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More ELF loader changes

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5261 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2012-10-25 22:10:56 +00:00
parent 87e9dbc4c8
commit abf9559979
10 changed files with 24 additions and 20 deletions
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2
Makefile
View File

@ -644,7 +644,7 @@ ifneq ($(APPDIR),)
fi fi
@$(MAKE) -C "$(TOPDIR)/$(APPDIR)" TOPDIR="$(TOPDIR)" distclean @$(MAKE) -C "$(TOPDIR)/$(APPDIR)" TOPDIR="$(TOPDIR)" distclean
@if [ -r _SAVED_APPS_config ]; then \ @if [ -r _SAVED_APPS_config ]; then \
@mv _SAVED_APPS_config "$(TOPDIR)/$(APPDIR)/.config" || \ mv _SAVED_APPS_config "$(TOPDIR)/$(APPDIR)/.config" || \
{ echo "Copy of _SAVED_APPS_config failed" ; exit 1 ; } \ { echo "Copy of _SAVED_APPS_config failed" ; exit 1 ; } \
fi fi
endif endif

4
arch/sim/src/up_elf.c
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@ -40,7 +40,9 @@
#include <nuttx/config.h> #include <nuttx/config.h>
#include <stdlib.h> #include <stdlib.h>
#include <elf.h>
#include <errno.h> #include <errno.h>
#include <debug.h>
#include <nuttx/arch.h> #include <nuttx/arch.h>
#include <nuttx/binfmt/elf.h> #include <nuttx/binfmt/elf.h>
@ -113,7 +115,7 @@ int arch_relocate(FAR const Elf32_Rel *rel, FAR const Elf32_Sym *sym,
{ {
FAR uint32_t *ptr = (FAR uint32_t *)addr; FAR uint32_t *ptr = (FAR uint32_t *)addr;
switch (ELF_REL_TYPE(rel->r_info)) switch (ELF32_R_TYPE(rel->r_info))
{ {
case R_386_32: case R_386_32:
*ptr += sym->st_value; *ptr += sym->st_value;

4
arch/x86/src/common/up_elf.c
View File

@ -40,7 +40,9 @@
#include <nuttx/config.h> #include <nuttx/config.h>
#include <stdlib.h> #include <stdlib.h>
#include <elf.h>
#include <errno.h> #include <errno.h>
#include <debug.h>
#include <nuttx/arch.h> #include <nuttx/arch.h>
#include <nuttx/binfmt/elf.h> #include <nuttx/binfmt/elf.h>
@ -113,7 +115,7 @@ int arch_relocate(FAR const Elf32_Rel *rel, FAR const Elf32_Sym *sym,
{ {
FAR uint32_t *ptr = (FAR uint32_t *)addr; FAR uint32_t *ptr = (FAR uint32_t *)addr;
switch (ELF_REL_TYPE(rel->r_info)) switch (ELF32_R_TYPE(rel->r_info))
{ {
case R_386_32: case R_386_32:
*ptr += sym->st_value; *ptr += sym->st_value;

10
binfmt/elf.c
View File

@ -139,11 +139,11 @@ static void elf_dumploadinfo(FAR struct elf_loadinfo_s *loadinfo)
bdbg(" e_shnum: %d\n", loadinfo->ehdr.e_shnum); bdbg(" e_shnum: %d\n", loadinfo->ehdr.e_shnum);
bdbg(" e_shstrndx: %d\n", loadinfo->ehdr.e_shstrndx); bdbg(" e_shstrndx: %d\n", loadinfo->ehdr.e_shstrndx);
if (loadinfo->shdr && loadinfo->ehdr.e_shum > 0) if (loadinfo->shdr && loadinfo->ehdr.e_shnum > 0)
{ {
for (i = 0; i < loadinfo->ehdr.e_shum; i++) for (i = 0; i < loadinfo->ehdr.e_shnum; i++)
{ {
FAR ELF32_Shdr *shdr = &loadinfo->shdr[i]; FAR Elf32_Shdr *shdr = &loadinfo->shdr[i];
bdbg("Sections %d:\n", i); bdbg("Sections %d:\n", i);
bdbg(" sh_name: %08x\n", shdr->sh_name); bdbg(" sh_name: %08x\n", shdr->sh_name);
bdbg(" sh_type: %08x\n", shdr->sh_type); bdbg(" sh_type: %08x\n", shdr->sh_type);
@ -184,7 +184,7 @@ static int elf_loadbinary(struct binary_s *binp)
elf_dumploadinfo(&loadinfo); elf_dumploadinfo(&loadinfo);
if (ret != 0) if (ret != 0)
{ {
bdbg("Failed to initialize for load of NXFLT program: %d\n", ret); bdbg("Failed to initialize for load of ELF program: %d\n", ret);
goto errout; goto errout;
} }
@ -194,7 +194,7 @@ static int elf_loadbinary(struct binary_s *binp)
elf_dumploadinfo(&loadinfo); elf_dumploadinfo(&loadinfo);
if (ret != 0) if (ret != 0)
{ {
bdbg("Failed to load NXFLT program binary: %d\n", ret); bdbg("Failed to load ELF program binary: %d\n", ret);
goto errout_with_init; goto errout_with_init;
} }

