/*----------------------------------------------------------------------
----------------------------------------------------------------------*/
-LIBGOBLIN_ELF_DYNSYM_EXTERN
-int
- ELF64_DynSym_ReadSection(
+DynSym_Version *
+ ELF64_DynSym_GenerateDynSymVersion(
+ DWord *dw_maxver,
LibGoblin_BinaryInfo *p_binfo )
{
Byte *pb_gnuver_r;
Byte *pb_dynstr;
Byte *pb_now;
int i_bid;
- DWord dw_cnt;
+ DWord dw_vermax = 0;
DWord dw_symbols;
DWord dw_next;
Elf64_Shdr *p_shdr;
Elf64_Verneed *p_verneed;
Elf64_Vernaux *p_vernaux;
- DynSym_Version *p_version;
+ DynSym_Version *p_version = NULL;
DynSym_Version *p_vertemp;
LibGoblin_SectionInfo *psec_gnuver_r;
LibGoblin_SectionInfo *psec_dynsym;
// Check exist .dynsym section ---
psec_dynsym = LibGoblin_Section_GetSectionInfo_fid(
p_binfo, LIBGOBLIN_SECTION_ID_DYNSYM );
- if( NULL == psec_dynsym ) {
- return 0x00;
- }
+ if( NULL == psec_dynsym )
+ { goto goto_ELF64_DynSym_GenerateDynSymVersion_post; }
p_shdr = (Elf64_Shdr *)(psec_dynsym->pb_sechdr);
assert( NULL != p_shdr );
psec_dynstr = LibGoblin_Section_GetSectionInfo_fid(
p_binfo, LIBGOBLIN_SECTION_ID_DYNSTR );
- if( NULL == psec_dynstr ) {
- return 0x00;
- }
+ if( NULL == psec_dynstr )
+ { goto goto_ELF64_DynSym_GenerateDynSymVersion_post; }
pb_dynstr = psec_dynstr->pb_data;
+ psec_gnuver_r = LibGoblin_Section_GetSectionInfo_fid(
+ p_binfo, LIBGOBLIN_SECTION_ID_GNU_VERSION_R );
+ if( NULL == psec_gnuver_r )
+ { goto goto_ELF64_DynSym_GenerateDynSymVersion_post; }
+ pb_gnuver_r = psec_gnuver_r->pb_data;
+
// Alloc Temp. DynSym Version Struct ---
dw_symbols = (DWord)p_shdr->sh_size / (DWord)p_shdr->sh_entsize;
p_version = (DynSym_Version *)malloc( sizeof(DynSym_Version) * dw_symbols );
- if( NULL == p_version ) {
- return -0x01;
- }
+ if( NULL == p_version )
+ { goto goto_ELF64_DynSym_GenerateDynSymVersion_post; }
memset( p_version, 0x00, (sizeof(DynSym_Version) * dw_symbols) );
- // Read .gnu.version_r for Temp-Data
- // Read Pass1 - Check max vna_other value.
- psec_gnuver_r = LibGoblin_Section_GetSectionInfo_fid(
- p_binfo, LIBGOBLIN_SECTION_ID_GNU_VERSION_R );
- if( NULL == psec_gnuver_r )
- { goto goto_ELF64_DynSym_ReadSection_phase2; }
- pb_gnuver_r = psec_gnuver_r->pb_data;
-
- dw_next = 0;
- dw_cnt = 0;
+ // Read .gnu.version_r for Temp-Data --------------------------------
+ dw_next = 0;
p_vertemp = p_version;
pb_now = pb_gnuver_r;
do {
p_verneed = (Elf64_Verneed *)pb_now;
p_vernaux = (Elf64_Vernaux *)(pb_now + p_verneed->vn_aux);
- i_bid = BinInfo_SearchFilename( (char *)(pb_dynstr + p_verneed->vn_file), p_binfo );
+ i_bid = BinInfo_SearchFilename(
+ (char *)(pb_dynstr + p_verneed->vn_file), p_binfo );
p_vertemp->pv_verneed = (void *)p_verneed;
p_vertemp->pv_vernaux = (void *)p_vernaux;
p_vertemp->i_binfo_id = i_bid;
p_vertemp++;
- dw_cnt++;
- if( dw_cnt >= dw_symbols ) {
- goto goto_ELF64_DynSym_ReadSection_err;
- }
+ dw_vermax++;
+ if( dw_vermax >= dw_symbols )
+ { goto goto_ELF64_DynSym_GenerateDynSymVersion_post; }
/*
printf(" [Verneed] vn_version= %d, vn_cnt= %d, vn_file= %s, binfo= %d\n",
dw_next = p_verneed->vn_next;
} while( 0 < dw_next );
-
-
-
-goto_ELF64_DynSym_ReadSection_err:
- free( p_version );
-
-/*
- for( dw_cnt = 0; dw_cnt < dw_symbols; dw_cnt++ ) {
-
- }
-*/
+goto_ELF64_DynSym_GenerateDynSymVersion_post:
+ *dw_maxver = dw_vermax;
- // Read Pass2 - Read Data for Temp-Data
-
- // Read .dymsym & .gnu.version for ObjectInfo
