All kinds of stuff

Signed-off-by: Mattias Andrée <maandree@kth.se>

7 files changed, 411 insertions, 1 deletions

diff --git a/testutil/get-integer-alignment.c b/testutil/get-integer-alignment.c
index 6c91824..7d0fcc3 100644
--- a/testutil/get-integer-alignment.c
+++ b/testutil/get-integer-alignment.c
@@ -15,7 +15,7 @@ int
 main(int argc, char **argv)
 {
 	int os, arch, width;
-	unsigned alignment = -1;
+	unsigned alignment = 0;
 	enum libsyscalls_error err;
 
 	if (argc != 6) {
diff --git a/testutil/make-signed.c b/testutil/make-signed.c
new file mode 100644
index 0000000..7cd0134
--- /dev/null
+++ b/testutil/make-signed.c
@@ -0,0 +1,56 @@
+/* See LICENSE file for copyright and license details. */
+#include "../libsyscalls.h"
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#if defined(__clang__)
+# pragma clang diagnostic ignored "-Wunsafe-buffer-usage" /* clang is just being silly */
+#endif
+
+
+int
+main(int argc, char **argv)
+{
+	int sign, neg = -1;
+	size_t bits;
+	const char *xval;
+	enum libsyscalls_error err;
+	unsigned long long int value;
+	char *end;
+
+	if (argc != 4) {
+	usage:
+		fprintf(stderr, "usage error\n");
+		return 1;
+	}
+
+	sign = atoi(argv[1]);
+	bits = (unsigned long long int)atoll(argv[2]);
+	xval = argv[3];
+	neg = *xval == '-';
+	xval = &xval[neg];
+	errno = 0;
+	value = strtoull(xval, &end, 16);
+	if (errno || *end)
+		goto usage;
+
+	err = libsyscalls_make_signed_integer(value, neg, (enum libsyscalls_datatype_sign_representation)sign, bits, &value);
+	if (err == LIBSYSCALLS_E_INVAL) {
+		printf("inval\n");
+		goto out;
+	} else if (err) {
+		libsyscalls_perror(NULL, err);
+		return 1;
+	}
+	printf("%0*llX\n", (int)strlen(xval), value);
+
+out:
+	if (fflush(stdout) || fclose(stdout)) {
+		perror(NULL);
+		return 1;
+	}
+	return 0;
+}
diff --git a/testutil/parse-signed.c b/testutil/parse-signed.c
new file mode 100644
index 0000000..0fea405
--- /dev/null
+++ b/testutil/parse-signed.c
@@ -0,0 +1,56 @@
+/* See LICENSE file for copyright and license details. */
+#include "../libsyscalls.h"
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#if defined(__clang__)
+# pragma clang diagnostic ignored "-Wunsafe-buffer-usage" /* clang is just being silly */
+#endif
+
+
+int
+main(int argc, char **argv)
+{
+	int sign, neg = -1;
+	size_t bits;
+	const char *xval;
+	enum libsyscalls_error err;
+	unsigned long long int value;
+	char *end;
+
+	if (argc != 4) {
+	usage:
+		fprintf(stderr, "usage error\n");
+		return 1;
+	}
+
+	sign = atoi(argv[1]);
+	bits = (unsigned long long int)atoll(argv[2]);
+	xval = argv[3];
+	errno = 0;
+	value = strtoull(xval, &end, 16);
+	if (errno || *end)
+		goto usage;
+
+	err = libsyscalls_parse_signed_integer(value, (enum libsyscalls_datatype_sign_representation)sign, bits, &value, &neg);
+	if (err == LIBSYSCALLS_E_INVAL) {
+		printf("inval\n");
+		goto out;
+	} else if (err) {
+		libsyscalls_perror(NULL, err);
+		return 1;
+	}
+	if (neg != 0 && neg != 1)
+		abort();
+	printf("%.*s%0*llX\n", neg, "-", (int)strlen(xval), value);
+
+out:
+	if (fflush(stdout) || fclose(stdout)) {
+		perror(NULL);
+		return 1;
+	}
+	return 0;
+}
diff --git a/testutil/section-value.c b/testutil/section-value.c
new file mode 100644
index 0000000..b4c0304
--- /dev/null
+++ b/testutil/section-value.c
@@ -0,0 +1,52 @@
+/* See LICENSE file for copyright and license details. */
+#include "../libsyscalls.h"
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#if defined(__clang__)
