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author | Gabe Black <gblack@eecs.umich.edu> | 2006-08-11 20:27:22 -0400 |
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committer | Gabe Black <gblack@eecs.umich.edu> | 2006-08-11 20:27:22 -0400 |
commit | fb35d474a58dcc55da589c925d240b4bd1935646 (patch) | |
tree | 7b57f8cf514a6c59875b412782819832ca09c946 /src/base/loader/elf_object.cc | |
parent | 1f44717732028a2491177816264a91f0690254c3 (diff) | |
download | gem5-fb35d474a58dcc55da589c925d240b4bd1935646.tar.xz |
Added code to support setting up all of the auxillieary vectors configured by the sparc linux elf loader.
src/arch/sparc/process.cc:
All of the auxilliary vectors are now set like they are in the linux elf loader. This code should probably be moved to arch/sparc/linux/process.cc somehow.
--HG--
extra : convert_revision : 4a90cacf70b1032cad3f18b0f833a6df8237e0de
Diffstat (limited to 'src/base/loader/elf_object.cc')
-rw-r--r-- | src/base/loader/elf_object.cc | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/src/base/loader/elf_object.cc b/src/base/loader/elf_object.cc index 00d218b76..2ca0d4f4a 100644 --- a/src/base/loader/elf_object.cc +++ b/src/base/loader/elf_object.cc @@ -153,8 +153,38 @@ ElfObject::tryFile(const string &fname, int fd, size_t len, uint8_t *data) } // while sections } + ElfObject * result = new ElfObject(fname, fd, len, data, arch, opSys); + + //The number of headers in the file + result->_programHeaderCount = ehdr.e_phnum; + //Record the size of each entry + result->_programHeaderSize = ehdr.e_phentsize; + if(result->_programHeaderCount) //If there is a program header table + { + //Figure out the virtual address of the header table in the + //final memory image. We use the program headers themselves + //to translate from a file offset to the address in the image. + GElf_Phdr phdr; + uint64_t e_phoff = ehdr.e_phoff; + result->_programHeaderTable = 0; + for(int hdrnum = 0; hdrnum < result->_programHeaderCount; hdrnum++) + { + gelf_getphdr(elf, hdrnum, &phdr); + //Check if we've found the segment with the headers in it + if(phdr.p_offset <= e_phoff && + phdr.p_offset + phdr.p_filesz > e_phoff) + { + result->_programHeaderTable = phdr.p_vaddr + e_phoff; + break; + } + } + } + else + result->_programHeaderTable = 0; + + elf_end(elf); - return new ElfObject(fname, fd, len, data, arch, opSys); + return result; } } |