-/*
- * Copyright (C) 2012, 2013
- * Dale Weiler
- * Wolfgang Bumiller
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy of
- * this software and associated documentation files (the "Software"), to deal in
- * the Software without restriction, including without limitation the rights to
- * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
- * of the Software, and to permit persons to whom the Software is furnished to do
- * so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-#define GMQCC_PLATFORM_HEADER
#include <stdlib.h>
+#include <string.h>
#include "gmqcc.h"
-#include "platform.h"
-/*
- * Initially this was handled with a table in the gmqcc.h header, but
- * much to my surprise the contents of the table was duplicated for
- * each translation unit, causing all these strings to be duplicated
- * for every .c file it was included into. This method culls back on
- * it. This is a 'utility' function because the executor also depends
- * on this for disassembled byte-code.
- */
const char *util_instr_str[VINSTR_END] = {
"DONE", "MUL_F", "MUL_V", "MUL_FV",
"MUL_VF", "DIV_F", "ADD_F", "ADD_V",
* 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);
* so let's go the safe way
*/
static GMQCC_INLINE void util_swap64(uint32_t *d, size_t l) {
- /*
while (l--) {
uint64_t v;
v = ((d[l] << 8) & 0xFF00FF00FF00FF00) | ((d[l] >> 8) & 0x00FF00FF00FF00FF);
v = ((v << 16) & 0xFFFF0000FFFF0000) | ((v >> 16) & 0x0000FFFF0000FFFF);
d[l] = (v << 32) | (v >> 32);
}
- */
- size_t i;
- for (i = 0; i < l; i += 2) {
- uint32_t v1 = d[i];
- d[i] = d[i+1];
- d[i+1] = v1;
- util_swap32(d+i, 2);
- }
}
#endif
-void util_endianswap(void *_data, size_t length, unsigned int typesize) {
+void util_endianswap(void *_data, size_t count, unsigned int typesize) {
# if PLATFORM_BYTE_ORDER == -1 /* runtime check */
if (*((char*)&typesize))
return;
#else
- /* prevent unused warnings */
- (void) _data;
- (void) length;
- (void) typesize;
# if PLATFORM_BYTE_ORDER == GMQCC_BYTE_ORDER_LITTLE
+ /* prevent unused warnings */
+ (void) _data;
+ (void) count;
+ (void) typesize;
return;
# else
switch (typesize) {
case 1: return;
case 2:
- util_swap16((uint16_t*)_data, length>>1);
+ util_swap16((uint16_t*)_data, count);
return;
case 4:
- util_swap32((uint32_t*)_data, length>>2);
+ util_swap32((uint32_t*)_data, count);
return;
case 8:
- util_swap64((uint32_t*)_data, length>>3);
+ util_swap64((uint32_t*)_data, count);
return;
- default: exit(EXIT_FAILURE); /* please blow the fuck up! */
+ default:
+ con_err ("util_endianswap: I don't know how to swap a %u byte structure!\n", typesize);
+ exit(EXIT_FAILURE); /* please blow the fuck up! */
}
# endif
#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(§ion[i].type, 1, sizeof(section[i].type));
+ util_endianswap(§ion[i].offset, 1, sizeof(section[i].offset));
+ util_endianswap(§ion[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.
