creport: Add skeleton. Doesn't actually generate reports yet.

stratosphere/creport/source/creport_main.cpp

@@ -0,0 +1,102 @@
+#include <cstdlib>
+#include <cstdint>
+#include <cstdio>
+#include <cstring>
+#include <malloc.h>
+
+#include <switch.h>
+
+
+extern "C" {
+    extern u32 __start__;
+
+    u32 __nx_applet_type = AppletType_None;
+
+    #define INNER_HEAP_SIZE 0x100000
+    size_t nx_inner_heap_size = INNER_HEAP_SIZE;
+    char   nx_inner_heap[INNER_HEAP_SIZE];
+    
+    void __libnx_initheap(void);
+    void __appInit(void);
+    void __appExit(void);
+}
+
+
+void __libnx_initheap(void) {
+	void*  addr = nx_inner_heap;
+	size_t size = nx_inner_heap_size;
+
+	/* Newlib */
+	extern char* fake_heap_start;
+	extern char* fake_heap_end;
+
+	fake_heap_start = (char*)addr;
+	fake_heap_end   = (char*)addr + size;
+}
+
+void __appInit(void) {
+    Result rc;
+
+    rc = smInitialize();
+    if (R_FAILED(rc)) {
+        fatalSimple(MAKERESULT(Module_Libnx, LibnxError_InitFail_SM));
+    }
+    
+    rc = fsInitialize();
+    if (R_FAILED(rc)) {
+        fatalSimple(MAKERESULT(Module_Libnx, LibnxError_InitFail_FS));
+    }
+    
+    rc = fsdevMountSdmc();
+    if (R_FAILED(rc)) {
+        fatalSimple(MAKERESULT(Module_Libnx, LibnxError_InitFail_FS));
+    }
+}
+
+void __appExit(void) {
+    /* Cleanup services. */
+    fsdevUnmountAll();
+    fsExit();
+    smExit();
+}
+
+static u64 creport_parse_u64(char *s) {
+    /* Official creport uses this custom parsing logic... */
+    u64 out_val = 0;
+    for (unsigned int i = 0; i < 20 && s[i]; i++) {
+        if ('0' <= s[i] && s[i] <= '9') {
+            out_val *= 10;
+            out_val += (s[i] - '0');
+        } else {
+            break;
+        }
+    }
+    return out_val;
+}
+
+int main(int argc, char **argv) {
+    /* Validate arguments. */
+    if (argc < 2) {
+        return 0;
+    }
+    for (int i = 0; i < argc; i++) {
+        if (argv[i] == NULL) {
+            return 0;
+        }
+    }
+    
+    /* Parse arguments. */
+    u64 crashed_pid = creport_parse_u64(argv[0]);
+    bool has_extra_info = argv[1][0] == '1';
+    
+    /* TODO: Generate report. */
+    (void)(has_extra_info);
+    
+    if (R_SUCCEEDED(nsdevInitialize())) {
+        nsdevTerminateProcess(crashed_pid);
+        nsdevExit();
+    }
+    
+    /* TODO: fatalWithType(<report error>, FatalType_ErrorScreen); */
+    fatalWithType(0, FatalType_ErrorScreen);
+}