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enable SIGILl trapping (signal.c needs to be compiled/linked bythe buildroot compiler for this to work, test files are compiled with the B compiler)

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This commit is contained in:
Romain Dolbeau 2021-02-18 07:54:20 -05:00
parent 71afa57f1d
commit caf494e4b7
3 changed files with 77 additions and 18 deletions
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16
signal.c Normal file
View file

@ -0,0 +1,16 @@
#include <signal.h>
#include <setjmp.h>
jmp_buf jb;
static void sighandler(int x)
{
longjmp(jb, 1);
}
static void (*oldsig)(int);
void installillhandler(void) {
oldsig = signal(SIGILL, sighandler);
}

63
test_b.c
View file

@ -98,12 +98,24 @@ static inline int64_t _rv64_clmul2(int64_t rs1, int64_t rs2)
unsigned int a = 0x01234567;
//#define CHECK_SIGILL
#if defined(CHECK_SIGILL)
#include <setjmp.h>
extern jmp_buf jb;
void installillhandler(void);
#endif // CHECK_SIGILL
int main(int argc, char **argv) {
unsigned int b = 0xdeadbeef;
unsigned int c;
unsigned int d = 0xC0FFEE00;
unsigned int index;
unsigned int index2;
#if defined(CHECK_SIGILL)
installillhandler();
#endif // CHECK_SIGILL
if (argc > 1)
a = strtoul(argv[1], NULL, 16);
@ -112,12 +124,49 @@ int main(int argc, char **argv) {
if (argc > 3)
d = strtoul(argv[3], NULL, 16);
#define T2(X) \
#if !defined(CHECK_SIGILL)
#define T2(X) \
c = X(a,b);printf(#X "(0x%08x, 0x%08x) -> 0x%08x\n", a, b, c)
#define T1(X) \
c = X(a);printf(#X "(0x%08x) -> 0x%08x\n", a, c)
#define T3(X) \
c = X(a,d,b);printf(#X "(0x%08x, 0x%08x, 0x%08x) -> 0x%08x\n", a, d, b, c)
c = X(a,b,d);printf(#X "(0x%08x, 0x%08x, 0x%08x) -> 0x%08x\n", a, b, d, c)
#define T2W(X) \
cq = X(a,b);printf(#X "(0x%08x, 0x%08x) -> 0x%016llx\n", a, b, cq)
#else
#define T2(X) do { \
if (setjmp(jb)) { \
printf(#X "(0x%08x, 0x%08x) -> *SIGILL*\n", a, b); \
} else { \
c = X(a,b); \
printf(#X "(0x%08x, 0x%08x) -> 0x%08x\n", a, b, c); \
} \
} while (0)
#define T1(X) do { \
if (setjmp(jb)) { \
printf(#X "(0x%08x) -> *SIGILL*\n", a); \
} else { \
c = X(a); \
printf(#X "(0x%08x) -> 0x%08x\n", a, c); \
} \
} while (0)
#define T3(X) do { \
if (setjmp(jb)) { \
printf(#X "(0x%08x, 0x%08x, 0x%08x) -> *SIGILL*\n", a, b, d); \
} else { \
c = X(a,b,d); \
printf(#X "(0x%08x, 0x%08x, 0x%08x) -> 0x%08x\n", a, b, d, c); \
} \
} while (0)
#define T2W(X) do { \
if (setjmp(jb)) { \
printf(#X "(0x%08x, 0x%08x) -> *SIGILL*\n", a, b); \
} else { \
cq = X(a,b); \
printf(#X "(0x%08x, 0x%08x) -> 0x%016llx\n", a, b, cq); \
} \
} while (0)
#endif // CHECK_SIGILL
for (index = 0 ; index < 32 ; index++) {
@ -138,9 +187,9 @@ int main(int argc, char **argv) {
T2(_rv_xnor);
T2(_rv_orn);
// T2(_rv32_sh1add);
// T2(_rv32_sh2add);
// T2(_rv32_sh3add);
//T2(_rv32_sh1add);
//T2(_rv32_sh2add);
//T2(_rv32_sh3add);
T2(_rv32_sbset);
T2(_rv32_sbclr);
@ -152,8 +201,8 @@ int main(int argc, char **argv) {
T2(_rv32_max);
T2(_rv32_maxu);
//T2(_rv32_slo);
//T2(_rv32_sro);
T2(_rv32_slo);
T2(_rv32_sro);
//T2(_rv32_xperm_b);

16
test_p.c
View file

@ -785,18 +785,12 @@ GEN_ZUNPKD8(3,2)
unsigned int a = 0x01234567;
#define CHECK_SIGILL
//#define CHECK_SIGILL
#if defined(CHECK_SIGILL)
#include <signal.h>
#include <setjmp.h>
static jmp_buf jb;
static void sighandler(int x)
{
longjmp(jb, 1);
}
extern jmp_buf jb;
void installillhandler(void);
#endif // CHECK_SIGILL
int main(int argc, char **argv) {
@ -806,9 +800,9 @@ int main(int argc, char **argv) {
unsigned int index;
unsigned int index2;
unsigned long long cq = 0;
#if defined(CHECK_SIGILL)
void (*oldsig)(int);
oldsig = signal(SIGILL, sighandler);
installillhandler();
#endif // CHECK_SIGILL
if (argc > 1)