2
binfmt/libelf/Make.defs
View File

@ -41,7 +41,7 @@ BINFMT_CSRCS += elf.c
# ELF library # ELF library
BINFMT_CSRCS = libelf_init.c libelf_uninit.c libelf_load.c \ BINFMT_CSRCS += libelf_init.c libelf_uninit.c libelf_load.c \
libelf_unload.c libelf_verify.c libelf_read.c \ libelf_unload.c libelf_verify.c libelf_read.c \
libelf_bind.c libelf_symbols.c libelf_bind.c libelf_symbols.c

2
binfmt/libelf/libelf_load.c
View File

@ -283,8 +283,8 @@ static inline int elf_loadfile(FAR struct elf_loadinfo_s *loadinfo)
/* Update sh_addr to point to copy in memory */ /* Update sh_addr to point to copy in memory */
bvdbg("%d. %08x->%08x\n", i, (long)shdr->sh_addr, (long)dest);
shdr->sh_addr = (uintptr_t)dest; shdr->sh_addr = (uintptr_t)dest;
bvdbg("%d. 0x%lx %s\n", (long)shdr->sh_addr, loadinfo->secstrings + shdr->sh_name);
/* Setup the memory pointer for the next time through the loop */ /* Setup the memory pointer for the next time through the loop */

2
binfmt/libnxflat/Make.defs
View File

@ -41,7 +41,7 @@ BINFMT_CSRCS += nxflat.c
# NXFLAT library # NXFLAT library
BINFMT_CSRCS = libnxflat_init.c libnxflat_uninit.c libnxflat_load.c \ BINFMT_CSRCS += libnxflat_init.c libnxflat_uninit.c libnxflat_load.c \
libnxflat_unload.c libnxflat_verify.c libnxflat_read.c \ libnxflat_unload.c libnxflat_verify.c libnxflat_read.c \
libnxflat_bind.c libnxflat_bind.c

4
binfmt/nxflat.c
View File

@ -158,7 +158,7 @@ static int nxflat_loadbinary(struct binary_s *binp)
nxflat_dumploadinfo(&loadinfo); nxflat_dumploadinfo(&loadinfo);
if (ret != 0) if (ret != 0)
{ {
bdbg("Failed to initialize for load of NXFLT program: %d\n", ret); bdbg("Failed to initialize for load of NXFLAT program: %d\n", ret);
goto errout; goto errout;
} }
@ -168,7 +168,7 @@ static int nxflat_loadbinary(struct binary_s *binp)
nxflat_dumploadinfo(&loadinfo); nxflat_dumploadinfo(&loadinfo);
if (ret != 0) if (ret != 0)
{ {
bdbg("Failed to load NXFLT program binary: %d\n", ret); bdbg("Failed to load NXFLAT program binary: %d\n", ret);
goto errout_with_init; goto errout_with_init;
} }

12
include/elf.h
View File

@ -166,9 +166,9 @@
/* Definitions for Elf32_Sym::st_info */ /* Definitions for Elf32_Sym::st_info */
#define ELF32_ST_BIND(i) ((i)>>4) #define ELF32_ST_BIND(i) ((i) >> 4)
#define ELF32_ST_TYPE(i) ((i)&0xf) #define ELF32_ST_TYPE(i) ((i) & 0xf)
#define ELF32_ST_INFO(b,t) (((b)<<4)+((t)&0xf)) #define ELF32_ST_INFO(b,t) (((b) << 4) | ((t) & 0xf))
/* Figure 4-16: Symbol Binding, ELF32_ST_BIND */ /* Figure 4-16: Symbol Binding, ELF32_ST_BIND */
@ -190,9 +190,9 @@
/* Definitions for Elf32_Rel*::r_info */ /* Definitions for Elf32_Rel*::r_info */
#define ELF32_R_SYM(i) ((i)>>8) #define ELF32_R_SYM(i) ((i) >> 8)
#define ELF32_R_TYPE(i) ((unsigned char)(i)) #define ELF32_R_TYPE(i) ((i) & 0xff)
#define ELF32_R_INFO(s,t) (((s)<<8)+(unsigned char)(t)) #define ELF32_R_INFO(s,t) (((s)<< 8) | ((t) & 0xff))
/* Figure 5-2: Segment Types, p_type */ /* Figure 5-2: Segment Types, p_type */

2
tools/mkconfig.c
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@ -116,7 +116,7 @@ int main(int argc, char **argv, char **envp)
printf(" * configured (at present, NXFLAT is the only supported binary.\n"); printf(" * configured (at present, NXFLAT is the only supported binary.\n");
printf(" * format).\n"); printf(" * format).\n");
printf(" */\n\n"); printf(" */\n\n");
printf("#if !defined(CONFIG_NXFLAT)\n"); printf("#if !defined(CONFIG_NXFLAT) && !defined(CONFIG_ELF)\n");
printf("# undef CONFIG_BINFMT_DISABLE\n"); printf("# undef CONFIG_BINFMT_DISABLE\n");
printf("# define CONFIG_BINFMT_DISABLE 1\n"); printf("# define CONFIG_BINFMT_DISABLE 1\n");
printf("#endif\n\n"); printf("#endif\n\n");