summaryrefslogtreecommitdiffstats
path: root/Source/JavaScriptCore/disassembler/udis86/udis86_syn-att.c
diff options
context:
space:
mode:
Diffstat (limited to 'Source/JavaScriptCore/disassembler/udis86/udis86_syn-att.c')
-rw-r--r--Source/JavaScriptCore/disassembler/udis86/udis86_syn-att.c312
1 files changed, 141 insertions, 171 deletions
diff --git a/Source/JavaScriptCore/disassembler/udis86/udis86_syn-att.c b/Source/JavaScriptCore/disassembler/udis86/udis86_syn-att.c
index c9c84880a..7d5646e4a 100644
--- a/Source/JavaScriptCore/disassembler/udis86/udis86_syn-att.c
+++ b/Source/JavaScriptCore/disassembler/udis86/udis86_syn-att.c
@@ -23,6 +23,7 @@
* (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)
@@ -32,6 +33,7 @@
#include "udis86_decode.h"
#include "udis86_itab.h"
#include "udis86_syn.h"
+#include "udis86_udint.h"
/* -----------------------------------------------------------------------------
* opr_cast() - Prints an operand cast.
@@ -41,9 +43,9 @@ static void
opr_cast(struct ud* u, struct ud_operand* op)
{
switch(op->size) {
- case 16 : case 32 :
- mkasm(u, "*"); break;
- default: break;
+ case 16 : case 32 :
+ ud_asmprintf(u, "*"); break;
+ default: break;
}
}
@@ -55,107 +57,66 @@ 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) {
- if (op->lval.sword < 0)
- mkasm(u, "-0x%x", (-op->lval.sword) & 0xffff);
- else
- mkasm(u, "0x%x", op->lval.sword);
- } else if (op->offset == 32) {
- if (op->lval.sdword < 0)
- mkasm(u, "-0x%x", (-op->lval.sdword) & 0xffffffff);
- else
- mkasm(u, "0x%x", op->lval.sdword);
- } else if (op->offset == 64) {
- if (op->lval.sdword < 0)
- mkasm(u, "-0x" FMT64 "x", (uint64_t)-op->lval.sqword);
- else
- mkasm(u, "0x" FMT64 "x", (uint64_t)op->lval.sqword);
- }
+ case UD_OP_CONST:
+ ud_asmprintf(u, "$0x%x", op->lval.udword);
+ break;
- 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_REG:
+ ud_asmprintf(u, "%%%s", ud_reg_tab[op->base - UD_R_AL]);
+ 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", (uint64_t)(imm & sext_mask) );
-
- break;
+ case UD_OP_MEM:
+ if (u->br_far) {
+ opr_cast(u, op);
}
-
- case UD_OP_JIMM:
- switch (op->size) {
- case 8:
- mkasm(u, "0x" FMT64 "x", (uint64_t)(u->pc + op->lval.sbyte));
- break;
- case 16:
- mkasm(u, "0x" FMT64 "x", (uint64_t)((u->pc + op->lval.sword) & 0xffff) );
- break;
- case 32:
- if (u->dis_mode == 32)
- mkasm(u, "0x" FMT64 "x", (uint64_t)((u->pc + op->lval.sdword) & 0xffffffff));
- else
- mkasm(u, "0x" FMT64 "x", (uint64_t)(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, $0x%lx", op->lval.ptr.seg,
- (unsigned long)op->lval.ptr.off);
- break;
- }
- break;
-
- default: return;
+ if (u->pfx_seg) {
+ ud_asmprintf(u, "%%%s:", ud_reg_tab[u->pfx_seg - UD_R_AL]);
+ }
+ if (op->offset != 0) {
+ ud_syn_print_mem_disp(u, op, 0);
+ }
+ if (op->base) {
+ ud_asmprintf(u, "(%%%s", ud_reg_tab[op->base - UD_R_AL]);
+ }
+ if (op->index) {
+ if (op->base) {
+ ud_asmprintf(u, ",");
+ } else {
+ ud_asmprintf(u, "(");
+ }
+ ud_asmprintf(u, "%%%s", ud_reg_tab[op->index - UD_R_AL]);
+ }
+ if (op->scale) {
+ ud_asmprintf(u, ",%d", op->scale);
