mirror of
https://gitee.com/mirrors_PX4/PX4-Autopilot.git
synced 2026-10-21 04:53:33 +08:00
Add framework to support loadable ELF modules (not much logic in place yet)
git-svn-id: http://svn.code.sf.net/p/nuttx/code/trunk@5250 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo
@@ -0,0 +1,9 @@
|
||||
#
|
||||
# For a description of the syntax of this configuration file,
|
||||
# see misc/tools/kconfig-language.txt.
|
||||
#
|
||||
|
||||
config ELF_DUMPBUFFER
|
||||
bool "Dump ELF buffers"
|
||||
default n
|
||||
depends on DEBUG && DEBUG_VERBOSE
|
||||
@@ -0,0 +1,53 @@
|
||||
############################################################################
|
||||
# binfmt/libelf/Make.defs
|
||||
#
|
||||
# Copyright (C) 2012 Gregory Nutt. All rights reserved.
|
||||
# Author: Gregory Nutt <gnutt@nuttx.org>
|
||||
#
|
||||
# Redistribution and use in source and binary forms, with or without
|
||||
# modification, are permitted provided that the following conditions
|
||||
# are met:
|
||||
#
|
||||
# 1. Redistributions of source code must retain the above copyright
|
||||
# notice, this list of conditions and the following disclaimer.
|
||||
# 2. Redistributions in binary form must reproduce the above copyright
|
||||
# notice, this list of conditions and the following disclaimer in
|
||||
# the documentation and/or other materials provided with the
|
||||
# distribution.
|
||||
# 3. Neither the name NuttX nor the names of its contributors may be
|
||||
# used to endorse or promote products derived from this software
|
||||
# without specific prior written permission.
|
||||
#
|
||||
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
||||
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
||||
# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
||||
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
||||
# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
||||
# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
||||
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
# POSSIBILITY OF SUCH DAMAGE.
|
||||
#
|
||||
############################################################################
|
||||
|
||||
ifeq ($(CONFIG_ELF),y)
|
||||
|
||||
# ELF application interfaces
|
||||
|
||||
BINFMT_CSRCS += elf.c
|
||||
|
||||
# ELF library
|
||||
|
||||
BINFMT_CSRCS = libelf_init.c libelf_uninit.c libelf_load.c \
|
||||
libelf_unload.c libelf_verify.c libelf_read.c \
|
||||
libelf_bind.c
|
||||
|
||||
# Hook the libelf subdirectory into the build
|
||||
|
||||
VPATH += libelf
|
||||
SUBDIRS += libelf
|
||||
|
||||
endif
|
||||
@@ -0,0 +1,187 @@
|
||||
/****************************************************************************
|
||||
* examples/elf/gnu-elf-gotoff.ld
|
||||
*
|
||||
* Copyright (C) 2009, 2012 Gregory Nutt. All rights reserved.
|
||||
* Author: Gregory Nutt <gnutt@nuttx.org>
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in
|
||||
* the documentation and/or other materials provided with the
|
||||
* distribution.
|
||||
* 3. Neither the name NuttX nor the names of its contributors may be
|
||||
* used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
||||
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
||||
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
||||
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
||||
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
||||
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
||||
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
* POSSIBILITY OF SUCH DAMAGE.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
MEMORY
|
||||
{
|
||||
ISPACE : ORIGIN = 0x0, LENGTH = 2097152
|
||||
DSPACE : ORIGIN = 0x0, LENGTH = 2097152
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* The XFLAT program image is divided into two segments:
|
||||
*
|
||||
* (1) ISpace (Instruction Space). This is the segment that contains
|
||||
* code (.text). Everything in the segment should be fetch-able
|
||||
* machine PC instructions (jump, branch, call, etc.).
|
||||
* (2) DSpace (Data Space). This is the segment that contains both
|
||||
* read-write data (.data, .bss) as well as read-only data (.rodata).
|
||||
* Everything in this segment should be access-able with machine
|
||||
* PIC load and store instructions.
|
||||
*
|
||||
* Older versions of GCC (at least up to GCC 4.3.3), use GOT-relative
|
||||
* addressing to access RO data. In that case, read-only data (.rodata) must
|
||||
* reside in D-Space and this linker script should be used.
