OpenCores
URL https://opencores.org/ocsvn/zipcpu/zipcpu/trunk

Subversion Repositories zipcpu

[/] [zipcpu/] [trunk/] [sim/] [cpp/] [zipelf.cpp] - Diff between revs 204 and 207

Go to most recent revision | Show entire file | Details | Blame | View Log

Rev 204 Rev 207
Line 1... Line 1...
///////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
//
//
// Filename:    zipelf.cpp
// Filename:    zipelf.cpp
//
//
// Project:     Zip CPU -- a small, lightweight, RISC CPU soft core
// Project:     Zip CPU -- a small, lightweight, RISC CPU soft core
//
//
Line 8... Line 8...
//
//
//
//
// Creator:     Dan Gisselquist, Ph.D.
// Creator:     Dan Gisselquist, Ph.D.
//              Gisselquist Technology, LLC
//              Gisselquist Technology, LLC
//
//
///////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
//
//
// Copyright (C) 2015-2016, Gisselquist Technology, LLC
// Copyright (C) 2015-2017, Gisselquist Technology, LLC
//
//
// This program is free software (firmware): you can redistribute it and/or
// This program is free software (firmware): you can redistribute it and/or
// modify it under the terms of  the GNU General Public License as published
// modify it under the terms of  the GNU General Public License as published
// by the Free Software Foundation, either version 3 of the License, or (at
// by the Free Software Foundation, either version 3 of the License, or (at
// your option) any later version.
// your option) any later version.
Line 22... Line 22...
// This program is distributed in the hope that it will be useful, but WITHOUT
// This program is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTIBILITY or
// ANY WARRANTY; without even the implied warranty of MERCHANTIBILITY or
// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
// for more details.
// for more details.
//
//
 
// You should have received a copy of the GNU General Public License along
 
// with this program.  (It's in the $(ROOT)/doc directory.  Run make with no
 
// target there if the PDF file isn't present.)  If not, see
 
// <http://www.gnu.org/licenses/> for a copy.
 
//
// License:     GPL, v3, as defined and found on www.gnu.org,
// License:     GPL, v3, as defined and found on www.gnu.org,
//              http://www.gnu.org/licenses/gpl.html
//              http://www.gnu.org/licenses/gpl.html
//
//
//
//
///////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
//
//
//
//
 
 
#include <stdlib.h>
#include <stdlib.h>
#include <stdio.h>
#include <stdio.h>
Line 112... Line 117...
                fprintf(stderr, "This is a 64-bit ELF file, ZipCPU ELF files are all 32-bit\n");
                fprintf(stderr, "This is a 64-bit ELF file, ZipCPU ELF files are all 32-bit\n");
                exit(EXIT_FAILURE);
                exit(EXIT_FAILURE);
        }
        }
 
 
        if (dbg) {
        if (dbg) {
        printf("    %-20s 0x%jx\n", "e_type", (uintmax_t)ehdr.e_type);
        fprintf(stderr,"    %-20s 0x%jx\n","e_type", (uintmax_t)ehdr.e_type);
        printf("    %-20s 0x%jx\n", "e_machine", (uintmax_t)ehdr.e_machine);
        fprintf(stderr,"    %-20s 0x%jx\n","e_machine", (uintmax_t)ehdr.e_machine);
        printf("    %-20s 0x%jx\n", "e_version", (uintmax_t)ehdr.e_version);
        fprintf(stderr,"    %-20s 0x%jx\n","e_version", (uintmax_t)ehdr.e_version);
        printf("    %-20s 0x%jx\n", "e_entry", (uintmax_t)ehdr.e_entry);
        fprintf(stderr,"    %-20s 0x%jx\n","e_entry",(uintmax_t)ehdr.e_entry);
        printf("    %-20s 0x%jx\n", "e_phoff", (uintmax_t)ehdr.e_phoff);
        fprintf(stderr,"    %-20s 0x%jx\n","e_phoff",(uintmax_t)ehdr.e_phoff);
        printf("    %-20s 0x%jx\n", "e_shoff", (uintmax_t)ehdr.e_shoff);
        fprintf(stderr,"    %-20s 0x%jx\n","e_shoff",(uintmax_t)ehdr.e_shoff);
        printf("    %-20s 0x%jx\n", "e_flags", (uintmax_t)ehdr.e_flags);
        fprintf(stderr,"    %-20s 0x%jx\n","e_flags",(uintmax_t)ehdr.e_flags);
        printf("    %-20s 0x%jx\n", "e_ehsize", (uintmax_t)ehdr.e_ehsize);
        fprintf(stderr,"    %-20s 0x%jx\n","e_ehsize",(uintmax_t)ehdr.e_ehsize);
        printf("    %-20s 0x%jx\n", "e_phentsize", (uintmax_t)ehdr.e_phentsize);
        fprintf(stderr,"    %-20s 0x%jx\n","e_phentsize", (uintmax_t)ehdr.e_phentsize);
        printf("    %-20s 0x%jx\n", "e_shentsize", (uintmax_t)ehdr.e_shentsize);
        fprintf(stderr,"    %-20s 0x%jx\n","e_shentsize", (uintmax_t)ehdr.e_shentsize);
        printf("\n");
        fprintf(stderr,"\n");
        }
        }
 
