debug: use #ifdef guards

[mate.git] / ffi / trap.c

diff --git a/ffi/trap.c b/ffi/trap.c
index 7871757811bf71128f1c29a814002cf3f8bf21f1..21426ffde4bd05a0b26b68df77d262d9b2871982 100644 (file)
--- a/ffi/trap.c
+++ b/ffi/trap.c
@@ -22,16 +22,22 @@
 unsigned int getMethodEntry(unsigned int, unsigned int);
 unsigned int getStaticFieldAddr(unsigned int, void*);
 
+#ifdef DEBUG
+#define dprintf(args...) do { printf (args); } while (0);
+#else
+#define dprintf(args...)
+#endif
+
 #define NEW_MAP(prefix) \
        void* prefix ## _map = NULL; \
        void set_ ## prefix ## map(void *map) \
        { \
-               printf("set_%s: 0x%08x\n", #prefix , (unsigned int) map); \
+               dprintf("set_%s: 0x%08x\n", #prefix , (unsigned int) map); \
                prefix ## _map = map; \
        } \
        void *get_ ## prefix ## map() \
        { \
-               printf("get_%s: 0x%08x\n", #prefix , (unsigned int) prefix ## _map); \
+               dprintf("get_%s: 0x%08x\n", #prefix , (unsigned int) prefix ## _map); \
                return prefix ## _map; \
        }
 
@@ -44,7 +50,7 @@ NEW_MAP(strings)
 
 void mainresult(unsigned int a)
 {
-       printf("mainresult: 0x%08x\n", a);
+       dprintf("mainresult: 0x%08x\n", a);
 }
 
 void callertrap(int nSignal, siginfo_t *info, void *ctx)
@@ -52,19 +58,19 @@ void callertrap(int nSignal, siginfo_t *info, void *ctx)
        mcontext_t *mctx = &((ucontext_t *) ctx)->uc_mcontext;
        unsigned int from = (unsigned int) mctx->gregs[REG_EIP] - 2;
        unsigned int *to_patch = (unsigned int *) (from + 1);
-       printf("callertrap(mctx)  by 0x%08x\n", from);
+       dprintf("callertrap(mctx)  by 0x%08x\n", from);
        if (*to_patch != 0x90ffff90) {
-               printf("callertrap: something is wrong here. abort\n");
+               dprintf("callertrap: something is wrong here. abort\n");
                exit(0);
        }
        unsigned int patchme = getMethodEntry(from, 0);
 
        unsigned char *insn = (unsigned char *) from;
        *insn = 0xe8; // call opcode
-       printf(" to_patch: 0x%08x\n", (unsigned int) to_patch);
-       printf("*to_patch: 0x%08x\n", *to_patch);
+       dprintf(" to_patch: 0x%08x\n", (unsigned int) to_patch);
+       dprintf("*to_patch: 0x%08x\n", *to_patch);
        *to_patch = patchme - (from + 5);
-       printf("*to_patch: 0x%08x\n", *to_patch);
+       dprintf("*to_patch: 0x%08x\n", *to_patch);
        mctx->gregs[REG_EIP] = (unsigned long) insn;
 }
 
@@ -75,7 +81,7 @@ void staticfieldtrap(int nSignal, siginfo_t *info, void *ctx)
        unsigned int from = (unsigned int) mctx->gregs[REG_EIP];
        if (from < 0x10000) { // invokevirtual
                if (from > 0) {
-                       printf("from: 0x%08x but should be 0 :-(\n", from);
+                       dprintf("from: 0x%08x but should be 0 :-(\n", from);
                }
                unsigned int method_table_ptr = (unsigned int) mctx->gregs[REG_EAX];
                unsigned int *esp = (unsigned int *) mctx->gregs[REG_ESP];
@@ -84,25 +90,25 @@ void staticfieldtrap(int nSignal, siginfo_t *info, void *ctx)
                unsigned char offset = *((unsigned char *) (*esp) - 1);
                /* method entry to patch */
                unsigned int *to_patch = (unsigned int*) (method_table_ptr + offset);
-               printf("invokevirtual by 0x%08x with offset 0x%08x\n", from, offset);
-               printf(" to_patch: 0x%08x\n", (unsigned int) to_patch);
-               printf("*to_patch: 0x%08x\n", *to_patch);
+               dprintf("invokevirtual by 0x%08x with offset 0x%08x\n", from, offset);
+               dprintf(" to_patch: 0x%08x\n", (unsigned int) to_patch);
+               dprintf("*to_patch: 0x%08x\n", *to_patch);
                *to_patch = getMethodEntry(from, method_table_ptr);
                mctx->gregs[REG_EIP] = *to_patch;
-               printf("*to_patch: 0x%08x\n", *to_patch);
+               dprintf("*to_patch: 0x%08x\n", *to_patch);
        } else {
        unsigned int *to_patch = (unsigned int *) (from + 2);
-       printf("staticfieldtrap by 0x%08x\n", from);
+       dprintf("staticfieldtrap by 0x%08x\n", from);
        if (*to_patch != 0x00000000) {
-               printf("staticfieldtrap: something is wrong here. abort\n");
+               dprintf("staticfieldtrap: something is wrong here. abort\n");
                exit(0);
        }
        unsigned int patchme = getStaticFieldAddr(from, trap_map);
 
-       printf(" to_patch: 0x%08x\n", (unsigned int) to_patch);
-       printf("*to_patch: 0x%08x\n", *to_patch);
+       dprintf(" to_patch: 0x%08x\n", (unsigned int) to_patch);
+       dprintf("*to_patch: 0x%08x\n", *to_patch);
        *to_patch = patchme;
-       printf("*to_patch: 0x%08x\n", *to_patch);
+       dprintf("*to_patch: 0x%08x\n", *to_patch);
        }
 }