|
||||
*
|
||||
* Newer versions of GCC (at least as of GCC 4.6.3), use PC-relative
|
||||
* addressing to access RO data. In that case, read-only data (.rodata) must
|
||||
* reside in I-Space and this linker script should NOT be used with those
|
||||
* newer tools.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
SECTIONS
|
||||
{
|
||||
.text 0x00000000 :
|
||||
{
|
||||
/* ISpace is located at address 0. Every (unrelocated) ISpace
|
||||
* address is an offset from the begining of this segment.
|
||||
*/
|
||||
|
||||
text_start = . ;
|
||||
|
||||
*(.text)
|
||||
*(.text.*)
|
||||
*(.gnu.warning)
|
||||
*(.stub)
|
||||
*(.glue_7)
|
||||
*(.glue_7t)
|
||||
*(.jcr)
|
||||
|
||||
/* C++ support: The .init and .fini sections contain XFLAT-
|
||||
* specific logic to manage static constructors and destructors.
|
||||
*/
|
||||
|
||||
*(.gnu.linkonce.t.*)
|
||||
*(.init)
|
||||
*(.fini)
|
||||
|
||||
/* This is special code area at the end of the normal
|
||||
text section. It contains a small lookup table at
|
||||
the start followed by the code pointed to by entries
|
||||
in the lookup table. */
|
||||
|
||||
. = ALIGN (4) ;
|
||||
PROVIDE(__ctbp = .);
|
||||
*(.call_table_data)
|
||||
*(.call_table_text)
|
||||
|
||||
_etext = . ;
|
||||
|
||||
} > ISPACE
|
||||
|
||||
/* DSpace is also located at address 0. Every (unrelocated) DSpace
|
||||
* address is an offset from the begining of this segment.
|
||||
*/
|
||||
|
||||
.data 0x00000000 :
|
||||
{
|
||||
/* In this model, .rodata is access using PC-relative addressing
|
||||
* and, hence, must also reside in the .text section.
|
||||
*/
|
||||
|
||||
__data_start = . ;
|
||||
*(.rodata)
|
||||
*(.rodata1)
|
||||
*(.rodata.*)
|
||||
*(.gnu.linkonce.r*)
|
||||
|
||||
*(.data)
|
||||
*(.data1)
|
||||
*(.data.*)
|
||||
*(.gnu.linkonce.d*)
|
||||
*(.data1)
|
||||
*(.eh_frame)
|
||||
*(.gcc_except_table)
|
||||
|
||||
*(.gnu.linkonce.s.*)
|
||||
*(__libc_atexit)
|
||||
*(__libc_subinit)
|
||||
*(__libc_subfreeres)
|
||||
*(.note.ABI-tag)
|
||||
|
||||
/* C++ support. For each global and static local C++ object,
|
||||
* GCC creates a small subroutine to construct the object. Pointers
|
||||
* to these routines (not the routines themselves) are stored as
|
||||
* simple, linear arrays in the .ctors section of the object file.
|
||||
* Similarly, pointers to global/static destructor routines are
|
||||
* stored in .dtors.
|
||||
*/
|
||||
|
||||
*(.gnu.linkonce.d.*)
|
||||
|
||||
_ctors_start = . ;
|
||||
*(.ctors)
|
||||
_ctors_end = . ;
|
||||
_dtors_start = . ;
|
||||
*(.dtors)
|
||||
_dtors_end = . ;
|
||||
|
||||
_edata = . ;
|
||||
edata = ALIGN( 0x10 ) ;
|
||||
} > DSPACE
|
||||
|
||||
.bss :
|
||||
{
|
||||
__bss_start = _edata ;
|
||||
*(.dynsbss)
|
||||
*(.sbss)
|
||||
*(.sbss.*)
|
||||
*(.scommon)
|
||||
*(.dynbss)
|
||||
*(.bss)
|
||||
*(.bss.*)
|
||||
*(.bss*)
|
||||
*(.gnu.linkonce.b*)
|
||||
*(COMMON)
|
||||
end = ALIGN( 0x10 ) ;
|
||||
_end = ALIGN( 0x10 ) ;
|
||||
} > DSPACE
|
||||
|
||||
.got 0 : { *(.got.plt) *(.got) }
|
||||
.junk 0 : { *(.rel*) *(.rela*) }
|
||||
/* Stabs debugging sections. */
|
||||
.stab 0 : { *(.stab) }
|
||||
.stabstr 0 : { *(.stabstr) }
|
||||
.stab.excl 0 : { *(.stab.excl) }
|
||||
.stab.exclstr 0 : { *(.stab.exclstr) }
|
||||
.stab.index 0 : { *(.stab.index) }
|
||||
.stab.indexstr 0 : { *(.stab.indexstr) }
|
||||
.comment 0 : { *(.comment) }
|
||||
.debug_abbrev 0 : { *(.debug_abbrev) }
|
||||
.debug_info 0 : { *(.debug_info) }
|
||||
.debug_line 0 : { *(.debug_line) }
|
||||
.debug_pubnames 0 : { *(.debug_pubnames) }
|
||||
.debug_aranges 0 : { *(.debug_aranges) }
|
||||
}
|
||||
@@ -0,0 +1,106 @@
|
||||
/****************************************************************************
|
||||
* binfmt/libelf/libelf_bind.c
|
||||
*
|
||||
* Copyright (C) 2012 Gregory Nutt. All rights reserved.