+ return p_version;
+}
-goto_ELF64_DynSym_ReadSection_phase2:
-/*
- Byte *pb_symtab;
- Byte *pb_strtab;
- int i_result = 0x00;
- DWord dw_symbols;
- DWord dw_cnt;
+/*----------------------------------------------------------------------
+----------------------------------------------------------------------*/
+LIBGOBLIN_ELF_DYNSYM_EXTERN
+int
+ ELF64_DynSym_ReadSection(
+ LibGoblin_BinaryInfo *p_binfo )
+{
+ Byte *pb_dynstr;
+ //Byte *pb_now;
+ int i_bid;
+ DWord dw_cnt;
+ DWord dw_vermax;
+ DWord dw_symbols;
Elf64_Shdr *p_shdr;
- Elf64_Sym *p_sym = NULL;
- LibGoblin_SectionInfo *p_secinfo;
- LibGoblin_SectionInfo *p_secstr;
- LibGoblin_SrcFile *p_srcfile;
+ Elf64_Sym *p_sym;
+ DynSym_Version *p_version;
+ LibGoblin_SectionInfo *psec_gversion = NULL;
+ LibGoblin_SectionInfo *psec_dynsym;
+ LibGoblin_SectionInfo *psec_dynstr;
+ //LibGoblin_SrcFile *p_srcfile;
LibGoblin_ObjectInfo *p_obj;
LibGoblin_ProgramInfo *p_pginfo;
-
- assert( NULL != p_binfo );
- // Check BinaryInfo & Get SymbolEntires
- p_secinfo = LibGoblin_Section_GetSectionInfo_fid(
+
+ // Check exist .dynsym section ---
+ psec_dynsym = LibGoblin_Section_GetSectionInfo_fid(
p_binfo, LIBGOBLIN_SECTION_ID_DYNSYM );
- if( NULL == p_secinfo ) {
+ if( NULL == psec_dynsym ) {
return 0x00;
}
- pb_symtab = p_secinfo->pb_data;
+ p_shdr = (Elf64_Shdr *)(psec_dynsym->pb_sechdr);
+ assert( NULL != p_shdr );
- p_secstr = LibGoblin_Section_GetSectionInfo_fid(
- p_binfo, LIBGOBLIN_SECTION_ID_STRTAB );
- if( NULL == p_secstr ) {
+ psec_dynstr = LibGoblin_Section_GetSectionInfo_fid(
+ p_binfo, LIBGOBLIN_SECTION_ID_DYNSTR );
+ if( NULL == psec_dynstr ) {
return 0x00;
}
- pb_strtab = p_secstr->pb_data;
+ pb_dynstr = psec_dynstr->pb_data;
+
+ // Read & Generate DynSym_Version struct data ---
+ p_version = ELF64_DynSym_GenerateDynSymVersion( &dw_vermax, p_binfo );
+ if( NULL != p_version ) {
+ psec_gversion = LibGoblin_Section_GetSectionInfo_fid(
+ p_binfo, LIBGOBLIN_SECTION_ID_GNU_VERSION );
+ if( NULL == psec_gversion ) {
+ return 0x00;
+ }
- p_shdr = (Elf64_Shdr *)(p_secinfo->pb_sechdr);
- if( 0 == p_shdr->sh_entsize ) {
- return -0x02;
}
+
dw_symbols = (DWord)p_shdr->sh_size / (DWord)p_shdr->sh_entsize;
+ // Read .dymsym & .gnu.version for ObjectInfo
p_pginfo = ProgInfo_GetProgInfo( p_binfo->i_pginfo );
assert( NULL != p_pginfo );
- p_sym = (Elf64_Sym *)pb_symtab;
- for( dw_cnt = 0; ((dw_cnt < dw_symbols) && (0x00 == i_result)); dw_cnt++, p_sym++ ) {
+ p_sym = (Elf64_Sym *)psec_dynsym->pb_data;
+ for( dw_cnt = 0; dw_cnt < dw_symbols; dw_cnt++, p_sym++ ) {
+ /*
+ // NODATA symbol.
+ if(( 0x00000000 == p_sym->st_value )
+ && ( STT_NOTYPE == ELF64_ST_TYPE( p_sym->st_info ) ))
+ { continue; }
- // Source file.
+ // Source file. -- XXX: WARNING!!
if( STT_FILE == ELF64_ST_TYPE( p_sym->st_info ) ) {
p_srcfile = SrcFile_DispenseSrcFile( (char *)pb_strtab + p_sym->st_name );
assert( NULL != p_srcfile );
continue;
}
- if(( 0x00000000 == p_sym->st_value )
- && ( STT_NOTYPE == ELF64_ST_TYPE( p_sym->st_info ) ))
- { continue; }
-
// st_value - Symbol value.
// st_size - Size of associated object.
p_obj = ObjectInfo_InsetObject( p_pginfo,
// st_shndx - Section index of symbol.
p_obj->info.symbol.w_secindex = p_sym->st_shndx;
+ */
}
- if( 0x00 != i_result ) {
- return -0x04;
- }
-*/
+
+ if( NULL != p_version )
+ { free( p_version ); }
+
+
return 0x00;
}
OSDN Git Service
