Merge commit '802798ce3c8baa4697120580f87bc1ee377306d3' as 'external/capstone'

2026-05-11 11:55:07 +02:00
parent ef8e742694 802798ce3c
commit c0de07465b
3968 changed files with 2967598 additions and 0 deletions
@@ -0,0 +1,114 @@
+// the following must precede stdio (woo, thanks msft)
+#if defined(_MSC_VER) && _MSC_VER < 1900
+#define _CRT_SECURE_NO_WARNINGS
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <inttypes.h>
+
+#include <capstone/capstone.h>
+
+#include "platform.h"
+
+int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
+
+static FILE *outfile = NULL;
+
+int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size)
+{
+	csh handle;
+	cs_insn *all_insn;
+	cs_detail *detail;
+	cs_err err;
+	unsigned int i;
+
+	if (Size < 1) {
+		// 1 byte for arch choice
+		return 0;
+	} else if (Size > 0x1000) {
+		//limit input to 4kb
+		Size = 0x1000;
+	}
+
+	if (outfile == NULL) {
+		// we compute the output
+		outfile = fopen("/dev/null", "w");
+		if (outfile == NULL) {
+			return 0;
+		}
+	}
+
+	i = get_platform_entry((uint8_t)Data[0]);
+
+	err = cs_open(platforms[i].arch, platforms[i].mode, &handle);
+	if (err) {
+		return 0;
+	}
+
+	cs_option(handle, CS_OPT_DETAIL, CS_OPT_ON);
+	if (Data[0] & 0x80) {
+		//hack
+		cs_option(handle, CS_OPT_SYNTAX, CS_OPT_SYNTAX_ATT);
+	}
+
+	uint64_t address = 0x1000;
+	size_t count =
+		cs_disasm(handle, Data + 1, Size - 1, address, 0, &all_insn);
+
+	if (count) {
+		size_t j;
+		unsigned int n;
+
+		for (j = 0; j < count; j++) {
+			cs_insn *insn = &(all_insn[j]);
+			fprintf(outfile,
+				"0x%" PRIx64
+				":\t%s\t\t%s // insn-ID: %u, insn-mnem: %s\n",
+				insn->address, insn->mnemonic, insn->op_str,
+				insn->id, cs_insn_name(handle, insn->id));
+
+			detail = insn->detail;
+
+			if (detail->regs_read_count > 0) {
+				fprintf(outfile, "\tImplicit registers read: ");
+				for (n = 0; n < detail->regs_read_count; n++) {
+					fprintf(outfile, "%s ",
+						cs_reg_name(
+							handle,
+							detail->regs_read[n]));
+				}
+			}
+
+			if (detail->regs_write_count > 0) {
+				fprintf(outfile,
+					"\tImplicit registers modified: ");
+				for (n = 0; n < detail->regs_write_count; n++) {
+					fprintf(outfile, "%s ",
+						cs_reg_name(
+							handle,
+							detail->regs_write[n]));
+				}
+			}
+
+			if (detail->groups_count > 0) {
+				fprintf(outfile,
+					"\tThis instruction belongs to groups: ");
+				for (n = 0; n < detail->groups_count; n++) {
+					fprintf(outfile, "%s ",
+						cs_group_name(
+							handle,
+							detail->groups[n]));
+				}
+			}
+		}
+
+		fprintf(outfile, "0x%" PRIx64 ":\n",
+			all_insn[j - 1].address + all_insn[j - 1].size);
+		cs_free(all_insn, count);
+	}
+
+	cs_close(&handle);
+
+	return 0;
+}