|
||||
* Author: Gregory Nutt <gnutt@nuttx.org>
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in
|
||||
* the documentation and/or other materials provided with the
|
||||
* distribution.
|
||||
* 3. Neither the name NuttX nor the names of its contributors may be
|
||||
* used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
||||
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
||||
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
||||
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
||||
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
||||
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
||||
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
* POSSIBILITY OF SUCH DAMAGE.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Included Files
|
||||
****************************************************************************/
|
||||
|
||||
#include <nuttx/config.h>
|
||||
|
||||
#include <stdint.h>
|
||||
#include <string.h>
|
||||
#include <elf.h>
|
||||
#include <errno.h>
|
||||
#include <assert.h>
|
||||
#include <debug.h>
|
||||
|
||||
#include <arpa/inet.h>
|
||||
#include <nuttx/elf.h>
|
||||
#include <nuttx/symtab.h>
|
||||
|
||||
/****************************************************************************
|
||||
* Pre-processor Definitions
|
||||
****************************************************************************/
|
||||
|
||||
/* CONFIG_DEBUG, CONFIG_DEBUG_VERBOSE, and CONFIG_DEBUG_BINFMT have to be
|
||||
* defined or CONFIG_ELF_DUMPBUFFER does nothing.
|
||||
*/
|
||||
|
||||
#if !defined(CONFIG_DEBUG_VERBOSE) || !defined (CONFIG_DEBUG_BINFMT)
|
||||
# undef CONFIG_ELF_DUMPBUFFER
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_ELF_DUMPBUFFER
|
||||
# define elf_dumpbuffer(m,b,n) bvdbgdumpbuffer(m,b,n)
|
||||
#else
|
||||
# define elf_dumpbuffer(m,b,n)
|
||||
#endif
|
||||
|
||||
/****************************************************************************
|
||||
* Private Types
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Private Data
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Private Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Public Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Name: elf_bind
|
||||
*
|
||||
* Description:
|
||||
* Bind the imported symbol names in the loaded module described by
|
||||
* 'loadinfo' using the exported symbol values provided by 'symtab'.
|
||||
*
|
||||
* Returned Value:
|
||||
* 0 (OK) is returned on success and a negated errno is returned on
|
||||
* failure.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
int elf_bind(FAR struct elf_loadinfo_s *loadinfo,
|
||||
FAR const struct symtab_s *exports, int nexports)
|
||||
{
|
||||
#warning "Missing logic"
|
||||
return -ENOSYS;
|
||||
}
|
||||
|
||||
@@ -0,0 +1,189 @@
|
||||
/****************************************************************************
|
||||
* binfmt/libelf/libelf_init.c
|
||||
*
|
||||
* Copyright (C) 2012 Gregory Nutt. All rights reserved.
|
||||
* Author: Gregory Nutt <gnutt@nuttx.org>
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in
|
||||
* the documentation and/or other materials provided with the
|
||||
* distribution.
|
||||
* 3. Neither the name NuttX nor the names of its contributors may be
|
||||
* used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
||||
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
||||
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
||||
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
||||
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
||||
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
||||
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
* POSSIBILITY OF SUCH DAMAGE.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Included Files
|
||||
****************************************************************************/
|
||||
|
||||
#include <nuttx/config.h>
|
||||
|
||||
#include <sys/stat.h>
|
||||
#include <stdint.h>
|
||||
#include <string.h>
|
||||
#include <fcntl.h>
|
||||
#include <elf.h>
|
||||
#include <debug.h>
|
||||
#include <errno.h>
|
||||
|
||||
#include <arpa/inet.h>
|
||||
#include <nuttx/elf.h>
|
||||
|
||||
/****************************************************************************
|
||||
* Pre-Processor Definitions
|
||||
****************************************************************************/
|
||||
|
||||
/* CONFIG_DEBUG, CONFIG_DEBUG_VERBOSE, and CONFIG_DEBUG_BINFMT have to be
|
||||
* defined or CONFIG_ELF_DUMPBUFFER does nothing.
