) {
+ sext_size = u->operand[ 0 ].size;
+ if ( u->mnemonic == UD_Ipush )
+ /* push sign-extends to operand size */
+ sext_size = u->opr_mode;
+ }
+ if ( sext_size < 64 )
+ sext_mask = ( 1ull << sext_size ) - 1;
+ mkasm( u, "$0x" FMT64 "x", imm & sext_mask );
+
+ break;
+ }
+
+ case UD_OP_JIMM:
+ switch (op->size) {
+ case 8:
+ mkasm(u, "0x" FMT64 "x", u->pc + op->lval.sbyte);
+ break;
+ case 16:
+ mkasm(u, "0x" FMT64 "x", (u->pc + op->lval.sword) & 0xffff );
+ break;
+ case 32:
+ if (u->dis_mode == 32)
+ mkasm(u, "0x" FMT64 "x", (u->pc + op->lval.sdword) & 0xffffffff);
+ else
+ mkasm(u, "0x" FMT64 "x", u->pc + op->lval.sdword);
+ break;
+ default:break;
+ }
+ break;
+
+ case UD_OP_PTR:
+ switch (op->size) {
+ case 32:
+ mkasm(u, "$0x%x, $0x%x", op->lval.ptr.seg,
+ op->lval.ptr.off & 0xFFFF);
+ break;
+ case 48:
+ mkasm(u, "$0x%x, $0x%lx", op->lval.ptr.seg,
+ (unsigned long)op->lval.ptr.off);
+ break;
+ }
+ break;
+
+ default: return;
+ }
+}
+
+/* =============================================================================
+ * translates to AT&T syntax
+ * =============================================================================
+ */
+extern void
+ud_translate_att(struct ud *u)
+{
+ int size = 0;
+
+ /* check if P_OSO prefix is used */
+ if (! P_OSO(u->itab_entry->prefix) && u->pfx_opr) {
+ switch (u->dis_mode) {
+ case 16:
+ mkasm(u, "o32 ");
+ break;
+ case 32:
+ case 64:
+ mkasm(u, "o16 ");
+ break;
+ }
+ }
+
+ /* check if P_ASO prefix was used */
+ if (! P_ASO(u->itab_entry->prefix) && u->pfx_adr) {
+ switch (u->dis_mode) {
+ case 16:
+ mkasm(u, "a32 ");
+ break;
+ case 32:
+ mkasm(u, "a16 ");
+ break;
+ case 64:
+ mkasm(u, "a32 ");
+ break;
+ }
+ }
+
+ if (u->pfx_lock)
+ mkasm(u, "lock ");
+ if (u->pfx_rep)
+ mkasm(u, "rep ");
+ if (u->pfx_repne)
+ mkasm(u, "repne ");
+
+ /* special instructions */
+ switch (u->mnemonic) {
+ case UD_Iretf:
+ mkasm(u, "lret ");
+ break;
+ case UD_Idb:
+ mkasm(u, ".byte 0x%x", u->operand[0].lval.ubyte);
+ return;
+ case UD_Ijmp:
+ case UD_Icall:
+ if (u->br_far) mkasm(u, "l");
+ mkasm(u, "%s", ud_lookup_mnemonic(u->mnemonic));
+ break;
+ case UD_Ibound:
+ case UD_Ienter:
+ if (u->operand[0].type != UD_NONE)
+ gen_operand(u, &u->operand[0]);
+ if (u->operand[1].type != UD_NONE) {
+ mkasm(u, ",");
+ gen_operand(u, &u->operand[1]);
+ }
+ return;
+ default:
+ mkasm(u, "%s", ud_lookup_mnemonic(u->mnemonic));
+ }
+
+ if (u->c1)
+ size = u->operand[0].size;
+ else if (u->c2)
+ size = u->operand[1].size;
+ else if (u->c3)
+ size = u->operand[2].size;
+
+ if (size == 8)
+ mkasm(u, "b");
+ else if (size == 16)
+ mkasm(u, "w");
+ else if (size == 64)
+ mkasm(u, "q");
+
+ mkasm(u, " ");
+
+ if (u->operand[2].type != UD_NONE) {
+ gen_operand(u, &u->operand[2]);
+ mkasm(u, ", ");
+ }
+
+ if (u->operand[1].type != UD_NONE) {
+ gen_operand(u, &u->operand[1]);
+ mkasm(u, ", ");
+ }
+
+ if (u->operand[0].type != UD_NONE)
+ gen_operand(u, &u->operand[0]);
+}
+
+#endif // USE(UDIS86)
+
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