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https://github.com/oliverschmidt/contiki.git
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added parameter to relocate method
+ renamed write_text() to write_rom() + added parameter to write_rom()
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fros4943
parent
ea0e2c0f7d
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060225a97a
@ -28,7 +28,7 @@
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*
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* This file is part of the Contiki operating system.
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*
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* @(#)$Id: elfloader-arch.h,v 1.2 2006/12/18 12:11:15 adamdunkels Exp $
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* @(#)$Id: elfloader-arch.h,v 1.3 2006/12/18 14:54:04 fros4943 Exp $
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*/
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/**
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* \addtogroup elfloader
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@ -101,6 +101,7 @@ void *elfloader_arch_allocate_rom(int size);
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* \brief Perform a relocation.
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* \param fd The file descriptor for the ELF file.
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* \param sectionoffset The file offset at which the relocation can be found.
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* \param sectionaddr The section start address (absolute runtime).
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* \param rela A pointer to an ELF32 rela structure (struct elf32_rela).
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* \param addr The relocated address.
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*
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@ -116,11 +117,13 @@ void *elfloader_arch_allocate_rom(int size);
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* processor.
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*/
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void elfloader_arch_relocate(int fd, unsigned int sectionoffset,
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struct elf32_rela *rela, char *addr);
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char *sectionaddr,
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struct elf32_rela *rela, char *addr);
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/**
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* \brief Write the program code (text segment) into program memory.
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* \brief Write to read-only memory (for example the text segment).
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* \param fd The file descriptor for the ELF file.
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* \param textoff Offset of text segment relative start of file.
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* \param size The size of the text segment.
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* \param mem A pointer to the where the text segment should be flashed
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*
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@ -129,7 +132,7 @@ void elfloader_arch_relocate(int fd, unsigned int sectionoffset,
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* module into memory. The function is called when all
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* relocations have been performed.
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*/
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void elfloader_arch_write_text(int fd, unsigned int size, char *mem);
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void elfloader_arch_write_rom(int fd, unsigned short textoff, unsigned int size, char *mem);
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#endif /* __ELFLOADER_ARCH_H__ */
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@ -28,7 +28,7 @@
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*
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* This file is part of the Contiki operating system.
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*
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* @(#)$Id: elfloader-avr.c,v 1.2 2006/09/01 07:10:01 adamdunkels Exp $
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* @(#)$Id: elfloader-avr.c,v 1.3 2006/12/18 14:54:04 fros4943 Exp $
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*/
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#include "elfloader-arch.h"
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@ -76,7 +76,7 @@ elfloader_arch_allocate_rom(int size)
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/*---------------------------------------------------------------------------*/
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#define READSIZE 32
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void
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elfloader_arch_write_text(int fd, unsigned int size, char *mem)
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elfloader_arch_write_rom(int fd, unsigned short textoff, unsigned int size, char *mem)
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{
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#if 0
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int i;
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@ -87,6 +87,7 @@ elfloader_arch_write_text(int fd, unsigned int size, char *mem)
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flashptr = (unsigned short *)elfloader_arch_textmemory;
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cfs_seek(fd, textoff);
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for(ptr = 0; ptr < size; ptr += READSIZE) {
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/* Read data from file into RAM. */
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@ -122,6 +123,7 @@ write_ldi(int fd, unsigned char *instr, unsigned char byte)
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/*---------------------------------------------------------------------------*/
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void
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elfloader_arch_relocate(int fd, unsigned int sectionoffset,
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char *sectionaddr,
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struct elf32_rela *rela, char *addr)
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{
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unsigned int type;
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@ -28,7 +28,7 @@
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*
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* This file is part of the Contiki operating system.
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*
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* @(#)$Id: elfloader-msp430.c,v 1.1 2006/06/17 22:41:18 adamdunkels Exp $
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* @(#)$Id: elfloader-msp430.c,v 1.2 2006/12/18 14:54:04 fros4943 Exp $
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*/
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#include "elfloader-arch.h"
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@ -54,7 +54,7 @@ elfloader_arch_allocate_rom(int size)
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/*---------------------------------------------------------------------------*/
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#define READSIZE 32
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void
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elfloader_arch_write_text(int fd, unsigned int size, char *mem)
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elfloader_arch_write_rom(int fd, unsigned short textoff, unsigned int size, char *mem)
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{
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int i;
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unsigned int ptr;
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@ -64,6 +64,7 @@ elfloader_arch_write_text(int fd, unsigned int size, char *mem)
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flashptr = (unsigned short *)mem;
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cfs_seek(fd, textoff);
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for(ptr = 0; ptr < size; ptr += READSIZE) {
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/* Read data from file into RAM. */
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@ -90,6 +91,7 @@ elfloader_arch_write_text(int fd, unsigned int size, char *mem)
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/*---------------------------------------------------------------------------*/
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void
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elfloader_arch_relocate(int fd, unsigned int sectionoffset,
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char *sectionaddr,
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struct elf32_rela *rela, char *addr)
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{
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addr += rela->r_addend;
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@ -28,7 +28,7 @@
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*
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* This file is part of the Contiki operating system.
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*
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* @(#)$Id: elfloader-stub.c,v 1.1 2006/06/17 22:41:18 adamdunkels Exp $
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* @(#)$Id: elfloader-stub.c,v 1.2 2006/12/18 14:54:04 fros4943 Exp $
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*/
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#include "elfloader-arch.h"
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@ -48,15 +48,16 @@ elfloader_arch_allocate_rom(int size)
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}
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/*---------------------------------------------------------------------------*/
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void
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elfloader_arch_write_text(int fd, unsigned int size, char *mem)
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elfloader_arch_write_rom(int fd, unsigned short textoff, unsigned int size, char *mem)
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{
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printf("elfloader_arch_write_text: size %d, mem %p\n", size, mem);
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printf("elfloader_arch_write_rom: size %d, offset %i, mem %p\n", size, textoff, mem);
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}
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/*---------------------------------------------------------------------------*/
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void
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elfloader_arch_relocate(int fd, unsigned int sectionoffset,
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char *sectionaddr,
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struct elf32_rela *rela, char *addr)
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{
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printf("elfloader_arch_relocate: sectionoffset 0x%04x, r_offset 0x%04x, r_info 0x%04x, r_addend 0x%04x, addr %p\n", sectionoffset, rela->r_offset, rela->r_info, rela->r_addend, addr);
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printf("elfloader_arch_relocate: sectionoffset 0x%04x, sectionaddr %p, r_offset 0x%04x, r_info 0x%04x, r_addend 0x%04x, addr %p\n", sectionoffset, sectionaddr, rela->r_offset, rela->r_info, rela->r_addend, addr);
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}
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/*---------------------------------------------------------------------------*/
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@ -28,7 +28,7 @@
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*
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* This file is part of the Contiki operating system.
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*
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* @(#)$Id: elfloader-x86.c,v 1.1 2006/10/25 10:53:31 fros4943 Exp $
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* @(#)$Id: elfloader-x86.c,v 1.2 2006/12/18 14:54:04 fros4943 Exp $
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*/
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#include "elfloader-arch.h"
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#include <sys/mman.h>
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@ -67,8 +67,9 @@ elfloader_arch_allocate_rom(int size)
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}
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/*---------------------------------------------------------------------------*/
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void
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elfloader_arch_write_text(int fd, unsigned int size, char *mem)
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elfloader_arch_write_rom(int fd, unsigned short textoff, unsigned int size, char *mem)
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{
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cfs_seek(fd, textoff);
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cfs_read(fd, (unsigned char *)mem, size);
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}
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/*---------------------------------------------------------------------------*/
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