mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-03 04:12:10 +08:00
240 lines
6.0 KiB
C++
240 lines
6.0 KiB
C++
// defstd.cc -- define standard symbols for gold.
|
|
|
|
#include "gold.h"
|
|
|
|
#include "symtab.h"
|
|
#include "defstd.h"
|
|
|
|
// This is a simple file which defines the standard symbols like
|
|
// "_end".
|
|
|
|
namespace
|
|
{
|
|
|
|
using namespace gold;
|
|
|
|
const Define_symbol_in_section in_section[] =
|
|
{
|
|
{
|
|
"__preinit_array_start", // name
|
|
".preinit_array", // output_section
|
|
0, // value
|
|
0, // size
|
|
elfcpp::STT_NOTYPE, // type
|
|
elfcpp::STB_GLOBAL, // binding
|
|
elfcpp::STV_HIDDEN, // visibility
|
|
0, // nonvis
|
|
false, // offset_is_from_end
|
|
true // only_if_ref
|
|
},
|
|
{
|
|
"__preinit_array_end", // name
|
|
".preinit_array", // output_section
|
|
0, // value
|
|
0, // size
|
|
elfcpp::STT_NOTYPE, // type
|
|
elfcpp::STB_GLOBAL, // binding
|
|
elfcpp::STV_HIDDEN, // visibility
|
|
0, // nonvis
|
|
true, // offset_is_from_end
|
|
true // only_if_ref
|
|
},
|
|
{
|
|
"__init_array_start", // name
|
|
".init_array", // output_section
|
|
0, // value
|
|
0, // size
|
|
elfcpp::STT_NOTYPE, // type
|
|
elfcpp::STB_GLOBAL, // binding
|
|
elfcpp::STV_HIDDEN, // visibility
|
|
0, // nonvis
|
|
false, // offset_is_from_end
|
|
true // only_if_ref
|
|
},
|
|
{
|
|
"__init_array_end", // name
|
|
".init_array", // output_section
|
|
0, // value
|
|
0, // size
|
|
elfcpp::STT_NOTYPE, // type
|
|
elfcpp::STB_GLOBAL, // binding
|
|
elfcpp::STV_HIDDEN, // visibility
|
|
0, // nonvis
|
|
true, // offset_is_from_end
|
|
true // only_if_ref
|
|
},
|
|
{
|
|
"__fini_array_start", // name
|
|
".fini_array", // output_section
|
|
0, // value
|
|
0, // size
|
|
elfcpp::STT_NOTYPE, // type
|
|
elfcpp::STB_GLOBAL, // binding
|
|
elfcpp::STV_HIDDEN, // visibility
|
|
0, // nonvis
|
|
false, // offset_is_from_end
|
|
true // only_if_ref
|
|
},
|
|
{
|
|
"__fini_array_end", // name
|
|
".fini_array", // output_section
|
|
0, // value
|
|
0, // size
|
|
elfcpp::STT_NOTYPE, // type
|
|
elfcpp::STB_GLOBAL, // binding
|
|
elfcpp::STV_HIDDEN, // visibility
|
|
0, // nonvis
|
|
true, // offset_is_from_end
|
|
true // only_if_ref
|
|
}
|
|
};
|
|
|
|
const int in_section_count = sizeof in_section / sizeof in_section[0];
|
|
|
|
const Define_symbol_in_segment in_segment[] =
|
|
{
|
|
{
|
|
"__executable_start", // name
|
|
elfcpp::PT_LOAD, // segment_type
|
|
elfcpp::PF(0), // segment_flags_set
|
|
elfcpp::PF(0), // segment_flags_clear
|
|
0, // value
|
|
0, // size
|
|
elfcpp::STT_NOTYPE, // type
|
|
elfcpp::STB_GLOBAL, // binding
|
|
elfcpp::STV_DEFAULT, // visibility
|
|
0, // nonvis
|
|
Symbol::SEGMENT_START, // offset_from_base
|
|
true // only_if_ref
|
|
},
|
|
{
|
|
"etext", // name
|
|
elfcpp::PT_LOAD, // segment_type
|
|
elfcpp::PF_X, // segment_flags_set
|
|
elfcpp::PF_W, // segment_flags_clear
|
|
0, // value
|
|
0, // size
|
|
elfcpp::STT_NOTYPE, // type
|
|
elfcpp::STB_GLOBAL, // binding
|
|
elfcpp::STV_DEFAULT, // visibility
|
|
0, // nonvis
|
|
Symbol::SEGMENT_END, // offset_from_base
|
|
