X-Git-Url: https://git.xonotic.org/?p=xonotic%2Fgmqcc.git;a=blobdiff_plain;f=util.c;h=b1d5c5ba37bc589e89611358fac2fd3c783e727d;hp=e634186bd0b56efcf4c1d4c83abcd41202fe5dfe;hb=3df51c597935aa4b60da7a27883779ff584209e3;hpb=f7e074d88fb8ff2c9722187292341e6a692f3649

diff --git a/util.c b/util.c
index e634186..b1d5c5b 100644
--- a/util.c
+++ b/util.c
@@ -58,7 +58,7 @@ const char *util_instr_str[VINSTR_END] = {
  * only required if big endian .. otherwise no need to swap
  * data.
  */
-#if PLATFORM_BYTE_ORDER == GMQCC_BYTE_ORDER_BIG
+#if PLATFORM_BYTE_ORDER == GMQCC_BYTE_ORDER_BIG || PLATFORM_BYTE_ORDER == -1
     static GMQCC_INLINE void util_swap16(uint16_t *d, size_t l) {
         while (l--) {
             d[l] = (d[l] << 8) | (d[l] >> 8);
@@ -85,8 +85,8 @@ const char *util_instr_str[VINSTR_END] = {
             d[l] = (v << 32) | (v >> 32);
         }
         */
-        l *= 2;
         size_t i;
+        l *= 2;
         for (i = 0; i < l; i += 2) {
             uint32_t v1 = d[i];
             d[i] = d[i+1];
@@ -129,6 +129,64 @@ void util_endianswap(void *_data, size_t count, unsigned int typesize) {
 #endif
 }
 
+void util_swap_header(prog_header_t *code_header) {
+    util_endianswap(&code_header->version,              1, sizeof(code_header->version));
+    util_endianswap(&code_header->crc16,                1, sizeof(code_header->crc16));
+    util_endianswap(&code_header->statements.offset,    1, sizeof(code_header->statements.offset));
+    util_endianswap(&code_header->statements.length,    1, sizeof(code_header->statements.length));
+    util_endianswap(&code_header->defs.offset,          1, sizeof(code_header->defs.offset));
+    util_endianswap(&code_header->defs.length,          1, sizeof(code_header->defs.length));
+    util_endianswap(&code_header->fields.offset,        1, sizeof(code_header->fields.offset));
+    util_endianswap(&code_header->fields.length,        1, sizeof(code_header->fields.length));
+    util_endianswap(&code_header->functions.offset,     1, sizeof(code_header->functions.offset));
+    util_endianswap(&code_header->functions.length,     1, sizeof(code_header->functions.length));
+    util_endianswap(&code_header->strings.offset,       1, sizeof(code_header->strings.offset));
+    util_endianswap(&code_header->strings.length,       1, sizeof(code_header->strings.length));
+    util_endianswap(&code_header->globals.offset,       1, sizeof(code_header->globals.offset));
+    util_endianswap(&code_header->globals.length,       1, sizeof(code_header->globals.length));
+    util_endianswap(&code_header->entfield,             1, sizeof(code_header->entfield));
+}
+
+void util_swap_statements(prog_section_statement_t *statements) {
+    size_t i;
+
+    for (i = 0; i < vec_size(statements); ++i) {
+        util_endianswap(&statements[i].opcode,  1, sizeof(statements[i].opcode));
+        util_endianswap(&statements[i].o1,      1, sizeof(statements[i].o1));
+        util_endianswap(&statements[i].o2,      1, sizeof(statements[i].o2));
+        util_endianswap(&statements[i].o3,      1, sizeof(statements[i].o3));
+    }
+}
+
+void util_swap_defs_fields(prog_section_both_t *section) {
+    size_t i;
+
+    for (i = 0; i < vec_size(section); ++i) {
+        util_endianswap(&section[i].type,   1, sizeof(section[i].type));
+        util_endianswap(&section[i].offset, 1, sizeof(section[i].offset));
+        util_endianswap(&section[i].name,   1, sizeof(section[i].name));
+    }
+}
+
+void util_swap_functions(prog_section_function_t *functions) {
+    size_t i;
+
+    for (i = 0; i < vec_size(functions); ++i) {
+        util_endianswap(&functions[i].entry,        1, sizeof(functions[i].entry));
+        util_endianswap(&functions[i].firstlocal,   1, sizeof(functions[i].firstlocal));
+        util_endianswap(&functions[i].locals,       1, sizeof(functions[i].locals));
+        util_endianswap(&functions[i].profile,      1, sizeof(functions[i].profile));
+        util_endianswap(&functions[i].name,         1, sizeof(functions[i].name));
+        util_endianswap(&functions[i].file,         1, sizeof(functions[i].file));
+        util_endianswap(&functions[i].nargs,        1, sizeof(functions[i].nargs));
+        /* Don't swap argsize[] - it's just a byte array, which Quake uses only as such. */
+    }
+}
+
+void util_swap_globals(int32_t *globals) {
+    util_endianswap(globals, vec_size(globals), sizeof(int32_t));
+}
+
 /*
 * Based On:
 *   Slicing-by-8 algorithms by Michael E.