how to know the value of the variables defined in link script file?

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 ========================