This adds tests for the x87 exception pointers.
Signed-off-by: jaume.mar...@gmail.com
---
tests/tcg/test-i386.c | 75 ++++++++++++++++++++++++++++++++++++++++++++++-----
1 file changed, 69 insertions(+), 6 deletions(-)
diff --git a/tests/tcg/test-i386.c b/tests/tcg/test-i386.c
index b05572b..a1851e5 100644
--- a/tests/tcg/test-i386.c
+++ b/tests/tcg/test-i386.c
@@ -2327,12 +2327,22 @@ struct fpxstate {
uint16_t fpus;
uint16_t fptag;
uint16_t fop;
- uint32_t fpuip;
- uint16_t cs_sel;
- uint16_t dummy0;
- uint32_t fpudp;
- uint16_t ds_sel;
- uint16_t dummy1;
+ union {
+ struct {
+ uint32_t fpuip;
+ uint16_t cs_sel;
+ uint16_t dummy0;
+ } mode_non_64_ins;
+ uint64_t mode_64_fpuip;
+ };
+ union {
+ struct {
+ uint32_t fpudp;
+ uint16_t ds_sel;
+ uint16_t dummy1;
+ } mode_non_64_data;
+ uint64_t mode_64_fpudp;
+ };
uint32_t mxcsr;
uint32_t mxcsr_mask;
uint8_t fpregs1[8 * 16];
@@ -2342,6 +2352,7 @@ struct fpxstate {
static struct fpxstate fpx_state __attribute__((aligned(16)));
static struct fpxstate fpx_state2 __attribute__((aligned(16)));
+float fxsave_mem_operand;
void test_fxsave(void)
{
@@ -2362,6 +2373,7 @@ void test_fxsave(void)
" fld1\n"
" fldpi\n"
" fldln2\n"
+ " fmul fxsave_mem_operand\n"
" fxsave %0\n"
" fxrstor %0\n"
" fxsave %1\n"
@@ -2371,6 +2383,20 @@ void test_fxsave(void)
printf("fpuc=%04x\n", fp->fpuc);
printf("fpus=%04x\n", fp->fpus);
printf("fptag=%04x\n", fp->fptag);
+#ifdef CONFIG_TCG_EXCEPTION_POINTERS
+#if defined(__x86_64__)
+ printf("fpuip=%04llx\n", (long long unsigned int) fp->mode_64_fpuip);
+#else
+ printf("fpuip=%04x\n", fp->mode_non_64_ins.fpuip);
+ printf("cs_sel=%04x\n", fp->mode_non_64_ins.cs_sel);
+#endif
+#if defined(__x86_64__)
+ printf("fpudp=%04llx\n", (long long unsigned int) fp->mode_64_fpudp);
+#else
+ printf("fpudp=%04x\n", fp->mode_non_64_data.fpudp);
+ printf("ds_sel=%04x\n", fp->mode_non_64_data.ds_sel);
+#endif
+#endif
for(i = 0; i < 3; i++) {
printf("ST%d: " FMT64X " %04x\n",
i,
@@ -2687,6 +2713,42 @@ void test_sse(void)
printf("%-10s A=" FMTLX " R=" FMTLX ":" FMTLX "\n", #op, a, r, rh); \
}
+struct fnstate {
+ uint16_t fpuc;
+ uint16_t dummy0;
+ uint16_t fpus;
+ uint16_t dummy1;
+ uint16_t fptag;
+ uint16_t dummy2;
+ uint32_t fpuip;
+ uint16_t cs_sel;
+ uint16_t fop;
+ uint32_t fpudp;
+ uint16_t ds_sel;
+};
+
+static struct fnstate fn_state __attribute__((aligned(16)));
+float fnstenv_mem_operand;
+
+void test_fnstenv(void)
+{
+ struct fnstate *fp = &fn_state;
+
+ asm(" fld1\n"
+ " fmul fnstenv_mem_operand\n"
+ " fnstenv %0\n"
+ : "=m" (*(uint32_t *)fp) : );
+ printf("fpuc=%04x\n", fp->fpuc);
+ printf("fpus=%04x\n", fp->fpus);
+ printf("fptag=%04x\n", fp->fptag);
+#ifdef CONFIG_TCG_EXCEPTION_POINTERS
+ printf("fpuip=%04x\n", fp->fpuip);
+ printf("cs_sel=%04x\n", fp->cs_sel);
+ printf("fpudp=%04x\n", fp->fpudp);
+ printf("ds_sel=%04x\n", fp->ds_sel);
+#endif
+}
+
void test_conv(void)
{
TEST_CONV_RAX(cbw);
@@ -2757,6 +2819,7 @@ int main(int argc, char **argv)
#endif
test_enter();
test_conv();
+ test_fnstenv();
#ifdef TEST_SSE
test_sse();
test_fxsave();
--
2.1.0
