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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
commit698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch)
tree173a775858bd501c378080a10dca74132f05bc50 /src/test/auxiliary
parentInitial commit. (diff)
downloadrustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz
rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/auxiliary')
-rw-r--r--src/test/auxiliary/rust_test_helpers.c417
1 files changed, 417 insertions, 0 deletions
diff --git a/src/test/auxiliary/rust_test_helpers.c b/src/test/auxiliary/rust_test_helpers.c
new file mode 100644
index 000000000..92b7dd4b7
--- /dev/null
+++ b/src/test/auxiliary/rust_test_helpers.c
@@ -0,0 +1,417 @@
+// Helper functions used only in tests
+
+#include <stdint.h>
+#include <assert.h>
+#include <stdarg.h>
+
+// These functions are used in the unit tests for C ABI calls.
+
+uint32_t
+rust_dbg_extern_identity_u32(uint32_t u) {
+ return u;
+}
+
+uint64_t
+rust_dbg_extern_identity_u64(uint64_t u) {
+ return u;
+}
+
+double
+rust_dbg_extern_identity_double(double u) {
+ return u;
+}
+
+char
+rust_dbg_extern_identity_u8(char u) {
+ return u;
+}
+
+typedef void *(*dbg_callback)(void*);
+
+void *
+rust_dbg_call(dbg_callback cb, void *data) {
+ return cb(data);
+}
+
+void rust_dbg_do_nothing() { }
+
+struct TwoU8s {
+ uint8_t one;
+ uint8_t two;
+};
+
+struct TwoU8s
+rust_dbg_extern_return_TwoU8s() {
+ struct TwoU8s s;
+ s.one = 10;
+ s.two = 20;
+ return s;
+}
+
+struct TwoU8s
+rust_dbg_extern_identity_TwoU8s(struct TwoU8s u) {
+ return u;
+}
+
+struct TwoU16s {
+ uint16_t one;
+ uint16_t two;
+};
+
+struct TwoU16s
+rust_dbg_extern_return_TwoU16s() {
+ struct TwoU16s s;
+ s.one = 10;
+ s.two = 20;
+ return s;
+}
+
+struct TwoU16s
+rust_dbg_extern_identity_TwoU16s(struct TwoU16s u) {
+ return u;
+}
+
+struct TwoU32s {
+ uint32_t one;
+ uint32_t two;
+};
+
+struct TwoU32s
+rust_dbg_extern_return_TwoU32s() {
+ struct TwoU32s s;
+ s.one = 10;
+ s.two = 20;
+ return s;
+}
+
+struct TwoU32s
+rust_dbg_extern_identity_TwoU32s(struct TwoU32s u) {
+ return u;
+}
+
+struct TwoU64s {
+ uint64_t one;
+ uint64_t two;
+};
+
+struct TwoU64s
+rust_dbg_extern_return_TwoU64s() {
+ struct TwoU64s s;
+ s.one = 10;
+ s.two = 20;
+ return s;
+}
+
+struct TwoU64s
+rust_dbg_extern_identity_TwoU64s(struct TwoU64s u) {
+ return u;
+}
+
+struct TwoDoubles {
+ double one;
+ double two;
+};
+
+struct TwoDoubles
+rust_dbg_extern_identity_TwoDoubles(struct TwoDoubles u) {
+ return u;
+}
+
+struct ManyInts {
+ int8_t arg1;
+ int16_t arg2;
+ int32_t arg3;
+ int16_t arg4;
+ int8_t arg5;
+ struct TwoU8s arg6;
+};
+
+// MSVC doesn't allow empty structs or unions
+#ifndef _MSC_VER
+struct Empty {
+};
+
+void
+rust_dbg_extern_empty_struct(struct ManyInts v1, struct Empty e, struct ManyInts v2) {
+ assert(v1.arg1 == v2.arg1 + 1);
+ assert(v1.arg2 == v2.arg2 + 1);
+ assert(v1.arg3 == v2.arg3 + 1);
+ assert(v1.arg4 == v2.arg4 + 1);
+ assert(v1.arg5 == v2.arg5 + 1);
+ assert(v1.arg6.one == v2.arg6.one + 1);
+ assert(v1.arg6.two == v2.arg6.two + 1);
+}
+#endif
+
+intptr_t
+rust_get_test_int() {
+ return 1;
+}
+
+char *
+rust_get_null_ptr() {
+ return 0;
+}
+
+// Debug helpers strictly to verify ABI conformance.
+
+struct quad {
+ uint64_t a;
+ uint64_t b;
+ uint64_t c;
+ uint64_t d;
+};
+
+struct floats {
+ double a;
+ uint8_t b;
+ double c;
+};
+
+struct char_char_double {
+ uint8_t a;
+ uint8_t b;
+ double c;
+};
+
+struct char_char_float {
+ uint8_t a;
+ uint8_t b;
+ float c;
+};
+
+struct quad
+rust_dbg_abi_1(struct quad q) {
+ struct quad qq = { q.c + 1,
+ q.d - 1,
+ q.a + 1,
+ q.b - 1 };
+ return qq;
+}
+
+struct floats
+rust_dbg_abi_2(struct floats f) {
+ struct floats ff = { f.c + 1.0,
+ 0xff,
+ f.a - 1.0 };
+ return ff;
+}
+
+struct char_char_double
+rust_dbg_abi_3(struct char_char_double a) {
+ struct char_char_double ccd = { a.a + 1,
+ a.b - 1,
+ a.c + 1.0 };
+ return ccd;
+}
+
+struct char_char_float
+rust_dbg_abi_4(struct char_char_float a) {
+ struct char_char_float ccd = { a.a + 1,
+ a.b - 1,
+ a.c + 1.0 };
+ return ccd;
+}
+
+
+int
+rust_dbg_static_mut = 3;
+
+void
+rust_dbg_static_mut_check_four() {
+ assert(rust_dbg_static_mut == 4);
+}
+
+struct S {
+ uint64_t x;
+ uint64_t y;
+ uint64_t z;
+};
+
+uint64_t get_x(struct S s) {
+ return s.x;
+}
+
+uint64_t get_y(struct S s) {
+ return s.y;
+}
+
+uint64_t get_z(struct S s) {
+ return s.z;
+}
+
+uint64_t get_c_many_params(void *a, void *b, void *c, void *d, struct quad f) {
+ return f.c;
+}
+
+struct quad_floats {
+ float a;
+ float b;
+ float c;
+ float d;
+};
+
+float get_c_exhaust_sysv64_ints(
+ void *a,
+ void *b,
+ void *c,
+ void *d,
+ void *e,
+ void *f,
+ // `f` used the last integer register, so `g` goes on the stack.