|
||||
*/
|
||||
|
||||
#if !defined(CONFIG_DEBUG_VERBOSE) || !defined (CONFIG_DEBUG_BINFMT)
|
||||
# undef CONFIG_ELF_DUMPBUFFER
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_ELF_DUMPBUFFER
|
||||
# define elf_dumpbuffer(m,b,n) bvdbgdumpbuffer(m,b,n)
|
||||
#else
|
||||
# define elf_dumpbuffer(m,b,n)
|
||||
#endif
|
||||
|
||||
/****************************************************************************
|
||||
* Private Constant Data
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Private Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Public Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Name: elf_init
|
||||
*
|
||||
* Description:
|
||||
* This function is called to configure the library to process an ELF
|
||||
* program binary.
|
||||
*
|
||||
* Returned Value:
|
||||
* 0 (OK) is returned on success and a negated errno is returned on
|
||||
* failure.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
int elf_init(FAR const char *filename, FAR struct elf_loadinfo_s *loadinfo)
|
||||
{
|
||||
uint32_t datastart;
|
||||
uint32_t dataend;
|
||||
uint32_t bssstart;
|
||||
uint32_t bssend;
|
||||
int ret;
|
||||
|
||||
bvdbg("filename: %s loadinfo: %p\n", filename, loadinfo);
|
||||
|
||||
/* Clear the load info structure */
|
||||
|
||||
memset(loadinfo, 0, sizeof(struct elf_loadinfo_s));
|
||||
|
||||
/* Open the binary file */
|
||||
|
||||
loadinfo->filfd = open(filename, O_RDONLY);
|
||||
if (loadinfo->filfd < 0)
|
||||
{
|
||||
bdbg("Failed to open ELF binary %s: %d\n", filename, ret);
|
||||
return -errno;
|
||||
}
|
||||
|
||||
/* Read the ELF header from offset 0 */
|
||||
|
||||
ret = elf_read(loadinfo, (char*)&loadinfo->header,
|
||||
sizeof(struct elf_hdr_s), 0);
|
||||
if (ret < 0)
|
||||
{
|
||||
bdbg("Failed to read ELF header: %d\n", ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
elf_dumpbuffer("ELF header", (FAR const uint8_t*)&loadinfo->header,
|
||||
sizeof(struct elf_hdr_s));
|
||||
|
||||
/* Verify the ELF header */
|
||||
|
||||
if (elf_verifyheader(&loadinfo->header) != 0)
|
||||
{
|
||||
/* This is not an error because we will be called to attempt loading
|
||||
* EVERY binary. Returning -ENOEXEC simply informs the system that
|
||||
* the file is not an ELF file. Besides, if there is something worth
|
||||
* complaining about, nelf_verifyheader() has already
|
||||
* done so.
|
||||
*/
|
||||
|
||||
bdbg("Bad ELF header\n");
|
||||
return -ENOEXEC;
|
||||
}
|
||||
|
||||
/* Save all of the input values in the loadinfo structure
|
||||
* and extract some additional information from the xflat
|
||||
* header. Note that the information in the xflat header is in
|
||||
* network order.
|
||||
*/
|
||||
|
||||
datastart = ntohl(loadinfo->header.h_datastart);
|
||||
dataend = ntohl(loadinfo->header.h_dataend);
|
||||
bssstart = dataend;
|
||||
bssend = ntohl(loadinfo->header.h_bssend);
|
||||
|
||||
/* And put this information into the loadinfo structure as well.
|
||||
*
|
||||
* Note that:
|
||||
*
|
||||
* isize = the address range from 0 up to datastart.
|
||||
* datasize = the address range from datastart up to dataend
|
||||
* bsssize = the address range from dataend up to bssend.
