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static char _[] = "@(#)yank.c 5.20 93/07/30 16:39:05, Srini, AMD. ";
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/******************************************************************************
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* Copyright 1991 Advanced Micro Devices, Inc.
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*
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* This software is the property of Advanced Micro Devices, Inc (AMD) which
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* specifically grants the user the right to modify, use and distribute this
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* software provided this notice is not removed or altered. All other rights
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* are reserved by AMD.
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*
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* AMD MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARD TO THIS
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* SOFTWARE. IN NO EVENT SHALL AMD BE LIABLE FOR INCIDENTAL OR CONSEQUENTIAL
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* DAMAGES IN CONNECTION WITH OR ARISING FROM THE FURNISHING, PERFORMANCE, OR
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* USE OF THIS SOFTWARE.
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*
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* So that all may benefit from your experience, please report any problems
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* or suggestions about this software to the 29K Technical Support Center at
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* 800-29-29-AMD (800-292-9263) in the USA, or 0800-89-1131 in the UK, or
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* 0031-11-1129 in Japan, toll free. The direct dial number is 512-462-4118.
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*
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* Advanced Micro Devices, Inc.
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* 29K Support Products
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* Mail Stop 573
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* 5900 E. Ben White Blvd.
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* Austin, TX 78741
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* 800-292-9263
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*****************************************************************************
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* Engineer: Srini Subramanian.
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*****************************************************************************
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** This module is used to "yank" or load a COFF file
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** Into target memory.
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*****************************************************************************
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*/
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#include <stdio.h>
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#include <memory.h>
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#include <ctype.h>
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#include "coff.h"
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#include "memspcs.h"
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#include "main.h"
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#include "miniint.h"
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#include "macros.h"
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#include "error.h"
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#ifdef MSDOS
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#include <string.h>
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#include <stdlib.h>
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#else
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#include <string.h>
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#endif
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/* Definitions */
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#define FILE_BUFFER_SIZE 1024
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#ifdef MSDOS
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#define FILE_OPEN_FLAG "rb"
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#else
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#define FILE_OPEN_FLAG "r"
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#endif
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#define FROM_BEGINNING 0
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/* Function declarations */
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INT32 Mini_load_coff PARAMS((char *fname,
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INT32 space,
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INT32 sym,
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INT32 sects,
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int msg));
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INT32 Mini_init_info_ptr PARAMS((INIT_INFO *init));
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INT32 Mini_send_init_info PARAMS((INIT_INFO *init));
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INT32 Mini_load_file PARAMS((char *fname,
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INT32 mspace,
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int fargc,
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char *fargs,
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INT32 sym,
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INT32 sects,
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int msg));
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void convert32 PARAMS((BYTE *));
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void convert16 PARAMS((BYTE *));
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int SetSections PARAMS((char *));
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void print_ld_msg PARAMS((INT32, int, ADDR32, INT32));
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void print_ign_msg PARAMS((int, ADDR32, INT32));
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void print_end_msg PARAMS((INT32, int, ADDR32, INT32));
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/* GLobal */
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GLOBAL INIT_INFO init_info;
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static BYTE buffer[FILE_BUFFER_SIZE];
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extern char CoffFileName[];
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static INT32 Symbols=0; /* No symbols support yet */
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static INT32 Sections=STYP_ABS | STYP_TEXT | STYP_DATA | STYP_LIT | STYP_BSS;
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static INT32 MSpace=I_MEM;
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static int FileArgc;
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static char ArgString[1024];
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static FILE *coff_in;
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static int InitializeProgram=1;
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/*
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** This is the function called by the main program to load
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** a COFF file. It also modifies the global data structure
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** init. The data structure is then sent via an INIT message
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** to the target. In addition, the "argv" parameter string
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** is sent to the target with WRITE messages.