 
 
 
        // Check whether or not this is an ELF file for the ZipCPU ...
        // Check whether or not this is an ELF file for the ZipCPU ...
        if (ehdr.e_machine != 0x0dad1) {
        if (ehdr.e_machine != 0x0dad1) {
Line 154... Line 159...
                        fprintf(stderr, "getphdr() failed: %s\n", elf_errmsg(-1));
                        fprintf(stderr, "getphdr() failed: %s\n", elf_errmsg(-1));
                        exit(EXIT_FAILURE);
                        exit(EXIT_FAILURE);
                }
                }
 
 
                if (dbg) {
                if (dbg) {
                printf("    %-20s 0x%x\n", "p_type",   phdr.p_type);
                fprintf(stderr, "    %-20s 0x%x\n", "p_type",   phdr.p_type);
                printf("    %-20s 0x%jx\n", "p_offset", phdr.p_offset);
                fprintf(stderr, "    %-20s 0x%jx\n", "p_offset", phdr.p_offset);
                printf("    %-20s 0x%jx\n", "p_vaddr",  phdr.p_vaddr);
                fprintf(stderr, "    %-20s 0x%jx\n", "p_vaddr",  phdr.p_vaddr);
                printf("    %-20s 0x%jx\n", "p_paddr",  phdr.p_paddr);
                fprintf(stderr, "    %-20s 0x%jx\n", "p_paddr",  phdr.p_paddr);
                printf("    %-20s 0x%jx\n", "p_filesz", phdr.p_filesz);
                fprintf(stderr, "    %-20s 0x%jx\n", "p_filesz", phdr.p_filesz);
                printf("    %-20s 0x%jx\n", "p_memsz",  phdr.p_memsz);
                fprintf(stderr, "    %-20s 0x%jx\n", "p_memsz",  phdr.p_memsz);
                printf("    %-20s 0x%x [", "p_flags",  phdr.p_flags);
                fprintf(stderr, "    %-20s 0x%x [", "p_flags",  phdr.p_flags);
 
 
                if (phdr.p_flags & PF_X)        printf(" Execute");
                if (phdr.p_flags & PF_X)        fprintf(stderr, " Execute");
                if (phdr.p_flags & PF_R)        printf(" Read");
                if (phdr.p_flags & PF_R)        fprintf(stderr, " Read");
                if (phdr.p_flags & PF_W)        printf(" Write");
                if (phdr.p_flags & PF_W)        fprintf(stderr, " Write");
                printf("]\n");
                fprintf(stderr, "]\n");
                printf("    %-20s 0x%jx\n", "p_align", phdr.p_align);
                fprintf(stderr, "    %-20s 0x%jx\n", "p_align", phdr.p_align);
                }
                }
 
 
                total_octets += phdr.p_memsz;
                total_octets += phdr.p_filesz;
        }
        }
 
 
        char    *d = (char *)malloc(total_octets + sizeof(ELFSECTION)+sizeof(ELFSECTION *));
        char    *d = (char *)malloc(total_octets + sizeof(ELFSECTION)+sizeof(ELFSECTION *));
        memset(d, 0, total_octets);
        memset(d, 0, total_octets);
 
