[uClinux-dev] Re: [leon_sparc] Help on elf2flt

From: Stanley (stanley@alumni.com)
Date: Wed May 30 2001 - 06:06:37 EDT 

My apology, didn't add this into the earlier mail, 
the kernel got through include/sparcnommu/processor.h: start_thread without showing any helloworld. 

thanks

  ----- Original Message ----- 
  From: Stanley 
  To: leon_sparc@yahoogroups.com ; uclinux-dev@uclinux.org 
  Sent: Wednesday, May 30, 2001 5:50 PM
  Subject: [leon_sparc] Help on elf2flt 


  Hi all, 

  I am working on elf2flt, a elf to flat binary format conversion program. 
  Firstly, i created a simple program that outputs "hello world" to the console, the program works over tsim.
  Next,  I converted the program using elf2flt, 
  Then, linking the flt executable into uClinux, instead of seeing some "hello world" at the console, i got the output over tsim.

  Hope some kind soul can explain what the output really means.

  Maybe there is something wrong with my simple program, is it rightful to extrapolate that a program works over tsim, the same program after conversion should work with uClinux ?

  I have some gut feeling that i need to open ttyS0 in the helloworld program. 

  -------- Output of uClinux for LEON-----
  BINFMT_FLAT: Loading file: 4003eee8
  Free pages: 3784kB
  ( 0*4kB 1*8kB 0*16kB 0*32kB 1*64kB 1*128kB 14*256kB = 3784kB, %0 frag, %0 slack)
  hdr->entry = 64, hdr->data_start = 66099, hdr->data_end = 66099, hdr->bss_end = 66104, hdr->stac
  k_size = 4096
  Stack = 4149, (1)
  BINFMT_FLAT: mmap returned: 403c0018
  Free pages: 3656kB
  BINFMT_FLAT: RAM mapping of file
  ROM mapping is 403c0018, Entry point is 40, data_start is 10233
  start_code: 403c0058, end_code: 403d024b
  start_data: 403d024b, end_data: 403d024b
  Loaded flat file, BSS=403d024b, DATA=403d024b, TEXT=403c0058
  p=403d1281
  putstringarray(1)
  put_string '/bin/init'
  p2=403d1277
  p(filename)=403d1277
  putstringarray(2)
  put_string 'TERM=linux'
  p2=403d126c
  put_string 'HOME=/'
  p2=403d1265
  p(envp)=403d1265
  putstringarray(1)
  put_string 'init'
  p2=403d1260
  p(argv)=403d1260
  p(create_flat_tables)=403d1248
  arg_start = 403d1260
  arg_end = 403d1265
  env_start = 403d1265
  env_end = 403d1277
  start_stack: 403d1248
  Free pages: 3656kB
  ( 0*4kB 1*8kB 0*16kB 0*32kB 1*64kB 0*128kB 14*256kB = 3656kB, %0 frag, %46 slack)

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