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**
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*/
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INT32
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yank_cmd(token, token_count)
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char *token[];
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int token_count;
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{
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int i;
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int j;
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int SectionsGiven=0;
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int IPFlag=0;
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for (j=1; j < token_count; j++) { /* parse command */
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switch (token[j][0]) {
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case '-':
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if (token[j][1] == '\0')
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return (EMSYNTAX);
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if (strcmp(token[j],"-ms")==0) {/*mem stack opt */
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if (++j >= token_count)
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return (EMSYNTAX);
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if (sscanf(token[j],"%lx",&(init_info.mem_stack_size)) != 1)
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return (EMSYNTAX);
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} else if (strcmp(token[j],"-rs")==0) {/*r stack*/
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if (++j >= token_count)
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return (EMSYNTAX);
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if (sscanf(token[j],"%lx",&(init_info.reg_stack_size)) != 1)
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return (EMSYNTAX);
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} else if (strcmp(token[j],"-noi")==0) {/*no init */
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InitializeProgram = 0;
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IPFlag = 1;
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} else if (strcmp(token[j],"-i")==0) {/*init*/
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InitializeProgram = 1;
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IPFlag = 1;
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} else {
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if (SetSections(token[j]) == (int) -1)
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return (EMSYNTAX);
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else
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SectionsGiven=1;
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}
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break;
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default: /* filename etc. */
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if (!SectionsGiven) {
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Sections = STYP_ABS|STYP_TEXT|STYP_DATA|STYP_LIT|STYP_BSS;
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SectionsGiven=0;
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}
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if (!IPFlag) {
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InitializeProgram = 1;
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IPFlag=0;
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}
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(void) strcpy (&CoffFileName[0], token[j]);
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FileArgc = token_count - j;
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(void) strcpy(ArgString, token[j]);
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for (i = 1; i < FileArgc; i++) {
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strcat(ArgString, " ");
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strcat(ArgString, token[j+i]);
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};
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j = token_count; /* break out of for loop */
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break;
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};
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}
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if (strcmp(CoffFileName,"") == 0) /* No COFF file given */
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return (EMSYNTAX);
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if (Mini_load_file(&CoffFileName[0], MSpace,
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FileArgc, ArgString,
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Symbols, Sections,
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QuietMode) != SUCCESS) {
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return(FAILURE);
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} else
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return(SUCCESS);
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};
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INT32
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Mini_load_file(filename, mspace, fileargc, fileargs, sym, sects, quietmode)
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char *filename;
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INT32 mspace;
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int fileargc;
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char *fileargs;
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INT32 sym;
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INT32 sects;
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int quietmode;
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{
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if (Mini_init_info_ptr(&init_info) != SUCCESS)
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return(FAILURE);
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if (Mini_load_coff(filename, mspace, sym, sects, quietmode) != SUCCESS)
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return(FAILURE);
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init_info.argstring = fileargs; /* complete argv string */
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if (InitializeProgram) {
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if (Mini_send_init_info(&init_info) != SUCCESS)
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return(FAILURE);
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} else {
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warning(EMNOINITP);
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}
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return(SUCCESS);
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};
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INT32
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Mini_init_info_ptr(init_ptr)
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INIT_INFO *init_ptr;
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{
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/* Re-initialize INIT message */
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init_ptr->text_start = 0xffffffff;
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init_ptr->text_end = 0;
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init_ptr->data_start = 0xffffffff;
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init_ptr->data_end = 0;
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init_ptr->entry_point = 0;
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if (init_ptr->mem_stack_size == (UINT32) -1)
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init_ptr->mem_stack_size = MEM_STACK_SIZE;
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if (init_ptr->reg_stack_size == (UINT32) -1)
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init_ptr->reg_stack_size = REG_STACK_SIZE;
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init_ptr->argstring = (char *) 0;
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return(SUCCESS);
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};
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INT32
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Mini_send_init_info(info_ptr)
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INIT_INFO *info_ptr;
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{
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INT32 retval;
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/* Align INIT values to word boundaries */
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info_ptr->text_start = ALIGN32(info_ptr->text_start);
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info_ptr->text_end = ALIGN32(info_ptr->text_end);
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info_ptr->data_start = ALIGN32(info_ptr->data_start);
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info_ptr->data_end = ALIGN32(info_ptr->data_end);
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info_ptr->mem_stack_size = ALIGN32(info_ptr->mem_stack_size);
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info_ptr->reg_stack_size = ALIGN32(info_ptr->reg_stack_size);
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/* Send INIT message */
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if ((retval = Mini_init (info_ptr->text_start,
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info_ptr->text_end,
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info_ptr->data_start,
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info_ptr->data_end,
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info_ptr->entry_point,
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info_ptr->mem_stack_size,
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info_ptr->reg_stack_size,
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info_ptr->argstring)) != SUCCESS) {
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warning(EMINIT);
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return(FAILURE);
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};
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return (SUCCESS);
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} /* Mini_send_init_info */
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/*
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** This function is used to load a COFF file. Depending on
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** the global variable "target_interface", data will be loaded
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** by either EB29K shared memory, PCEB shared memory, EB030
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** shared memory or serially.