 
        ELFSECTION **r = sections = (ELFSECTION **)d;
        ELFSECTION **r = sections = (ELFSECTION **)d;
        current_offset = (n+1)*sizeof(ELFSECTION *);
        current_offset = (n+1)*sizeof(ELFSECTION *);
        current_section = 0;
        current_section = 0;
 
 
        for(i=0; i<(int)n; i++) {
        for(i=0; i<(int)n; i++) {
 
                if (dbg) fprintf(stderr, "Working with &d[%d]\n", current_offset);
                r[i] = (ELFSECTION *)(&d[current_offset]);
                r[i] = (ELFSECTION *)(&d[current_offset]);
 
 
                if (gelf_getphdr(e, i, &phdr) != &phdr) {
                if (gelf_getphdr(e, i, &phdr) != &phdr) {
                        fprintf(stderr, "getphdr() failed: %s\n", elf_errmsg(-1));
                        fprintf(stderr, "getphdr() failed: %s\n", elf_errmsg(-1));
                        exit(EXIT_FAILURE);
                        exit(EXIT_FAILURE);
                }
                }
 
 
                if (dbg) {
                if (dbg) {
                printf("    %-20s 0x%jx\n", "p_offset", phdr.p_offset);
                fprintf(stderr, "    %-20s 0x%jx\n", "p_offset", phdr.p_offset);
                printf("    %-20s 0x%jx\n", "p_vaddr",  phdr.p_vaddr);
                fprintf(stderr, "    %-20s 0x%jx\n", "p_vaddr",  phdr.p_vaddr);
                printf("    %-20s 0x%jx\n", "p_paddr",  phdr.p_paddr);
                fprintf(stderr, "    %-20s 0x%jx\n", "p_paddr",  phdr.p_paddr);
                printf("    %-20s 0x%jx\n", "p_filesz", phdr.p_filesz);
                fprintf(stderr, "    %-20s 0x%jx\n", "p_filesz", phdr.p_filesz);
                printf("    %-20s 0x%jx\n", "p_memsz",  phdr.p_memsz);
                fprintf(stderr, "    %-20s 0x%jx\n", "p_memsz",  phdr.p_memsz);
                printf("    %-20s 0x%x [", "p_flags",  phdr.p_flags);
                fprintf(stderr, "    %-20s 0x%x [", "p_flags",  phdr.p_flags);
 
 
                if (phdr.p_flags & PF_X)        printf(" Execute");
                if (phdr.p_flags & PF_X)        fprintf(stderr, " Execute");
                if (phdr.p_flags & PF_R)        printf(" Read");
                if (phdr.p_flags & PF_R)        fprintf(stderr, " Read");
                if (phdr.p_flags & PF_W)        printf(" Write");
                if (phdr.p_flags & PF_W)        fprintf(stderr, " Write");
                printf("]\n");
                fprintf(stderr, "]\n");
 
 
                printf("    %-20s 0x%jx\n", "p_align", phdr.p_align);
                fprintf(stderr, "    %-20s 0x%jx\n", "p_align", phdr.p_align);
                }
                }
 
 
                current_section++;
                current_section++;
 
 
                r[i]->m_start = phdr.p_paddr;
                r[i]->m_start = phdr.p_paddr;
                r[i]->m_len   = phdr.p_filesz;
                r[i]->m_len   = phdr.p_filesz;
 
 
                current_offset += phdr.p_memsz + sizeof(ELFSECTION);
                current_offset += phdr.p_filesz + sizeof(ELFSECTION);
 
 
                // Now, let's read in our section ...
                // Now, let's read in our section ...
                if (lseek(fd, phdr.p_offset, SEEK_SET) < 0) {
                if (lseek(fd, phdr.p_offset, SEEK_SET) < 0) {
                        fprintf(stderr, "Could not seek to file position %08lx\n", phdr.p_offset);
                        fprintf(stderr, "Could not seek to file position %08lx\n", phdr.p_offset);
                        perror("O/S Err:");
                        perror("O/S Err:");

powered by: WebSVN 2.1.0

© copyright 1999-2022 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.