+ }
+ if (op->base || op->index) {
+ ud_asmprintf(u, ")");
+ }
+ break;
+
+ case UD_OP_IMM:
+ ud_asmprintf(u, "$");
+ ud_syn_print_imm(u, op);
+ break;
+
+ case UD_OP_JIMM:
+ ud_syn_print_addr(u, ud_syn_rel_target(u, op));
+ break;
+
+ case UD_OP_PTR:
+ switch (op->size) {
+ case 32:
+ ud_asmprintf(u, "$0x%x, $0x%x", op->lval.ptr.seg,
+ op->lval.ptr.off & 0xFFFF);
+ break;
+ case 48:
+ ud_asmprintf(u, "$0x%x, $0x%x", op->lval.ptr.seg,
+ op->lval.ptr.off);
+ break;
+ }
+ break;
+
+ default: return;
}
}
@@ -167,99 +128,108 @@ extern void
ud_translate_att(struct ud *u)
{
int size = 0;
- unsigned i;
+ int star = 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;
- }
+ switch (u->dis_mode) {
+ case 16:
+ ud_asmprintf(u, "o32 ");
+ break;
+ case 32:
+ case 64:
+ ud_asmprintf(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;
- }
+ switch (u->dis_mode) {
+ case 16:
+ ud_asmprintf(u, "a32 ");
+ break;
+ case 32:
+ ud_asmprintf(u, "a16 ");
+ break;
+ case 64:
+ ud_asmprintf(u, "a32 ");
+ break;
+ }
}
if (u->pfx_lock)
- mkasm(u, "lock ");
- if (u->pfx_rep)
- mkasm(u, "rep ");
- if (u->pfx_repne)
- mkasm(u, "repne ");
+ ud_asmprintf(u, "lock ");
+ if (u->pfx_rep) {
+ ud_asmprintf(u, "rep ");
+ } else if (u->pfx_repe) {
+ ud_asmprintf(u, "repe ");
+ } else if (u->pfx_repne) {
+ ud_asmprintf(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));
+ case UD_Iretf:
+ ud_asmprintf(u, "lret ");
+ break;
+ case UD_Idb:
+ ud_asmprintf(u, ".byte 0x%x", u->operand[0].lval.ubyte);
+ return;
+ case UD_Ijmp:
+ case UD_Icall:
+ if (u->br_far) ud_asmprintf(u, "l");
+ if (u->operand[0].type == UD_OP_REG) {
+ star = 1;
+ }
+ ud_asmprintf(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) {
+ ud_asmprintf(u, ",");
+ gen_operand(u, &u->operand[1]);
+ }
+ return;
+ default:
+ ud_asmprintf(u, "%s", ud_lookup_mnemonic(u->mnemonic));
}
- for (i = 3; i--;) {
- if (u->operand[i].size > size
- && u->operand[i].type != UD_OP_JIMM)
- size = u->operand[i].size;
+ if (size == 8) {
+ ud_asmprintf(u, "b");
+ } else if (size == 16) {
+ ud_asmprintf(u, "w");
+ } else if (size == 64) {
+ ud_asmprintf(u, "q");
}
- if (size == 8)
- mkasm(u, "b");
- else if (size == 16)
- mkasm(u, "w");
- else if (size == 32)
- mkasm(u, "l");
- else if (size == 64)
- mkasm(u, "q");
-
- mkasm(u, " ");
+ if (star) {
+ ud_asmprintf(u, " *");
+ } else {
+ ud_asmprintf(u, " ");
+ }
+ if (u->operand[3].type != UD_NONE) {
+ gen_operand(u, &u->operand[3]);
+ ud_asmprintf(u, ", ");
+ }
if (u->operand[2].type != UD_NONE) {
- gen_operand(u, &u->operand[2]);
- mkasm(u, ", ");
+ gen_operand(u, &u->operand[2]);
+ ud_asmprintf(u, ", ");
}
-
if (u->operand[1].type != UD_NONE) {
- gen_operand(u, &u->operand[1]);
- mkasm(u, ", ");
+ gen_operand(u, &u->operand[1]);
+ ud_asmprintf(u, ", ");
+ }
+ if (u->operand[0].type != UD_NONE) {
+ gen_operand(u, &u->operand[0]);
}
-
- if (u->operand[0].type != UD_NONE)
- gen_operand(u, &u->operand[0]);
}
#endif // USE(UDIS86)
+/*
+vim: set ts=2 sw=2 expandtab
+*/
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-23 14:14:13 +0000