~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

TOMOYO Linux Cross Reference
Linux/scripts/mk_elfconfig.c

Version: ~ [ linux-5.11-rc3 ] ~ [ linux-5.10.7 ] ~ [ linux-5.9.16 ] ~ [ linux-5.8.18 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.89 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.167 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.215 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.251 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.251 ] ~ [ linux-4.3.6 ] ~ [ linux-4.2.8 ] ~ [ linux-4.1.52 ] ~ [ linux-4.0.9 ] ~ [ linux-3.19.8 ] ~ [ linux-3.18.140 ] ~ [ linux-3.17.8 ] ~ [ linux-3.16.85 ] ~ [ linux-3.15.10 ] ~ [ linux-3.14.79 ] ~ [ linux-3.13.11 ] ~ [ linux-3.12.74 ] ~ [ linux-3.11.10 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.5 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

  1 #include <stdio.h>
  2 #include <stdlib.h>
  3 #include <string.h>
  4 #include <elf.h>
  5 
  6 int
  7 main(int argc, char **argv)
  8 {
  9         unsigned char ei[EI_NIDENT];    
 10         union { short s; char c[2]; } endian_test;
 11 
 12         if (argc != 2) {
 13                 fprintf(stderr, "Error: no arch\n");
 14         }
 15         if (fread(ei, 1, EI_NIDENT, stdin) != EI_NIDENT) {
 16                 fprintf(stderr, "Error: input truncated\n");
 17                 return 1;
 18         }
 19         if (memcmp(ei, ELFMAG, SELFMAG) != 0) {
 20                 fprintf(stderr, "Error: not ELF\n");
 21                 return 1;
 22         }
 23         switch (ei[EI_CLASS]) {
 24         case ELFCLASS32:
 25                 printf("#define KERNEL_ELFCLASS ELFCLASS32\n");
 26                 break;
 27         case ELFCLASS64:
 28                 printf("#define KERNEL_ELFCLASS ELFCLASS64\n");
 29                 break;
 30         default:
 31                 abort();
 32         }
 33         switch (ei[EI_DATA]) {
 34         case ELFDATA2LSB:
 35                 printf("#define KERNEL_ELFDATA ELFDATA2LSB\n");
 36                 break;
 37         case ELFDATA2MSB:
 38                 printf("#define KERNEL_ELFDATA ELFDATA2MSB\n");
 39                 break;
 40         default:
 41                 abort();
 42         }
 43 
 44         if (sizeof(unsigned long) == 4) {
 45                 printf("#define HOST_ELFCLASS ELFCLASS32\n");
 46         } else if (sizeof(unsigned long) == 8) {
 47                 printf("#define HOST_ELFCLASS ELFCLASS64\n");
 48         }
 49 
 50         endian_test.s = 0x0102;
 51         if (memcmp(endian_test.c, "\x01\x02", 2) == 0)
 52                 printf("#define HOST_ELFDATA ELFDATA2MSB\n");
 53         else if (memcmp(endian_test.c, "\x02\x01", 2) == 0)
 54                 printf("#define HOST_ELFDATA ELFDATA2LSB\n");
 55         else
 56                 abort();
 57 
 58         if (strcmp(argv[1], "v850") == 0)
 59                 printf("#define MODULE_SYMBOL_PREFIX \"_\"\n");
 60         else 
 61                 printf("#define MODULE_SYMBOL_PREFIX \"\"\n");
 62 
 63         return 0;
 64 }
 65 
 66 

~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

kernel.org | git.kernel.org | LWN.net | Project Home | Wiki (Japanese) | Wiki (English) | SVN repository | Mail admin

Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.

osdn.jp