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**
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** In addition, the global data structure "init" is updated.
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** This data structure maintains the entry point and various
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** other target initialization parameters.
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*/
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INT32
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Mini_load_coff(filename, mspace, sym, Section, quietmode)
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char *filename;
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int quietmode;
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INT32 sym;
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INT32 Section;
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INT32 mspace;
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{
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unsigned short COFF_sections;
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INT32 flags;
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INT32 memory_space;
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INT32 address;
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INT32 byte_count;
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INT32 temp_byte_count;
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INT32 bytes_ret;
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struct filehdr COFF_header;
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struct aouthdr COFF_aout_header;
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struct scnhdr COFF_section_header;
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if (!quietmode) {
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fprintf(stderr, "loading %s\n", filename);
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if (io_config.echo_mode == (INT32) TRUE)
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fprintf(io_config.echo_file, "loading %s\n", filename);
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}
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/* Open the COFF input file (if we can) */
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if ((coff_in = fopen(filename, FILE_OPEN_FLAG)) == NULL) {
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warning (EMOPEN); return(FAILURE);
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};
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/* Read in COFF header information */
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306 |
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if (fread((char *)&COFF_header, sizeof(struct filehdr), 1, coff_in) != 1) {
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fclose(coff_in); warning(EMHDR); return (FAILURE);
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};
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309 |
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310 |
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311 |
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/* Is it an Am29000 COFF File? */
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312 |
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if ((COFF_header.f_magic != 0x17a) && (COFF_header.f_magic != 0x7a01) &&
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(COFF_header.f_magic != 0x17b) && (COFF_header.f_magic != 0x7b01)) {
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fclose(coff_in); warning (EMMAGIC); return (FAILURE);
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}
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316 |
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317 |
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/* Get number of COFF sections */
