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ARM and ARMv7-M ELF support; STM32F4Discovery ELF loader test configuration

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5264 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo
2012-10-26 19:53:20 +00:00
parent 14dae62821
commit 49ed90be32
31 changed files with 2828 additions and 757 deletions
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binfmt/libelf/libelf_init.c
+56 -1
View File
@@ -40,6 +40,7 @@
#include <nuttx/config.h>
#include <sys/stat.h>
#include <stdint.h>
#include <string.h>
#include <fcntl.h>
@@ -77,6 +78,52 @@
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: elf_filelen
*
* Description:
* Get the size of the ELF file
*
* Returned Value:
* 0 (OK) is returned on success and a negated errno is returned on
* failure.
*
****************************************************************************/
static inline int elf_filelen(FAR struct elf_loadinfo_s *loadinfo,
FAR const char *filename)
{
struct stat buf;
int ret;
/* Get the file stats */
ret = stat(filename, &buf);
if (ret < 0)
{
int errval = errno;
bdbg("Failed to fstat file: %d\n", errval);
return -errval;
}
/* Verify that it is a regular file */
if (!S_ISREG(buf.st_mode))
{
bdbg("Not a regular file. mode: %d\n", buf.st_mode);
return -ENOENT;
}
/* TODO: Verify that the file is readable. Not really important because
* we will detect this when we try to open the file read-only.
*/
/* Return the size of the file in the loadinfo structure */
loadinfo->filelen = buf.st_size;
return OK;
}
/****************************************************************************
* Public Functions
****************************************************************************/
@@ -104,7 +151,15 @@ int elf_init(FAR const char *filename, FAR struct elf_loadinfo_s *loadinfo)
memset(loadinfo, 0, sizeof(struct elf_loadinfo_s));
/* Open the binary file */
/* Get the length of the file. */
ret = elf_filelen(loadinfo, filename);
{
bdbg("elf_filelen failed: %d\n", ret);
return ret;
}
/* Open the binary file for reading (only) */
loadinfo->filfd = open(filename, O_RDONLY);
if (loadinfo->filfd < 0)
binfmt/libelf/libelf_load.c
-52
View File
@@ -40,7 +40,6 @@
#include <nuttx/config.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <stdint.h>
#include <stdlib.h>
@@ -76,49 +75,6 @@
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: elf_filelen
*
* Description:
* Get the size of the ELF file
*
* Returned Value:
* 0 (OK) is returned on success and a negated errno is returned on
* failure.
*
****************************************************************************/
static inline int elf_filelen(FAR struct elf_loadinfo_s *loadinfo)
{
struct stat buf;
int ret;
/* Get the file stats */
ret = fstat(loadinfo->filfd, &buf);
if (ret < 0)
{
int errval = errno;
bdbg("Failed to fstat file: %d\n", errval);
return -errval;
}
/* Verify that it is a regular file */
if (!S_ISREG(buf.st_mode))
{
bdbg("Not a regular file. mode: %d\n", buf.st_mode);
return -ENOENT;
}
/* TODO: Verify that the file is readable */
/* Return the size of the file in the loadinfo structure */
loadinfo->filelen = buf.st_size;
return OK;
}
/****************************************************************************
* Name: elf_loadshdrs
*
@@ -323,14 +279,6 @@ int elf_load(FAR struct elf_loadinfo_s *loadinfo)
bvdbg("loadinfo: %p\n", loadinfo);
DEBUGASSERT(loadinfo && loadinfo->filfd >= 0);
/* Get the length of the file. */
ret = elf_filelen(loadinfo);
{
bdbg("elf_filelen failed: %d\n", ret);
return ret;
}
/* Load section headers into memory */
ret = elf_loadshdrs(loadinfo);