+ // It also used to bring the "count of available integer registers" down to
+ // `-1` which broke the next SSE-only aggregate argument (`h`) - see #62350.
+ void *g,
+ struct quad_floats h
+) {
+ return h.c;
+}
+
+// Calculates the average of `(x + y) / n` where x: i64, y: f64. There must be exactly n pairs
+// passed as variadic arguments. There are two versions of this function: the
+// variadic one, and the one that takes a `va_list`.
+double rust_valist_interesting_average(uint64_t n, va_list pairs) {
+ double sum = 0.0;
+ int i;
+ for(i = 0; i < n; i += 1) {
+ sum += (double)va_arg(pairs, int64_t);
+ sum += va_arg(pairs, double);
+ }
+ return sum / n;
+}
+
+double rust_interesting_average(uint64_t n, ...) {
+ double sum;
+ va_list pairs;
+ va_start(pairs, n);
+ sum = rust_valist_interesting_average(n, pairs);
+ va_end(pairs);
+ return sum;
+}
+
+int32_t rust_int8_to_int32(int8_t x) {
+ return (int32_t)x;
+}
+
+typedef union LARGE_INTEGER {
+ struct {
+ uint32_t LowPart;
+ uint32_t HighPart;
+ };
+ struct {
+ uint32_t LowPart;
+ uint32_t HighPart;
+ } u;
+ uint64_t QuadPart;
+} LARGE_INTEGER;
+
+LARGE_INTEGER increment_all_parts(LARGE_INTEGER li) {
+ li.LowPart += 1;
+ li.HighPart += 1;
+ li.u.LowPart += 1;
+ li.u.HighPart += 1;
+ li.QuadPart += 1;
+ return li;
+}
+
+#if __SIZEOF_INT128__ == 16
+
+unsigned __int128 identity(unsigned __int128 a) {
+ return a;
+}
+
+__int128 square(__int128 a) {
+ return a * a;
+}
+
+__int128 sub(__int128 a, __int128 b) {
+ return a - b;
+}
+
+#endif
+
+#define OPTION_TAG_NONE (0)
+#define OPTION_TAG_SOME (1)
+
+struct U8TaggedEnumOptionU64 {
+ uint8_t tag;
+ union {
+ uint64_t some;
+ };
+};
+
+struct U8TaggedEnumOptionU64
+rust_dbg_new_some_u64(uint64_t some) {
+ struct U8TaggedEnumOptionU64 r = {
+ .tag = OPTION_TAG_SOME,
+ .some = some,
+ };
+ return r;
+}
+
+struct U8TaggedEnumOptionU64
+rust_dbg_new_none_u64(void) {
+ struct U8TaggedEnumOptionU64 r = {
+ .tag = OPTION_TAG_NONE,
+ };
+ return r;
+}
+
+int32_t
+rust_dbg_unpack_option_u64(struct U8TaggedEnumOptionU64 o, uint64_t *into) {
+ assert(into);
+ switch (o.tag) {
+ case OPTION_TAG_SOME:
+ *into = o.some;
+ return 1;
+ case OPTION_TAG_NONE:
+ return 0;
+ default:
+ assert(0 && "unexpected tag");
+ return 0;
+ }
+}
+
+struct U8TaggedEnumOptionU64U64 {
+ uint8_t tag;
+ union {
+ struct {
+ uint64_t a;
+ uint64_t b;
+ } some;
+ };
+};
+
+struct U8TaggedEnumOptionU64U64
+rust_dbg_new_some_u64u64(uint64_t a, uint64_t b) {
+ struct U8TaggedEnumOptionU64U64 r = {
+ .tag = OPTION_TAG_SOME,
+ .some = { .a = a, .b = b },
+ };
+ return r;
+}
+
+struct U8TaggedEnumOptionU64U64
+rust_dbg_new_none_u64u64(void) {
+ struct U8TaggedEnumOptionU64U64 r = {
+ .tag = OPTION_TAG_NONE,
+ };
+ return r;
+}
+
+int32_t
+rust_dbg_unpack_option_u64u64(struct U8TaggedEnumOptionU64U64 o, uint64_t *a, uint64_t *b) {
+ assert(a);
+ assert(b);
+ switch (o.tag) {
+ case OPTION_TAG_SOME:
+ *a = o.some.a;
+ *b = o.some.b;
+ return 1;
+ case OPTION_TAG_NONE:
+ return 0;
+ default:
+ assert(0 && "unexpected tag");
+ return 0;
+ }
+}