+# pragma clang diagnostic ignored "-Wunsafe-buffer-usage" /* clang is just being silly */
+#endif
+
+
+int
+main(int argc, char **argv)
+{
+	enum libsyscalls_datatype_section section;
+	unsigned long long int value;
+	size_t bits;
+	char *end;
+	enum libsyscalls_error err;
+
+	if (argc != 4) {
+	usage:
+		fprintf(stderr, "usage error\n");
+		return 1;
+	}
+
+	section = (enum libsyscalls_datatype_section)atoi(argv[1]);
+	errno = 0;
+	value = strtoull(argv[2], &end, 16);
+	if (errno || *end)
+		goto usage;
+	bits = (size_t)atol(argv[3]);
+
+	err = libsyscalls_section_value(value, bits, section, &value);
+	if (err == LIBSYSCALLS_E_INVAL) {
+		printf("inval\n");
+		goto out;
+	} else if (err) {
+		libsyscalls_perror(NULL, err);
+		return 1;
+	}
+
+	printf("%llX\n", value);
+
+out:
+	if (fflush(stdout) || fclose(stdout)) {
+		perror(NULL);
+		return 1;
+	}
+	return 0;
+}
diff --git a/testutil/to-tracee-endian.c b/testutil/to-tracee-endian.c
new file mode 100644
index 0000000..4346883
--- /dev/null
+++ b/testutil/to-tracee-endian.c
@@ -0,0 +1,111 @@
+/* See LICENSE file for copyright and license details. */
+#include "../libsyscalls.h"
+
+#include <errno.h>
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#if defined(__clang__)
+# pragma clang diagnostic ignored "-Wunsafe-buffer-usage" /* clang is just being silly */
+#endif
+
+
+static void
+make_hex(char *out, const char *in, size_t n)
+{
+	for (; n--; in++) {
+		*out++ = "0123456789ABCDEF"[((unsigned)*in >> 4) & 0xFU];
+		*out++ = "0123456789ABCDEF"[((unsigned)*in >> 0) & 0xFU];
+	}
+	*out = '\0';
+}
+
+
+int
+main(int argc, char **argv)
+{
+	struct libsyscalls_datatype_description type;
+	char *data, *end, *text0, *text1;
+	size_t dataoff, i, datasize;
+	unsigned long long int value;
+	enum libsyscalls_error err;
+
+	_Static_assert(CHAR_BIT, "We only support 8-bit char at the moment in testutil/to-tracee-endian.c");
+
+	if (argc < 5) {
+	usage:
+		fprintf(stderr, "usage error\n");
+		return 1;
+	}
+
+#if defined(__GNUC__)
+# pragma GCC diagnostic push
+# pragma GCC diagnostic ignored "-Wconversion"
+#endif
+
+	errno = 0;
+	value = strtoull(argv[1], &end, 16);
+	if (errno || *end)
+		goto usage;
+	dataoff = (size_t)atol(argv[2]);
+	type.width_in_bits = (unsigned short int)atoi(argv[3]);
+	argv = &argv[4];
+	i = 0;
+	for (; argv[i] && i < sizeof(type.byteorder) / sizeof(*type.byteorder); i++)
+		type.byteorder[i] = (unsigned)atoi(argv[i]);
+	if (argv[i])
+		goto usage;
+	for (; i < sizeof(type.byteorder) / sizeof(*type.byteorder); i++) {
+		type.byteorder[i] = 0U;
+		type.byteorder[i] = ~type.byteorder[i];
+	}
+
+#if defined(__clang__)
+# pragma GCC diagnostic pop
+#endif
+
+	datasize = ((size_t)type.width_in_bits + dataoff + 7UL) / 8UL;
+	data = malloc(datasize);
+	text0 = malloc(datasize * 2UL + 1UL);
+	text1 = malloc(datasize * 2UL + 1UL);
+
+	memset(data, 0, datasize);
+	err = libsyscalls_to_tracee_endian(value, &type, data, dataoff);
+	if (err == LIBSYSCALLS_E_INVAL) {
+		printf("inval\n");
+		free(data);
+		goto out;
+	} else if (err) {
+		libsyscalls_perror(NULL, err);
+		return 1;
+	}
+	make_hex(text0, data, datasize);
+
+	memset(data, ~0, datasize);
+	err = libsyscalls_to_tracee_endian(value, &type, data, dataoff);
+	if (err == LIBSYSCALLS_E_INVAL) {
+		printf("inval\n");
+		free(data);
+		goto out;
+	} else if (err) {
+		libsyscalls_perror(NULL, err);
+		return 1;
+	}
+	make_hex(text1, data, datasize);
+
+	free(data);
+
+	printf("%s %s\n", text0, text1);
+
+	free(text0);
+	free(text1);
+
+out:
+	if (fflush(stdout) || fclose(stdout)) {
+		perror(NULL);
+		return 1;
+	}
+	return 0;
+}
diff --git a/testutil/to-tracer-endian.c b/testutil/to-tracer-endian.c
new file mode 100644
index 0000000..53cb380
--- /dev/null
+++ b/testutil/to-tracer-endian.c
@@ -0,0 +1,83 @@
+/* See LICENSE file for copyright and license details. */
+#include "../libsyscalls.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#if defined(__clang__)
+# pragma clang diagnostic ignored "-Wunsafe-buffer-usage" /* clang is just being silly */
+#endif
+
+
+int
+main(int argc, char **argv)
+{
+	struct libsyscalls_datatype_description type;
+	const char *text;
+	char *data;
+	size_t dataoff, i;
+	unsigned long long int value;
+	unsigned char high, low;
+	enum libsyscalls_error err;
+
+	_Static_assert(CHAR_BIT, "We only support 8-bit char at the moment in testutil/to-tracer-endian.c");
+
+	if (argc < 5) {
+	usage:
+		fprintf(stderr, "usage error\n");
+		return 1;
+	}
+
+#if defined(__GNUC__)
+# pragma GCC diagnostic push
+# pragma GCC diagnostic ignored "-Wconversion"
+#endif
+
+	text = argv[1];
+	dataoff = (size_t)atol(argv[2]);
+	type.width_in_bits = (unsigned short int)atoi(argv[3]);
+	argv = &argv[4];
+	i = 0;
+	for (; argv[i] && i < sizeof(type.byteorder) / sizeof(*type.byteorder); i++)
+		type.byteorder[i] = (unsigned)atoi(argv[i]);
+	if (argv[i])
+		goto usage;
+	for (; i < sizeof(type.byteorder) / sizeof(*type.byteorder); i++) {
+		type.byteorder[i] = 0U;
+		type.byteorder[i] = ~type.byteorder[i];
+	}
+
+#if defined(__clang__)
+# pragma GCC diagnostic pop
+#endif
+
+	if (strlen(text) & 1 || !strlen(text))
+		goto usage;
+	data = malloc(strlen(text) / 2);
+	for (i = 0; *text; i++) {
+		high = (unsigned char)*text++;
+		low  = (unsigned char)*text++;
+		high = (unsigned char)((high & 15U) + (high > '9' ? 9U : 0U));
+		low  = (unsigned char)((low  & 15U) + (low  > '9' ? 9U : 0U));
+		data[i] = (char)((high << 4) | low);
+	}
+
+	err = libsyscalls_to_tracer_endian(data, dataoff, &type, &value);
+	free(data);
+	if (err == LIBSYSCALLS_E_INVAL) {
+		printf("inval\n");
+		goto out;
+	} else if (err) {
+		libsyscalls_perror(NULL, err);
+		return 1;
+	}
+	printf("%llX\n", value);
+
+out:
+	if (fflush(stdout) || fclose(stdout)) {
+		perror(NULL);
+		return 1;
+	}
+	return 0;
+}
diff --git a/testutil/unsection-value.c b/testutil/unsection-value.c
new file mode 100644
index 0000000..9c85b3b
--- /dev/null
+++ b/testutil/unsection-value.c
@@ -0,0 +1,52 @@
+/* See LICENSE file for copyright and license details. */
+#include "../libsyscalls.h"
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#if defined(__clang__)
+# pragma clang diagnostic ignored "-Wunsafe-buffer-usage" /* clang is just being silly */
+#endif
+
+
+int
+main(int argc, char **argv)
+{
+	enum libsyscalls_datatype_section section;
+	unsigned long long int value;
+	size_t bits;
+	char *end;
+	enum libsyscalls_error err;
+
+	if (argc != 4) {
+	usage:
+		fprintf(stderr, "usage error\n");
+		return 1;
+	}
+
+	section = (enum libsyscalls_datatype_section)atoi(argv[1]);
+	errno = 0;
+	value = strtoull(argv[2], &end, 16);
+	if (errno || *end)
+		goto usage;
+	bits = (size_t)atol(argv[3]);
+
+	err = libsyscalls_unsection_value(value, bits, section, &value);
+	if (err == LIBSYSCALLS_E_INVAL) {
+		printf("inval\n");
+		goto out;
+	} else if (err) {
+		libsyscalls_perror(NULL, err);
+		return 1;
+	}
+
+	printf("%llX\n", value);
+
+out:
+	if (fflush(stdout) || fclose(stdout)) {
+		perror(NULL);
+		return 1;
+	}
+	return 0;
+}