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author | Gabe Black <gblack@eecs.umich.edu> | 2007-01-22 22:31:48 -0800 |
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committer | Gabe Black <gblack@eecs.umich.edu> | 2007-01-22 22:31:48 -0800 |
commit | 1352e55ceb2d78a9a36451636b672cd6daf8550e (patch) | |
tree | d7c797f46cd00cc76628a4a65329f2f2dd966cbe /src/base | |
parent | 45c3f1747c78aff3495edfe2cbe35fbb7a67f2a4 (diff) | |
parent | 60eaa03d72a13863596e64343d7407af1cab51c5 (diff) | |
download | gem5-1352e55ceb2d78a9a36451636b672cd6daf8550e.tar.xz |
Merge zizzer.eecs.umich.edu:/bk/newmem
into ewok.(none):/home/gblack/m5/newmemo3
src/sim/byteswap.hh:
Hand Merge
--HG--
extra : convert_revision : 640d33ad0c416934e8a5107768e7f1dce6709ca8
Diffstat (limited to 'src/base')
-rw-r--r-- | src/base/loader/elf_object.cc | 38 | ||||
-rw-r--r-- | src/base/loader/elf_object.hh | 2 | ||||
-rw-r--r-- | src/base/loader/object_file.cc | 6 | ||||
-rw-r--r-- | src/base/loader/object_file.hh | 2 | ||||
-rw-r--r-- | src/base/loader/raw_object.cc | 8 |
5 files changed, 52 insertions, 4 deletions
diff --git a/src/base/loader/elf_object.cc b/src/base/loader/elf_object.cc index 7339507f6..d59affe85 100644 --- a/src/base/loader/elf_object.cc +++ b/src/base/loader/elf_object.cc @@ -340,3 +340,41 @@ ElfObject::loadLocalSymbols(SymbolTable *symtab, Addr addrMask) { return loadSomeSymbols(symtab, STB_LOCAL); } + +bool +ElfObject::isDynamic() +{ + Elf *elf; + int sec_idx = 1; // there is a 0 but it is nothing, go figure + Elf_Scn *section; + GElf_Shdr shdr; + + GElf_Ehdr ehdr; + + // check that header matches library version + if (elf_version(EV_CURRENT) == EV_NONE) + panic("wrong elf version number!"); + + // get a pointer to elf structure + elf = elf_memory((char*)fileData,len); + assert(elf != NULL); + + // Check that we actually have a elf file + if (gelf_getehdr(elf, &ehdr) ==0) { + panic("Not ELF, shouldn't be here"); + } + + // Get the first section + section = elf_getscn(elf, sec_idx); + + // While there are no more sections + while (section != NULL) { + gelf_getshdr(section, &shdr); + if (!strcmp(".interp", elf_strptr(elf, ehdr.e_shstrndx, shdr.sh_name))) + return true; + section = elf_getscn(elf, ++sec_idx); + } // while sections + return false; +} + + diff --git a/src/base/loader/elf_object.hh b/src/base/loader/elf_object.hh index fb728b3c5..d909140f3 100644 --- a/src/base/loader/elf_object.hh +++ b/src/base/loader/elf_object.hh @@ -58,6 +58,8 @@ class ElfObject : public ObjectFile virtual bool loadLocalSymbols(SymbolTable *symtab, Addr addrMask = std::numeric_limits<Addr>::max()); + virtual bool isDynamic(); + static ObjectFile *tryFile(const std::string &fname, int fd, size_t len, uint8_t *data); Addr programHeaderTable() {return _programHeaderTable;} diff --git a/src/base/loader/object_file.cc b/src/base/loader/object_file.cc index ad2cd34ba..da5aa9552 100644 --- a/src/base/loader/object_file.cc +++ b/src/base/loader/object_file.cc @@ -150,3 +150,9 @@ createObjectFile(const string &fname, bool raw) munmap(fileData, len); return NULL; } + +bool +ObjectFile::isDynamic() +{ + return false; +} diff --git a/src/base/loader/object_file.hh b/src/base/loader/object_file.hh index 6e98332c5..18e6482be 100644 --- a/src/base/loader/object_file.hh +++ b/src/base/loader/object_file.hh @@ -83,6 +83,8 @@ class ObjectFile virtual bool loadLocalSymbols(SymbolTable *symtab, Addr addrMask = std::numeric_limits<Addr>::max()) = 0; + virtual bool isDynamic(); + Arch getArch() const { return arch; } OpSys getOpSys() const { return opSys; } diff --git a/src/base/loader/raw_object.cc b/src/base/loader/raw_object.cc index 2a52b0d6e..d002d9005 100644 --- a/src/base/loader/raw_object.cc +++ b/src/base/loader/raw_object.cc @@ -63,19 +63,19 @@ RawObject::RawObject(const std::string &_filename, int _fd, size_t _len, bool RawObject::loadGlobalSymbols(SymbolTable *symtab, Addr addrMask) { - int fnameStart = filename.rfind('/',filename.size()) + 1; +/* int fnameStart = filename.rfind('/',filename.size()) + 1; int extStart = filename.rfind('.',filename.size()); symtab->insert(text.baseAddr & addrMask, filename.substr(fnameStart, - extStart-fnameStart) + "_start"); + extStart-fnameStart) + "_start");*/ return true; } bool RawObject::loadLocalSymbols(SymbolTable *symtab, Addr addrMask) { - int fnameStart = filename.rfind('/',filename.size()) + 1; +/* int fnameStart = filename.rfind('/',filename.size()) + 1; int extStart = filename.rfind('.',filename.size()); symtab->insert(text.baseAddr & addrMask, filename.substr(fnameStart, - extStart-fnameStart) + "_start"); + extStart-fnameStart) + "_start");*/ return true; } |