|
||||
*/
|
||||
|
||||
loadinfo->entryoffs = ntohl(loadinfo->header.h_entry);
|
||||
loadinfo->isize = datastart;
|
||||
|
||||
loadinfo->datasize = dataend - datastart;
|
||||
loadinfo->bsssize = bssend - dataend;
|
||||
loadinfo->stacksize = ntohl(loadinfo->header.h_stacksize);
|
||||
|
||||
/* This is the initial dspace size. We'll re-calculate this later
|
||||
* after the memory has been allocated.
|
||||
*/
|
||||
|
||||
loadinfo->dsize = bssend - datastart;
|
||||
|
||||
/* Get the offset to the start of the relocations (we'll relocate
|
||||
* this later).
|
||||
*/
|
||||
|
||||
loadinfo->relocstart = ntohl(loadinfo->header.h_relocstart);
|
||||
loadinfo->reloccount = ntohs(loadinfo->header.h_reloccount);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
@@ -0,0 +1,91 @@
|
||||
/****************************************************************************
|
||||
* binfmt/libelf/libelf_load.c
|
||||
*
|
||||
* Copyright (C) 2012 Gregory Nutt. All rights reserved.
|
||||
* Author: Gregory Nutt <gnutt@nuttx.org>
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in
|
||||
* the documentation and/or other materials provided with the
|
||||
* distribution.
|
||||
* 3. Neither the name NuttX nor the names of its contributors may be
|
||||
* used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
||||
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
||||
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
||||
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
||||
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
||||
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
||||
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
* POSSIBILITY OF SUCH DAMAGE.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Included Files
|
||||
****************************************************************************/
|
||||
|
||||
#include <nuttx/config.h>
|
||||
|
||||
#include <sys/types.h>
|
||||
#include <sys/mman.h>
|
||||
#include <stdint.h>
|
||||
#include <stdlib.h>
|
||||
#include <elf.h>
|
||||
#include <debug.h>
|
||||
#include <errno.h>
|
||||
|
||||
#include <arpa/inet.h>
|
||||
#include <nuttx/elf.h>
|
||||
|
||||
/****************************************************************************
|
||||
* Pre-Processor Definitions
|
||||
****************************************************************************/
|
||||
|
||||
#ifndef MAX
|
||||
#define MAX(x,y) ((x) > (y) ? (x) : (y))
|
||||
#endif
|
||||
|
||||
/****************************************************************************
|
||||
* Private Constant Data
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Private Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Public Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Name: elf_load
|
||||
*
|
||||
* Description:
|
||||
* Loads the binary into memory, allocating memory, performing relocations
|
||||
* and inializing the data and bss segments.
|
||||
*
|
||||
* Returned Value:
|
||||
* 0 (OK) is returned on success and a negated errno is returned on
|
||||
* failure.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
int elf_load(FAR struct elf_loadinfo_s *loadinfo)
|
||||
{
|
||||
# warning "Missing logic"
|
||||
return -ENOSYS;
|
||||
}
|
||||
|
||||
@@ -0,0 +1,165 @@
|
||||
/****************************************************************************
|
||||
* binfmt/libelf/libelf_read.c
|
||||
*
|
||||
* Copyright (C) 2012 Gregory Nutt. All rights reserved.
|
||||
* Author: Gregory Nutt <gnutt@nuttx.org>
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in
|
||||
* the documentation and/or other materials provided with the
|
||||
* distribution.