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318 |
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if ((COFF_header.f_magic != 0x17a) && (COFF_header.f_magic != 0x017b))
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convert16((BYTE *) &COFF_header.f_nscns);
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COFF_sections = (unsigned short) COFF_header.f_nscns;
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321 |
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322 |
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/* Read in COFF a.out header information (if we can) */
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323 |
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if (COFF_header.f_opthdr > 0) {
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324 |
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if (fread((char *)&COFF_aout_header, sizeof(struct aouthdr),
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325 |
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1, coff_in) != 1) {
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326 |
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fclose(coff_in); warning (EMAOUT); return (FAILURE);
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327 |
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};
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328 |
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/* Set entry point in INIT message */
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329 |
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init_info.entry_point = COFF_aout_header.entry;
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330 |
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if ((COFF_header.f_magic != 0x17a) && (COFF_header.f_magic != 0x017b)) {
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331 |
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convert16((BYTE *) &COFF_header.f_opthdr);
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convert32((BYTE *) &init_info.entry_point);
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}
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334 |
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}
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335 |
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336 |
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337 |
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/*
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338 |
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** Process COFF section headers
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339 |
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*/
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340 |
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341 |
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/* Process all sections */
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342 |
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while ((int) COFF_sections--) {
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343 |
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344 |
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fseek (coff_in, (long) (FILHSZ+(int)COFF_header.f_opthdr+
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345 |
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SCNHSZ*(COFF_header.f_nscns-COFF_sections-1)),
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346 |
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FROM_BEGINNING);
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347 |
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348 |
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if (fread(&COFF_section_header, 1, SCNHSZ, coff_in) != SCNHSZ) {
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349 |
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fclose(coff_in); warning (EMSCNHDR); return (FAILURE);
