Added support for errorResultBacktrace*. Updated/added error structs.

nx/include/switch/applets/error.h

@@ -16,11 +16,11 @@ typedef struct {
 /// Common header for the start of the arg storage.
 typedef struct {
     u8 type;
-    u8 unk_x1;
+    u8 jumpFlag;         ///< When clear, this indicates WithoutJump.
     u8 unk_x2[3];
     u8 contextFlag;
     u8 resultFlag;       ///< \ref ErrorCommonArg: When clear, errorCode is used, otherwise the applet generates the error-code from res.
-    u8 unk_x7;
+    u8 contextFlag2;     ///< Same as contextFlag except for ErrorCommonArg?
 } ErrorCommonHeader;
 
 /// Error arg data for non-{System/Application}.
@@ -30,6 +30,12 @@ typedef struct {
     Result res;
 } ErrorCommonArg;
 
+/// ResultBacktrace
+typedef struct {
+    s32 count;
+    Result backtrace[0x20];
+} ErrorResultBacktrace;
+
 typedef struct {
     ErrorCommonHeader hdr;
     SetRegion regionCode;
@@ -39,6 +45,12 @@ typedef struct {
     u8 data[0x20000];
 } ErrorEulaData;
 
+typedef struct {
+    ErrorCommonHeader hdr;
+    u64 errorCode;
+    u64 timestamp;                   ///< POSIX timestamp.
+} ErrorRecordArg;
+
 /// SystemErrorArg
 typedef struct {
     ErrorCommonHeader hdr;
@@ -67,6 +79,28 @@ typedef struct {
     ErrorContext ctx;
 } ErrorApplicationConfig;
 
+/**
+ * @brief Creates an ErrorResultBacktrace struct.
+ * @param backtrace \ref ErrorResultBacktrace struct.
+ * @param count Total number of entries.
+ * @param entries Input array of Result.
+ */
+Result errorResultBacktraceCreate(ErrorResultBacktrace* backtrace, s32 count, Result* entries);
+
+/**
+ * @brief Closes an ErrorResultBacktrace struct.
+ * @param backtrace \ref ErrorResultBacktrace struct.
+ */
+void errorResultBacktraceClose(ErrorResultBacktrace* backtrace);
+
+/**
+ * @brief Launches the applet for \ref ErrorResultBacktrace.
+ * @param backtrace ErrorResultBacktrace struct.
+ * @param res Result
+ * @warning This applet creates an error report that is logged in the system. Proceed at your own risk!
+ */
+Result errorResultBacktraceShow(Result res, ErrorResultBacktrace* backtrace);
+
 /**
  * @brief Launches the applet for displaying the EULA.
  * @param RegionCode \ref SetRegion

nx/source/applets/error.c

@@ -76,6 +76,35 @@ static Result _errorShowContext(const void* indata, size_t insize, ErrorContext*
     return _errorShow(indata, insize, ctx_ptr, ctx_size);
 }
 
+// Backtrace
+
+Result errorResultBacktraceCreate(ErrorResultBacktrace* backtrace, s32 count, Result* entries) {
+    if (backtrace==NULL || count < 0 || count > sizeof(backtrace->backtrace)/sizeof(Result))
+        return MAKERESULT(Module_Libnx, LibnxError_BadInput);
+
+    memset(backtrace, 0, sizeof(*backtrace));
+    backtrace->count = count;
+    if (backtrace->count) memcpy(&backtrace->backtrace, entries, count);
+
+    return 0;
+}
+
+void errorResultBacktraceClose(ErrorResultBacktrace* backtrace) {
+    memset(backtrace, 0, sizeof(*backtrace));
+}
+
+Result errorResultBacktraceShow(Result res, ErrorResultBacktrace* backtrace) {
+    ErrorCommonArg arg;
+
+    memset(&arg, 0, sizeof(arg));
+    arg.hdr.type = 0;
+    arg.hdr.jumpFlag = 1;
+    arg.hdr.contextFlag = 1;
+    arg.res = res;
+
+    return _errorShow(&arg, sizeof(arg), backtrace, sizeof(*backtrace));
+}
+
 // Eula
 
 Result errorEulaShow(SetRegion RegionCode) {
@@ -83,7 +112,7 @@ Result errorEulaShow(SetRegion RegionCode) {
 
     memset(&arg, 0, sizeof(arg));
     arg.hdr.type = 3;
-    arg.hdr.unk_x1 = 1;
+    arg.hdr.jumpFlag = 1;
     arg.regionCode = RegionCode;
 
     return _errorShow(&arg, sizeof(arg), NULL, 0);
@@ -97,7 +126,7 @@ Result errorSystemUpdateEulaShow(SetRegion RegionCode, ErrorEulaData* eula) {
 
     memset(&arg, 0, sizeof(arg));
     arg.hdr.type = 8;
-    arg.hdr.unk_x1 = 1;
+    arg.hdr.jumpFlag = 1;
     arg.regionCode = RegionCode;
 
     rc = _errorAppletCreate(&holder, &arg, sizeof(arg), NULL, 0);
@@ -168,7 +197,7 @@ Result errorApplicationCreate(ErrorApplicationConfig* c, const char* dialog_mess
 
     memset(c, 0, sizeof(*c));
     c->arg.hdr.type = 2;
-    c->arg.hdr.unk_x1 = 1;
+    c->arg.hdr.jumpFlag = 1;
 
     strncpy(c->arg.dialogMessage, dialog_message, sizeof(c->arg.dialogMessage)-1);
     if (fullscreen_message) strncpy(c->arg.fullscreenMessage, fullscreen_message, sizeof(c->arg.fullscreenMessage)-1);