update the GNU GCC link script.

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1284 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
bernard.xiong 2011-02-21 06:40:59 +00:00
parent 88b3199266
commit 4853d4f54a
2 changed files with 100 additions and 94 deletions

View File

@ -6,111 +6,118 @@
/* Program Entry, set to mark it as "used" and avoid gc */
MEMORY
{
CODE (rx) : ORIGIN = 0x00000000, LENGTH = 0x00040000
DATA (rw) : ORIGIN = 0x20000000, LENGTH = 0x00010000
CODE (rx) : ORIGIN = 0x00000000, LENGTH = 0x00040000
DATA (rw) : ORIGIN = 0x20000000, LENGTH = 0x00010000
}
ENTRY(Reset_Handler)
SECTIONS
{
.text :
{
. = ALIGN(4);
KEEP(*(.isr_vector)) /* Startup code */
. = ALIGN(4);
*(.text) /* remaining code */
*(.text.*) /* remaining code */
*(.rodata) /* read-only data (constants) */
*(.rodata*)
*(.glue_7)
*(.glue_7t)
.text :
{
. = ALIGN(4);
KEEP(*(.isr_vector)) /* Startup code */
. = ALIGN(4);
*(.text) /* remaining code */
*(.text.*) /* remaining code */
*(.rodata) /* read-only data (constants) */
*(.rodata*)
*(.glue_7)
*(.glue_7t)
*(.ARM.extab* .gnu.linkonce.armextab.*)
/* section information for finsh shell */
. = ALIGN(4);
__fsymtab_start = .;
KEEP(*(FSymTab))
__fsymtab_end = .;
. = ALIGN(4);
__vsymtab_start = .;
KEEP(*(VSymTab))
__vsymtab_end = .;
. = ALIGN(4);
/* section information for finsh shell */
. = ALIGN(4);
__fsymtab_start = .;
KEEP(*(FSymTab))
__fsymtab_end = .;
. = ALIGN(4);
__vsymtab_start = .;
KEEP(*(VSymTab))
__vsymtab_end = .;
. = ALIGN(4);
. = ALIGN(4);
_etext = .;
_etext = .;
} > CODE = 0
/* This is used by the startup in order to initialize the .data secion */
_sidata = _etext;
} > CODE = 0
/* .ARM.exidx is sorted, so has to go in its own output section. */
__exidx_start = .;
.ARM.exidx :
{
*(.ARM.exidx* .gnu.linkonce.armexidx.*)
/* .data section which is used for initialized data */
/* This is used by the startup in order to initialize the .data secion */
_sidata = .;
} > CODE
__exidx_end = .;
.data : AT (_sidata)
{
. = ALIGN(4);
/* This is used by the startup in order to initialize the .data secion */
_sdata = . ;
/* .data section which is used for initialized data */
.data : AT (_sidata)
{
. = ALIGN(4);
/* This is used by the startup in order to initialize the .data secion */
_sdata = . ;
*(.data)
*(.data.*)
*(.data)
*(.data.*)
. = ALIGN(4);
/* This is used by the startup in order to initialize the .data secion */
_edata = . ;
} >DATA
. = ALIGN(4);
/* This is used by the startup in order to initialize the .data secion */
_edata = . ;
} >DATA
__bss_start = .;
.bss :
{
. = ALIGN(4);
/* This is used by the startup in order to initialize the .bss secion */
_sbss = .;
__bss_start = .;
.bss :
{
. = ALIGN(4);
/* This is used by the startup in order to initialize the .bss secion */
_sbss = .;
*(.bss)
*(COMMON)
*(.bss)
*(COMMON)
. = ALIGN(4);
/* This is used by the startup in order to initialize the .bss secion */
_ebss = . ;
_estack = .;
. = ALIGN(4);
/* This is used by the startup in order to initialize the .bss secion */
_ebss = . ;
_estack = .;
*(.bss.init)
} > DATA
__bss_end = .;
*(.bss.init)
} > DATA
__bss_end = .;
_end = .;
_end = .;
/* Stabs debugging sections. */
.stab 0 : { *(.stab) }
.stabstr 0 : { *(.stabstr) }
.stab.excl 0 : { *(.stab.excl) }
.stab.exclstr 0 : { *(.stab.exclstr) }
.stab.index 0 : { *(.stab.index) }
.stab.indexstr 0 : { *(.stab.indexstr) }
.comment 0 : { *(.comment) }
/* DWARF debug sections.
* Symbols in the DWARF debugging sections are relative to the beginning
* of the section so we begin them at 0. */
/* DWARF 1 */
.debug 0 : { *(.debug) }
.line 0 : { *(.line) }
/* GNU DWARF 1 extensions */
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.debug_sfnames 0 : { *(.debug_sfnames) }
/* DWARF 1.1 and DWARF 2 */
.debug_aranges 0 : { *(.debug_aranges) }
.debug_pubnames 0 : { *(.debug_pubnames) }
/* DWARF 2 */
.debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) }
.debug_abbrev 0 : { *(.debug_abbrev) }
.debug_line 0 : { *(.debug_line) }
.debug_frame 0 : { *(.debug_frame) }
.debug_str 0 : { *(.debug_str) }
.debug_loc 0 : { *(.debug_loc) }
.debug_macinfo 0 : { *(.debug_macinfo) }
/* SGI/MIPS DWARF 2 extensions */
.debug_weaknames 0 : { *(.debug_weaknames) }
.debug_funcnames 0 : { *(.debug_funcnames) }
.debug_typenames 0 : { *(.debug_typenames) }
.debug_varnames 0 : { *(.debug_varnames) }
/* Stabs debugging sections. */
.stab 0 : { *(.stab) }
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.stab.index 0 : { *(.stab.index) }
.stab.indexstr 0 : { *(.stab.indexstr) }
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/* DWARF debug sections.
* Symbols in the DWARF debugging sections are relative to the beginning
* of the section so we begin them at 0. */
/* DWARF 1 */
.debug 0 : { *(.debug) }
.line 0 : { *(.line) }
/* GNU DWARF 1 extensions */
.debug_srcinfo 0 : { *(.debug_srcinfo) }
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/* DWARF 1.1 and DWARF 2 */
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/* DWARF 2 */
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.debug_str 0 : { *(.debug_str) }
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/* SGI/MIPS DWARF 2 extensions */
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}

View File

@ -1,9 +1,8 @@
# toolchains options
ARCH='arm'
CPU='lm3s'
CROSS_TOOL = 'keil'
CROSS_TOOL = 'gcc'
if CROSS_TOOL == 'gcc':
PLATFORM = 'gcc'
EXEC_PATH = 'E:/Program Files/CodeSourcery/Sourcery G++ Lite/bin'
@ -25,7 +24,7 @@ if PLATFORM == 'gcc':
OBJCPY = PREFIX + 'objcopy'
DEVICE = ' -mcpu=cortex-m3 -mthumb'
CFLAGS = DEVICE + ' -Dsourcerygxx'
CFLAGS = DEVICE + ' -Dsourcerygxx -ffunction-sections -fdata-sections'
AFLAGS = ' -c' + DEVICE + ' -x assembler-with-cpp'
LFLAGS = DEVICE + ' -Wl,--gc-sections,-Map=rtthread-lm3s.map,-cref,-u,Reset_Handler -T lm3s_rom.ld'