true // only_if_ref
|
|
},
|
|
{
|
|
"_etext", // name
|
|
elfcpp::PT_LOAD, // segment_type
|
|
elfcpp::PF_X, // segment_flags_set
|
|
elfcpp::PF_W, // segment_flags_clear
|
|
0, // value
|
|
0, // size
|
|
elfcpp::STT_NOTYPE, // type
|
|
elfcpp::STB_GLOBAL, // binding
|
|
elfcpp::STV_DEFAULT, // visibility
|
|
0, // nonvis
|
|
Symbol::SEGMENT_END, // offset_from_base
|
|
true // only_if_ref
|
|
},
|
|
{
|
|
"__etext", // name
|
|
elfcpp::PT_LOAD, // segment_type
|
|
elfcpp::PF_X, // segment_flags_set
|
|
elfcpp::PF_W, // segment_flags_clear
|
|
0, // value
|
|
0, // size
|
|
elfcpp::STT_NOTYPE, // type
|
|
elfcpp::STB_GLOBAL, // binding
|
|
elfcpp::STV_DEFAULT, // visibility
|
|
0, // nonvis
|
|
Symbol::SEGMENT_END, // offset_from_base
|
|
true // only_if_ref
|
|
},
|
|
{
|
|
"_edata", // name
|
|
elfcpp::PT_LOAD, // segment_type
|
|
elfcpp::PF_X, // segment_flags_set
|
|
elfcpp::PF(0), // segment_flags_clear
|
|
0, // value
|
|
0, // size
|
|
elfcpp::STT_NOTYPE, // type
|
|
elfcpp::STB_GLOBAL, // binding
|
|
elfcpp::STV_DEFAULT, // visibility
|
|
0, // nonvis
|
|
Symbol::SEGMENT_BSS, // offset_from_base
|
|
false // only_if_ref
|
|
},
|
|
{
|
|
"edata", // name
|
|
elfcpp::PT_LOAD, // segment_type
|
|
elfcpp::PF_X, // segment_flags_set
|
|
elfcpp::PF(0), // segment_flags_clear
|
|
0, // value
|
|
0, // size
|
|
elfcpp::STT_NOTYPE, // type
|
|
elfcpp::STB_GLOBAL, // binding
|
|
elfcpp::STV_DEFAULT, // visibility
|
|
0, // nonvis
|
|
Symbol::SEGMENT_BSS, // offset_from_base
|
|
true // only_if_ref
|
|
},
|
|
{
|
|
"__bss_start", // name
|
|
elfcpp::PT_LOAD, // segment_type
|
|
elfcpp::PF_X, // segment_flags_set
|
|
elfcpp::PF(0), // segment_flags_clear
|
|
0, // value
|
|
0, // size
|
|
elfcpp::STT_NOTYPE, // type
|
|
elfcpp::STB_GLOBAL, // binding
|
|
elfcpp::STV_DEFAULT, // visibility
|
|
0, // nonvis
|
|
Symbol::SEGMENT_BSS, // offset_from_base
|
|
false // only_if_ref
|
|
},
|
|
{
|
|
"_end", // name
|
|
elfcpp::PT_LOAD, // segment_type
|
|
elfcpp::PF_X, // segment_flags_set
|
|
elfcpp::PF(0), // segment_flags_clear
|
|
0, // value
|
|
0, // size
|
|
elfcpp::STT_NOTYPE, // type
|
|
elfcpp::STB_GLOBAL, // binding
|
|
elfcpp::STV_DEFAULT, // visibility
|
|
0, // nonvis
|
|
Symbol::SEGMENT_START, // offset_from_base
|
|
false // only_if_ref
|
|
},
|
|
{
|
|
"end", // name
|
|
elfcpp::PT_LOAD, // segment_type
|
|
elfcpp::PF_X, // segment_flags_set
|
|
elfcpp::PF(0), // segment_flags_clear
|
|
0, // value
|
|
0, // size
|
|
elfcpp::STT_NOTYPE, // type
|
|
elfcpp::STB_GLOBAL, // binding
|
|
elfcpp::STV_DEFAULT, // visibility
|
|
0, // nonvis
|
|
Symbol::SEGMENT_START, // offset_from_base
|
|
false // only_if_ref
|
|
}
|
|
};
|
|
|
|
const int in_segment_count = sizeof in_segment / sizeof in_segment[0];
|
|
|
|
} // End anonymous namespace.
|
|
|
|
namespace gold
|
|
{
|
|
|
|
void
|
|
define_standard_symbols(Symbol_table* symtab, const Layout* layout,
|
|
Target* target)
|
|
{
|
|
symtab->define_symbols(layout, target, in_section_count, in_section);
|
|
symtab->define_symbols(layout, target, in_segment_count, in_segment);
|
|
}
|
|
|
|
} // End namespace gold.
|