/* Non - Reflected */
uint16_t util_crc16(uint16_t current, const char *GMQCC_RESTRICT k, size_t len) {
- register uint16_t h = current;
+ uint16_t h = current;
/* don't load twice */
const uint8_t *GMQCC_RESTRICT data = (const uint8_t *GMQCC_RESTRICT)k;
return util_strtransform(in, out, outsz, "_ ", 'a'-'A');
}
+static int util_vasprintf(char **dat, const char *fmt, va_list args) {
+ int ret;
+ int len;
+ char *tmp = NULL;
+ char buf[128];
+ va_list cpy;
+
+ va_copy(cpy, args);
+ len = vsnprintf(buf, sizeof(buf), fmt, cpy);
+ va_end (cpy);
+
+ if (len < 0)
+ return len;
+
+ if (len < (int)sizeof(buf)) {
+ *dat = util_strdup(buf);
+ return len;
+ }
+
+ tmp = (char*)mem_a(len + 1);
+ if ((ret = vsnprintf(tmp, len + 1, fmt, args)) != len) {
+ mem_d(tmp);
+ *dat = NULL;
+ return -1;
+ }
+
+ *dat = tmp;
+ return len;
+}
+
int util_snprintf(char *str, size_t size, const char *fmt, ...) {
va_list arg;
- int ret;
-
+ int ret;
va_start(arg, fmt);
- ret = platform_vsnprintf(str, size, fmt, arg);
+ ret = vsnprintf(str, size, fmt, arg);
va_end(arg);
-
return ret;
}
int util_asprintf(char **ret, const char *fmt, ...) {
va_list args;
- int read;
-
+ int read;
va_start(args, fmt);
- read = platform_vasprintf(ret, fmt, args);
- va_end (args);
-
+ read = util_vasprintf(ret, fmt, args);
+ va_end(args);
return read;
}
int util_sscanf(const char *str, const char *format, ...) {
va_list args;
- int read;
-
+ int read;
va_start(args, format);
- read = platform_vsscanf(str, format, args);
+ read = vsscanf(str, format, args);
va_end(args);
-
return read;
}
char *util_strncpy(char *dest, const char *src, size_t n) {
- return platform_strncpy(dest, src, n);
+ return strncpy(dest, src, n);
}
+
char *util_strncat(char *dest, const char *src, size_t n) {
- return platform_strncat(dest, src, n);
+ return strncat(dest, src, n);
}
+
char *util_strcat(char *dest, const char *src) {
- return platform_strcat(dest, src);
+ return strcat(dest, src);
}
+
const char *util_strerror(int err) {
- return platform_strerror(err);
+ return strerror(err);
}
const struct tm *util_localtime(const time_t *timer) {
- return platform_localtime(timer);
+ return localtime(timer);
}
+
const char *util_ctime(const time_t *timer) {
- return platform_ctime(timer);
+ return ctime(timer);
}
-bool util_isatty(fs_file_t *file) {
- if (file == (fs_file_t*)stdout) return !!platform_isatty(STDOUT_FILENO);
- if (file == (fs_file_t*)stderr) return !!platform_isatty(STDERR_FILENO);
+int util_getline(char **lineptr, size_t *n, FILE *stream) {
+ int chr;
+ int ret;
+ char *pos;
+
+ if (!lineptr || !n || !stream)
+ return -1;
+ if (!*lineptr) {
+ if (!(*lineptr = (char*)mem_a((*n=64))))
+ return -1;
+ }
+
+ chr = *n;
+ pos = *lineptr;
+
+ for (;;) {
+ int c = getc(stream);
+
+ if (chr < 2) {
+ *n += (*n > 16) ? *n : 64;
+ chr = *n + *lineptr - pos;
+ if (!(*lineptr = (char*)mem_r(*lineptr,*n)))
+ return -1;
+ pos = *n - chr + *lineptr;
+ }
+
+ if (ferror(stream))
+ return -1;
+ if (c == EOF) {
+ if (pos == *lineptr)
+ return -1;
+ else
+ break;
+ }
+
+ *pos++ = c;
+ chr--;
+ if (c == '\n')
+ break;
+ }
+ *pos = '\0';
+ return (ret = pos - *lineptr);
+}
+
+#ifndef _WIN32
+#include <unistd.h>
+bool util_isatty(FILE *file) {
+ if (file == stdout) return !!isatty(STDOUT_FILENO);
+ if (file == stderr) return !!isatty(STDERR_FILENO);
return false;
}
+#else
+bool util_isatty(FILE *file) {
+ return false;
+}
+#endif
+
/*
* A small noncryptographic PRNG based on:
* http://burtleburtle.net/bob/rand/smallprng.html
(void)util_rand();
}
+size_t hash(const char *string) {
+ size_t hash = 0;
+ for(; *string; ++string) {
+ hash += *string;
+ hash += (hash << 10);
+ hash ^= (hash >> 6);
+ }
+ hash += hash << 3;
+ hash ^= hash >> 11;
+ hash += hash << 15;
+ return hash;
+}
+
projects / xonotic / gmqcc.git / blobdiff