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350 |
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}
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351 |
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352 |
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if ((COFF_header.f_magic != 0x17a) && (COFF_header.f_magic != 0x017b)) {
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353 |
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convert32((BYTE *) &(COFF_section_header.s_paddr));
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354 |
|
|
convert32((BYTE *) &(COFF_section_header.s_scnptr));
|
355 |
|
|
convert32((BYTE *) &(COFF_section_header.s_size));
|
356 |
|
|
convert32((BYTE *) &(COFF_section_header.s_flags));
|
357 |
|
|
}
|
358 |
|
|
|
359 |
|
|
address = COFF_section_header.s_paddr;
|
360 |
|
|
byte_count = COFF_section_header.s_size;
|
361 |
|
|
flags = COFF_section_header.s_flags;
|
362 |
|
|
|
363 |
|
|
/* Print downloading messages (if necessary) */
|
364 |
|
|
if ((flags == (INT32) STYP_TEXT) || (flags == (INT32) (STYP_TEXT | STYP_ABS))) {
|
365 |
|
|
memory_space = I_MEM;
|
366 |
|
|
init_info.text_start = MIN((ADDR32) address,
|
367 |
|
|
(ADDR32) init_info.text_start);
|
368 |
|
|
init_info.text_end = MAX((ADDR32) (address + byte_count),
|
369 |
|
|
(ADDR32) init_info.text_end);
|
370 |
|
|
} else if ((flags == (INT32) STYP_DATA) || (flags == (INT32) (STYP_DATA | STYP_ABS)) ||
|
371 |
|
|
(flags == (INT32) STYP_LIT) || (flags == (INT32) (STYP_LIT | STYP_ABS)) ||
|
372 |
|
|
(flags == (INT32) STYP_BSS) || (flags == (INT32) (STYP_BSS | STYP_ABS))) {
|
373 |
|
|
memory_space = D_MEM;
|
374 |
|
|
init_info.data_start = MIN((ADDR32) address,
|
375 |
|
|
(ADDR32) init_info.data_start);
|
376 |
|
|
init_info.data_end = MAX((ADDR32) (address + byte_count),
|
377 |
|
|
(ADDR32) init_info.data_end);
|
378 |
|
|
} else {
|
379 |
|
|
print_ign_msg(quietmode, address, byte_count);
|
380 |
|
|
flags = (INT32) 0;
|
381 |
|
|
}
|
382 |
|
|
|
383 |
|
|
if ((flags == (INT32) STYP_BSS) || (flags == (INT32) (STYP_BSS | STYP_ABS))) {
|
384 |
|
|
/* Clear BSS section */
|
385 |
|
|
if (flags & Section) {
|
386 |
|
|
print_ld_msg(flags,quietmode,address,byte_count);
|
387 |
|
|
if (Mini_fill ((INT32) D_MEM,
|
388 |
|
|
(ADDR32) address,
|
389 |
|
|
(INT32) (byte_count+3)/4,
|
390 |
|
|
4 /* fill zeroes */,
|
391 |
|
|
"\0\0\0") != SUCCESS) {
|
392 |
|
|
(void) fclose(coff_in); warning(EMFILL); return(FAILURE);
|
393 |
|
|
};
|
394 |
|
|
print_end_msg(flags,quietmode,address,byte_count);
|
395 |
|
|
}
|
396 |
|
|
} else if (flags & Section) { /* not a BSS or COmment */
|
397 |
|
|
if (flags == (INT32) (flags & Section)) {
|
398 |
|
|
fseek (coff_in, COFF_section_header.s_scnptr, FROM_BEGINNING);
|
399 |
|
|
while (byte_count > 0) {
|
400 |
|
|
temp_byte_count = MIN((INT32) byte_count, (INT32) sizeof(buffer));
|
401 |
|
|
if (fread((char *) buffer, (int) temp_byte_count, 1, coff_in) != 1) {
|
402 |
|
|
fclose(coff_in); warning (EMSCN); return (FAILURE);
|
403 |
|
|
};
|
404 |
|
|
print_ld_msg(flags, quietmode,address, temp_byte_count);
|
405 |
|
|
/* Write to 29K memory*/
|
406 |
|
|
if (Mini_write_req ((INT32) memory_space,
|
407 |
|
|
(ADDR32) address,
|
408 |
|
|
(INT32) (temp_byte_count+3)/4,
|
409 |
|
|
(INT16) 4, /* size */
|
410 |
|
|
&bytes_ret,
|
411 |
|
|
(BYTE *) buffer,
|
412 |
|
|
(INT32) FALSE) != SUCCESS) {
|
413 |
|
|
warning(EMWRITE);
|
414 |
|
|
return(FAILURE);
|
415 |
|
|
}
|
416 |
|
|
address = address + temp_byte_count;
|
417 |
|
|
byte_count = byte_count - temp_byte_count;
|
418 |
|
|
};
|
419 |
|
|
print_end_msg(flags, quietmode, COFF_section_header.s_paddr,
|
420 |
|
|
COFF_section_header.s_size);
|
421 |
|
|
};
|
422 |
|
|
}
|
423 |
|
|
} /* end while */
|
424 |
|
|
|
425 |
|
|
(void) fclose(coff_in);
|
426 |
|
|
return (SUCCESS);
|
427 |
|
|
|
428 |
|
|
