amd64/bareMetalOS-0.5.2/baremetal0.5.2/programs/helloc.c

   1 // Hello World C Test Program (v1.1, September 7 2010)
   2 // Written by Ian Seyler
   3 //
   4 // BareMetal compile:
   5 //
   6 // GCC (Tested with 4.5.0)
   7 // gcc -c -m64 -nostdlib -nostartfiles -nodefaultlibs -fomit-frame-pointer -mno-red-zone -o helloc.o helloc.c
   8 // gcc -c -m64 -nostdlib -nostartfiles -nodefaultlibs -fomit-frame-pointer -mno-red-zone -o libBareMetal.o libBareMetal.c
   9 // objcopy --remove-section .eh_frame --remove-section .rel.eh_frame --remove-section .rela.eh_frame helloc.o
  10 // objcopy --remove-section .eh_frame --remove-section .rel.eh_frame --remove-section .rela.eh_frame libBareMetal.o
  11 // ld -T app.ld -o helloc.app helloc.o libBareMetal.o
  12 //
  13 // Clang (Tested with 2.7)
  14 // clang -c -mno-red-zone -o libBareMetal.o libBareMetal.c
  15 // clang -c -mno-red-zone -o helloc.o helloc.c
  16 // objcopy --remove-section .eh_frame --remove-section .rel.eh_frame --remove-section .rela.eh_frame helloc.o
  17 // objcopy --remove-section .eh_frame --remove-section .rel.eh_frame --remove-section .rela.eh_frame libBareMetal.o
  18 // ld -T app.ld -o helloc.app helloc.o libBareMetal.o
  19
  20
  21 #include "libBareMetal.h"
  22
  23 int main(void)
  24 {
  25         b_print_string("Hello world, from C!\n");
  26         return 0;
  27 }