add instr, manifest, dev_variant

manifest_src/generate_dev_variant.c

@@ -0,0 +1,56 @@
+#include "mem.h"
+#include "mem_seg.h"
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#define STR(name) XSTR(name)
+#define XSTR(name) #name
+
+#ifndef ARCH
+#pragma message "ARCH not set, using empty"
+#define ARCH asdf
+#endif
+
+
+#define __ARCH STR(ARCH)
+
+int main(int argc, char** argv)
+{
+    if(argc != 2)
+    {
+        printf("provide target directory\n");
+        return 1;
+    }
+
+    const char *dirpath = argv[1];
+    const char *filename = "dev_variant";
+
+    char *tgtpath = (char*)calloc(strlen(dirpath) + strlen(filename) + 2, sizeof(char));
+    if(tgtpath == NULL)
+    {
+        return 1;
+    }
+
+    sprintf(tgtpath, "%s/%s", dirpath, filename);
+    tgtpath[strlen(dirpath) + strlen(filename) + 1] = 0;
+
+    FILE *fptr;
+
+    fptr = fopen(tgtpath, "w");
+
+    if(fptr == NULL)
+    {
+        printf("errof opening file\n");
+        return 1;
+    }
+
+    char* dev_variant = STR(ARCH);
+    fprintf(fptr, "%s", dev_variant);
+
+    
+    fclose(fptr);
+    free(tgtpath);
+    return 0;
+}