} /* end Mini_loadcoff() */
|
429 |
|
|
|
430 |
|
|
|
431 |
|
|
int
|
432 |
|
|
SetSections(string)
|
433 |
|
|
char *string;
|
434 |
|
|
{
|
435 |
|
|
int i;
|
436 |
|
|
|
437 |
|
|
if (string[0] != '-')
|
438 |
|
|
return (-1); /* not section options */
|
439 |
|
|
|
440 |
|
|
Sections = STYP_ABS;
|
441 |
|
|
for (i=1; string[i] != '\0'; i++) {
|
442 |
|
|
switch (string[i]) {
|
443 |
|
|
case 't':
|
444 |
|
|
case 'T':
|
445 |
|
|
Sections = Sections | STYP_TEXT;
|
446 |
|
|
break;
|
447 |
|
|
case 'd':
|
448 |
|
|
case 'D':
|
449 |
|
|
Sections = Sections | STYP_DATA;
|
450 |
|
|
break;
|
451 |
|
|
case 'b':
|
452 |
|
|
case 'B':
|
453 |
|
|
Sections = Sections | STYP_BSS;
|
454 |
|
|
break;
|
455 |
|
|
case 'l':
|
456 |
|
|
case 'L':
|
457 |
|
|
Sections = Sections | STYP_LIT;
|
458 |
|
|
break;
|
459 |
|
|
default:
|
460 |
|
|
return (EMSYNTAX);
|
461 |
|
|
}
|
462 |
|
|
}
|
463 |
|
|
return (0);
|
464 |
|
|
}
|
465 |
|
|
|
466 |
|
|
void
|
467 |
|
|
print_ld_msg(flags, mode, address, byte_count)
|
468 |
|
|
INT32 flags;
|
469 |
|
|
int mode;
|
470 |
|
|
ADDR32 address;
|
471 |
|
|
INT32 byte_count;
|
472 |
|
|
{
|
473 |
|
|
if (!mode) {
|
474 |
|
|
if (flags & (INT32) STYP_BSS)
|
475 |
|
|
fprintf(stderr, "Clearing ");
|
476 |
|
|
else
|
477 |
|
|
fprintf(stderr, "Loading ");
|
478 |
|
|
|
479 |
|
|
if ((flags == (INT32) STYP_TEXT) || (flags == (INT32) (STYP_TEXT|STYP_ABS)))
|
480 |
|
|
fprintf(stderr, "TEXT ");
|
481 |
|
|
else if (flags & (INT32) STYP_DATA)
|
482 |
|
|
fprintf(stderr, "DATA ");
|
483 |
|
|
else if (flags & (INT32) STYP_LIT)
|
484 |
|
|
fprintf(stderr, "LIT ");
|
485 |
|
|
else if (flags & (INT32) STYP_BSS)
|
486 |
|
|
fprintf(stderr, "BSS ");
|
487 |
|
|
fprintf(stderr, "section from 0x%08lx to 0x%08lx\r",
|
488 |
|
|
address, (ADDR32) (address+byte_count));
|
489 |
|
|
}
|
490 |
|
|
}
|
491 |
|
|
|
492 |
|
|
void
|
493 |
|
|
print_ign_msg(mode, address, byte_count)
|
494 |
|
|
int mode;
|
495 |
|
|
ADDR32 address;
|
496 |
|
|
INT32 byte_count;
|
497 |
|
|
{
|
498 |
|
|
if (!mode)
|
499 |
|
|
fprintf(stderr, "Ignoring COMMENT section (%ld bytes) ...\n", byte_count);
|
500 |
|
|
}
|
501 |
|
|
|
502 |
|
|
void
|
503 |
|
|
print_end_msg(flags, mode,address,size)
|
504 |
|
|
INT32 flags;
|
505 |
|
|
int mode;
|
506 |
|
|
ADDR32 address;
|
507 |
|
|
INT32 size;
|
508 |
|
|
{
|
509 |
|
|
if (!mode) {
|
510 |
|
|
if (flags & (INT32) STYP_BSS)
|
511 |
|
|
fprintf(stderr, "Cleared ");
|
512 |
|
|
else
|
513 |
|
|
fprintf(stderr, "Loaded ");
|
514 |
|
|
if (io_config.echo_mode == (INT32) TRUE) {
|
515 |
|
|
if (flags & (INT32) STYP_BSS)
|
516 |
|
|
fprintf(io_config.echo_file, "Cleared ");
|
517 |
|
|
else
|
518 |
|
|
fprintf(io_config.echo_file, "Loaded ");
|
519 |
|
|
}
|
520 |
|
|
|
521 |
|
|
if ((flags == (INT32) STYP_TEXT) ||
|
522 |
|
|
(flags == (INT32) (STYP_TEXT|STYP_ABS)))
|
523 |
|
|
fprintf(stderr, "TEXT ");
|
524 |
|
|
else if (flags & (INT32) STYP_DATA)
|
525 |
|
|
fprintf(stderr, "DATA ");
|
526 |
|
|
else if (flags & (INT32) STYP_LIT)
|
527 |
|
|
fprintf(stderr, "LIT ");
|
528 |
|
|
else if (flags & (INT32) STYP_BSS)
|
529 |
|
|
fprintf(stderr, "BSS ");
|
530 |
|
|
|
531 |
|
|
fprintf(stderr, "section from 0x%08lx to 0x%08lx\n",
|
532 |
|
|
address, (ADDR32) (address+size));
|
533 |
|
|
if (io_config.echo_mode == (INT32) TRUE) {
|
534 |
|
|
if ((flags == (INT32) STYP_TEXT) ||
|
535 |
|
|
(flags == (INT32) (STYP_TEXT|STYP_ABS)))
|
536 |
|
|
fprintf(io_config.echo_file, "TEXT ");
|
537 |
|
|
else if (flags & (INT32) STYP_DATA)
|
538 |
|
|
fprintf(io_config.echo_file, "DATA ");
|
539 |
|
|
else if (flags & (INT32) STYP_LIT)
|
540 |
|
|
fprintf(io_config.echo_file, "LIT ");
|
541 |
|
|
else if (flags & (INT32) STYP_BSS)
|
542 |
|
|
fprintf(io_config.echo_file, "BSS ");
|
543 |
|
|
|
544 |
|
|
fprintf(io_config.echo_file, "section from 0x%08lx to 0x%08lx\n",
|
545 |
|
|
address, (ADDR32) (address+size));
|
546 |
|
|
}
|
547 |
|
|
}
|
548 |
|
|
}
|