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Add file size to ELF symbol labelling start of a binary file. 

gold/
	* binary.cc (Binary_to_elf::sized_convert): Add size to _start symbol.
	(Binary_to_elf::write_symbol): Add st_size parameter.
	* binary.h (Binary_to_elf::write_symbol): Add st_size parameter.
This commit is contained in:
Cary Coutant 2014-11-25 14:33:51 -08:00
parent c924eb67e1
commit 43b64debe3
3 changed files with 16 additions and 8 deletions
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6
gold/ChangeLog
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@ -1,3 +1,9 @@
2014-11-25 Cary Coutant <ccoutant@google.com>
* binary.cc (Binary_to_elf::sized_convert): Add size to _start symbol.
(Binary_to_elf::write_symbol): Add st_size parameter.
* binary.h (Binary_to_elf::write_symbol): Add st_size parameter.
2014-11-25 Cary Coutant <ccoutant@google.com>
PR gold/17639

15
gold/binary.cc
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@ -235,12 +235,12 @@ Binary_to_elf::sized_convert(const Task* task)
pout += aligned_filesize - filesize;
}
this->write_symbol<size, big_endian>("", &strtab, 0, 0, &pout);
this->write_symbol<size, big_endian>(start_symbol_name, &strtab, 0, 1,
&pout);
this->write_symbol<size, big_endian>(end_symbol_name, &strtab, filesize, 1,
&pout);
this->write_symbol<size, big_endian>(size_symbol_name, &strtab, filesize,
this->write_symbol<size, big_endian>("", &strtab, 0, 0, 0, &pout);
this->write_symbol<size, big_endian>(start_symbol_name, &strtab, 0, filesize,
1, &pout);
this->write_symbol<size, big_endian>(end_symbol_name, &strtab, filesize, 0,
1, &pout);
this->write_symbol<size, big_endian>(size_symbol_name, &strtab, filesize, 0,
elfcpp::SHN_ABS, &pout);
strtab.write_to_buffer(pout, strtab.get_strtab_size());
@ -343,6 +343,7 @@ Binary_to_elf::write_symbol(
const std::string& name,
const Stringpool* strtab,
section_size_type value,
typename elfcpp::Elf_types<32>::Elf_WXword st_size,
unsigned int shndx,
unsigned char** ppout)
{
@ -351,7 +352,7 @@ Binary_to_elf::write_symbol(
elfcpp::Sym_write<size, big_endian> osym(pout);
osym.put_st_name(name.empty() ? 0 : strtab->get_offset(name.c_str()));
osym.put_st_value(value);
osym.put_st_size(0);
osym.put_st_size(st_size);
osym.put_st_info(name.empty() ? elfcpp::STB_LOCAL : elfcpp::STB_GLOBAL,
elfcpp::STT_NOTYPE);
osym.put_st_other(elfcpp::STV_DEFAULT, 0);

3
gold/binary.h
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@ -95,7 +95,8 @@ class Binary_to_elf
template<int size, bool big_endian>
void
write_symbol(const std::string&, const Stringpool_template<char>*,
section_size_type, unsigned int, unsigned char**);
section_size_type, typename elfcpp::Elf_types<32>::Elf_WXword,
unsigned int, unsigned char**);
// The ELF machine code of the file to create.
elfcpp::EM elf_machine_;