Hi,
how to know the value of the variables defined in link script file?
for example, the following is the target.ld in ecos, could anybody know
how to extract the __xxxx values from the generated ELF file?
============== start of target.ld=====================
STARTUP(vectors.o)
ENTRY(__exception_reset)
INPUT(extras.o)
GROUP(libtarget.a libgcc.a libsupc++.a)
MEMORY
{
ram : ORIGIN = 0, LENGTH = 0x400000
}
SECTIONS
{
__reserved_vectors = 0;
. = __reserved_vectors + 0x3000;
__reserved_vsr_table = ALIGN (0x10);
. = __reserved_vsr_table + 0x200;
__reserved_virtual_table = ALIGN (0x10);
. = __reserved_virtual_table + 0x100;
__reserved_for_rom = ALIGN (0x10);
. = __reserved_for_rom + 0x1cd00;
.vectors ALIGN (0x10) : {
. = .;
KEEP(*(.vectors))
} > ram
.text ALIGN (0x4) : {
_stext = .;
*(.text*)
*(.gnu.warning)
*(.gnu.linkonce*)
*(.init)
} > ram
_etext = .;
PROVIDE (etext = .);
.fini ALIGN (0x4) : {
. = .;
*(.fini)
} > ram
.rodata1 ALIGN (0x8) : {
. = .;
*(.rodata1*)
} > ram
.rodata ALIGN (0x8) : {
. = .;
*(.rodata*)
} > ram
.fixup ALIGN (0x4) : {
__FIXUP_START__ = ABSOLUTE(.);
*(.fixup) __FIXUP_END__ = ABSOLUTE(.);
} > ram
.gcc_except_table ALIGN (0x1) : {
__EXCEPT_START__ = ABSOLUTE(.);
*(.gcc_except_table)
__EXCEPT_END__ = ABSOLUTE(.);
} > ram
.data ALIGN (0x8) : {
__ram_data_start = ABSOLUTE(.);
*(.data*)
__GOT1_START__ = ABSOLUTE(.);
*(.got1)
__GOT1_END__ = ABSOLUTE(.);
. = ALIGN(8);
__CTOR_LIST__ = ABSOLUTE(.);
KEEP(*(SORT(.ctors*)))
__CTOR_END__ = ABSOLUTE(.);
__DTOR_LIST__ = ABSOLUTE(.);
KEEP(*(SORT(.dtors*)))
__DTOR_END__ = ABSOLUTE(.);
. = ALIGN(8);
KEEP(*( SORT (.ecos.table.*))) ;
. = ALIGN(4);
*( .2ram.*) ;
__GOT2_START__ = ABSOLUTE(.);
*(.got2)
__GOT2_END__ = ABSOLUTE(.);
__GOT_START = ABSOLUTE(.);
_GLOBAL_OFFSET_TABLE_ = ABSOLUTE(. + 32768);
_SDA_BASE_ = ABSOLUTE(.);
*(.got.plt)
*(.got)
__GOT_END__ = ABSOLUTE(.);
*(.dynamic)
*(.eh_frame)
__SDATA_START__ = ABSOLUTE(.);
*(.sdata)
*(.sdata.*)
__SDATA2_START__ = ABSOLUTE(.);
*(.sdata2*)
} > ram
__rom_data_start = LOADADDR(.data);
__ram_data_end = .;
PROVIDE(__ram_data_end = .);
_edata = .;
PROVIDE (edata = .);
.sbss ALIGN (0x4) : {
__sbss_start = ABSOLUTE (.);
__SBSS_START__ = ABSOLUTE(.);
*(.sbss.*)
__SBSS_END__ = ABSOLUTE(.);
__SBSSx_START__ = ABSOLUTE(.);
*(.sbss*)
__SBSSx_END__ = ABSOLUTE(.);
*(.scommon*)
__sbss_end = ABSOLUTE (.);
} > ram
.bss ALIGN (0x10) : {
__bss_start = ABSOLUTE (.);
. = .;
*(.dynbss*)
*(.bss*)
*(COMMON)
__bss_end = ABSOLUTE (.);
} > ram
__heap1 = ALIGN (0x8);
. = ALIGN(4);
_end = .;
PROVIDE (end = .);
}
hal_vsr_table = (0x0 + 0x3000);
hal_virtual_vector_table = ((0x0 + 0x3000) + 0x200);
======================= end of target.ld ========================