|
||||
* 3. Neither the name NuttX nor the names of its contributors may be
|
||||
* used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
||||
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
||||
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
||||
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
||||
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
||||
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
||||
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
* POSSIBILITY OF SUCH DAMAGE.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Included Files
|
||||
****************************************************************************/
|
||||
|
||||
#include <nuttx/config.h>
|
||||
|
||||
#include <sys/types.h>
|
||||
#include <stdint.h>
|
||||
#include <unistd.h>
|
||||
#include <string.h>
|
||||
#include <elf.h>
|
||||
#include <debug.h>
|
||||
#include <errno.h>
|
||||
|
||||
#include <arpa/inet.h>
|
||||
#include <nuttx/elf.h>
|
||||
|
||||
/****************************************************************************
|
||||
* Pre-Processor Definitions
|
||||
****************************************************************************/
|
||||
|
||||
#undef ELF_DUMP_READDATA /* Define to dump all file data read */
|
||||
#define DUMPER lib_rawprintf /* If ELF_DUMP_READDATA is defined, this
|
||||
* is the API used to dump data */
|
||||
|
||||
/****************************************************************************
|
||||
* Private Constant Data
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Private Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Name: elf_dumpreaddata
|
||||
****************************************************************************/
|
||||
|
||||
#if defined(ELF_DUMP_READDATA)
|
||||
static inline void elf_dumpreaddata(char *buffer, int buflen)
|
||||
{
|
||||
uint32_t *buf32 = (uint32_t*)buffer;
|
||||
int i;
|
||||
int j;
|
||||
|
||||
for (i = 0; i < buflen; i += 32)
|
||||
{
|
||||
DUMPER("%04x:", i);
|
||||
for (j = 0; j < 32; j += sizeof(uint32_t))
|
||||
{
|
||||
DUMPER(" %08x", *buf32++);
|
||||
}
|
||||
DUMPER("\n");
|
||||
}
|
||||
}
|
||||
#else
|
||||
# define elf_dumpreaddata(b,n)
|
||||
#endif
|
||||
|
||||
/****************************************************************************
|
||||
* Public Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Name: elf_read
|
||||
*
|
||||
* Description:
|
||||
* Read 'readsize' bytes from the object file at 'offset'
|
||||
*
|
||||
* Returned Value:
|
||||
* 0 (OK) is returned on success and a negated errno is returned on
|
||||
* failure.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
int elf_read(struct elf_loadinfo_s *loadinfo, char *buffer, int readsize, int offset)
|
||||
{
|
||||
ssize_t nbytes; /* Number of bytes read */
|
||||
off_t rpos; /* Position returned by lseek */
|
||||
char *bufptr; /* Next buffer location to read into */
|
||||
int bytesleft; /* Number of bytes of .data left to read */
|
||||
int bytesread; /* Total number of bytes read */
|
||||
|
||||
bvdbg("Read %d bytes from offset %d\n", readsize, offset);
|
||||
|
||||
/* Seek to the position in the object file where the initialized
|
||||
* data is saved.
|
||||
*/
|
||||
|
||||
bytesread = 0;
|
||||
bufptr = buffer;
|
||||
bytesleft = readsize;
|
||||
do
|
||||
{
|
||||
rpos = lseek(loadinfo->filfd, offset, SEEK_SET);
|
||||
if (rpos != offset)
|
||||
{
|
||||
bdbg("Failed to seek to position %d: %d\n", offset, errno);
|
||||
return -errno;
|
||||
}
|
||||
|
||||
/* Read the file data at offset into the user buffer */
|
||||
|
||||
nbytes = read(loadinfo->filfd, bufptr, bytesleft);
|
||||
if (nbytes < 0)
|
||||
{
|
||||
if (errno != EINTR)
|
||||
{
|
||||
bdbg("Read of .data failed: %d\n", errno);
|
||||
return -errno;
|
||||
}
|
||||
}
|
||||
else if (nbytes == 0)
|
||||
{
|
||||
bdbg("Unexpected end of file\n");
|
||||
return -ENODATA;
|
||||
}
|
||||
else
|
||||
{
|
||||
bytesread += nbytes;
|
||||
bytesleft -= nbytes;
|
||||
bufptr += nbytes;
|
||||
offset += nbytes;
|
||||
}
|
||||
}
|
||||
while (bytesread < readsize);
|
||||
|
||||
elf_dumpreaddata(buffer, readsize);
|
||||
return OK;
|
||||
}
|
||||
|
||||
@@ -0,0 +1,85 @@
|
||||
/****************************************************************************
|
||||
* binfmt/libelf/libelf_uninit.c
|
||||
*
|
||||
* Copyright (C) 2012 Gregory Nutt. All rights reserved.
|
||||
* Author: Gregory Nutt <gnutt@nuttx.org>
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in
|
||||
* the documentation and/or other materials provided with the
|
||||
* distribution.
|
||||
* 3. Neither the name NuttX nor the names of its contributors may be
|
||||
* used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
||||
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
||||
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
||||
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
||||
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
||||
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
||||
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
* POSSIBILITY OF SUCH DAMAGE.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Included Files
|
||||
****************************************************************************/
|
||||
|
||||
#include <nuttx/config.h>
|
||||
|
||||
#include <unistd.h>
|
||||
#include <debug.h>
|
||||
#include <errno.h>
|
||||
#include <nuttx/elf.h>
|
||||
|
||||
/****************************************************************************
|
||||
* Pre-Processor Definitions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Private Constant Data
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Private Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Public Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Name: elf_uninit
|
||||
*
|
||||
* Description:
|
||||
* Releases any resources committed by elf_init(). This essentially
|
||||
* undoes the actions of elf_init.
