llvm-gcc

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#1

Hi ,

I want to create a bc file by llvm-gcc, and need to pass a input file when create this file,
how can i do it?I saw options in "llvm-gcc [options] filename" but it could not help me.

I have an another problem too. my program contains some C file , that main function use those, but i don’t know how create bc file with regard to other file.

tanks,

#2

Hi ,

I want to create a bc file by llvm-gcc, and need to pass a input file when create this file,
how can i do it?I saw options in "llvm-gcc [options] filename" but it could not help me.

llvm-gcc -emit-llvm -c foo.c -o foo.bc

I have an another problem too. my program contains some C file , that main function use those, but i don’t know how create bc file with regard to other file.

llvm-gcc -emit-llvm -c main.c foo.c -combine -o main.bc

Do you mean this?

#3

Tanks for reply :slight_smile:

llvm-gcc -emit-llvm -c foo.c -o foo.bc

I want to pass a input file to foo.c that contains a picture. how can do it?

#4

I want to pass a input file to foo.c that contains a picture. how can do it?

llvm-gcc -emit-llvm -c foo.c -o foo.bc

#5

I think you would want to do this with objcopy... something like :

  objcopy -I binary -O elf32-i386 -B i386 yourimage.jpg yourimage.o

Where the -O and -B options are set correctly for your architecture. That will create an object file containing the image data and will define the symbols:
  _binary_yourimage_jpg_start
  _binary_yourimage_jpg_end
  _binary_yourimage_jpg_size

You should then be able to pass the .o file in along with your C file and reference it using the above symbols defined as externs of the proper type.

-Gordon Keiser
Arxan Technologies