|
||||
*
|
||||
* Returned Value:
|
||||
* 0 (OK) is returned on success and a negated errno is returned on
|
||||
* failure.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
int elf_uninit(struct elf_loadinfo_s *loadinfo)
|
||||
{
|
||||
if (loadinfo->filfd >= 0)
|
||||
{
|
||||
close(loadinfo->filfd);
|
||||
}
|
||||
|
||||
return OK;
|
||||
}
|
||||
|
||||
@@ -0,0 +1,97 @@
|
||||
/****************************************************************************
|
||||
* binfmt/libelf/libelf_unload.c
|
||||
*
|
||||
* Copyright (C) 2012 Gregory Nutt. All rights reserved.
|
||||
* Author: Gregory Nutt <gnutt@nuttx.org>
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in
|
||||
* the documentation and/or other materials provided with the
|
||||
* distribution.
|
||||
* 3. Neither the name NuttX nor the names of its contributors may be
|
||||
* used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
||||
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
||||
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
||||
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
||||
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
||||
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
||||
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
* POSSIBILITY OF SUCH DAMAGE.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Included Files
|
||||
****************************************************************************/
|
||||
|
||||
#include <nuttx/config.h>
|
||||
|
||||
#include <sys/mman.h>
|
||||
#include <stdlib.h>
|
||||
#include <debug.h>
|
||||
|
||||
#include <nuttx/elf.h>
|
||||
|
||||
/****************************************************************************
|
||||
* Pre-Processor Definitions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Private Constant Data
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Private Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Public Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Name: elf_unload
|
||||
*
|
||||
* Description:
|
||||
* This function unloads the object from memory. This essentially
|
||||
* undoes the actions of elf_load.
|
||||
*
|
||||
* Returned Value:
|
||||
* 0 (OK) is returned on success and a negated errno is returned on
|
||||
* failure.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
int elf_unload(struct elf_loadinfo_s *loadinfo)
|
||||
{
|
||||
/* Reset the contents of the info structure. */
|
||||
|
||||
/* Release the memory segments */
|
||||
|
||||
if (loadinfo->ispace)
|
||||
{
|
||||
kfree((void*)loadinfo->ispace, loadinfo->isize);
|
||||
loadinfo->ispace = 0;
|
||||
}
|
||||
|
||||
if (loadinfo->dspace)
|
||||
{
|
||||
kfree((void*)loadinfo->dspace);
|
||||
loadinfo->dspace = 0;
|
||||
}
|
||||
|
||||
return OK;
|
||||
}
|
||||
|
||||
@@ -0,0 +1,88 @@
|
||||
/****************************************************************************
|
||||
* binfmt/libelf/elf_verify.c
|
||||
*
|
||||
* Copyright (C) 2012 Gregory Nutt. All rights reserved.
|
||||
* Author: Gregory Nutt <gnutt@nuttx.org>
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in
|
||||
* the documentation and/or other materials provided with the
|
||||
* distribution.
|
||||
* 3. Neither the name NuttX nor the names of its contributors may be
|
||||
* used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
||||
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
||||
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
||||
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
||||
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
||||
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
||||
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
* POSSIBILITY OF SUCH DAMAGE.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Included Files
|
||||
****************************************************************************/
|
||||
|
||||
#include <nuttx/config.h>
|
||||
|
||||
#include <string.h>
|
||||
#include <debug.h>
|
||||
#include <errno.h>
|
||||
#include <arpa/inet.h>
|
||||
#include <nuttx/elf.h>
|
||||
|
||||
/****************************************************************************
|
||||
* Pre-processor Definitions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Private Constant Data
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Private Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Public Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Name: elf_verifyheader
|
||||
*
|
||||
* Description:
|
||||
* Given the header from a possible ELF executable, verify that it
|
||||
* is an ELF executable.
|
||||
*
|
||||
* Returned Value:
|
||||
* 0 (OK) is returned on success and a negated errno is returned on
|
||||
* failure.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
int elf_verifyheader(const struct elf_hdr_s *header)
|
||||
{
|
||||
if (!header)
|
||||
{
|
||||
bdbg("NULL ELF header!");
|
||||
return -ENOEXEC;
|
||||
}
|
||||
|
||||
#warning "Missing Logic"
|
||||
return -ENOSYS;
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user