update the GNU GCC link script.

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1283 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
bernard.xiong 2011-02-21 06:39:13 +00:00
parent ceda7d874e
commit 88b3199266
3 changed files with 103 additions and 94 deletions

View File

@ -26,7 +26,7 @@ Export('rtconfig')
objs = PrepareBuilding(env, RTT_ROOT)
# STM32 firemare library building script
objs = objs + SConscript(RTT_ROOT + '/bsp/stm3210/Libraries/SConscript', variant_dir='bsp/Libraries', duplicate=0)
objs = objs + SConscript(RTT_ROOT + '/bsp/stm3210/Libraries/SConscript', variant_dir='build/bsp/Libraries', duplicate=0)
# build program
env.Program(TARGET, objs)

View File

@ -1,7 +1,7 @@
# toolchains options
ARCH='arm'
CPU='stm32'
CROSS_TOOL='keil'
CROSS_TOOL='gcc'
if CROSS_TOOL == 'gcc':
PLATFORM = 'gcc'
@ -28,7 +28,7 @@ if PLATFORM == 'gcc':
OBJDUMP = PREFIX + 'objdump'
OBJCPY = PREFIX + 'objcopy'
DEVICE = ' -mcpu=cortex-m3 -mthumb'
DEVICE = ' -mcpu=cortex-m3 -mthumb -ffunction-sections -fdata-sections'
CFLAGS = DEVICE + ' -DRT_USING_MINILIBC'
AFLAGS = ' -c' + DEVICE + ' -x assembler-with-cpp'
LFLAGS = DEVICE + ' -Wl,--gc-sections,-Map=rtthread-stm32.map,-cref,-u,Reset_Handler -T stm32_rom.ld'
@ -110,7 +110,6 @@ elif PLATFORM == 'iar':
LFLAGS = ' --config stm32f10x_flash.icf'
LFLAGS += ' --redirect _Printf=_PrintfTiny'
LFLAGS += ' --redirect _Scanf=_ScanfSmall'
# LFLAGS = ' --map I:\RTT\20110219\rt-thread\bsp\stm3210\Debug\List\project.map
LFLAGS += ' --entry __iar_program_start'
EXEC_PATH = IAR_PATH + '/arm/bin/'

View File

@ -6,111 +6,121 @@
/* Program Entry, set to mark it as "used" and avoid gc */
MEMORY
{
CODE (rx) : ORIGIN = 0x08000000, LENGTH = 0x00080000
DATA (rw) : ORIGIN = 0x20000000, LENGTH = 0x00010000
CODE (rx) : ORIGIN = 0x08000000, LENGTH = 0x00080000
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)
*(.gnu.linkonce.t*)
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__vsymtab_start = .;
KEEP(*(VSymTab))
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. = ALIGN(4);
/* section information for finsh shell */
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KEEP(*(FSymTab))
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. = ALIGN(4);
__vsymtab_start = .;
KEEP(*(VSymTab))
__vsymtab_end = .;
. = ALIGN(4);
. = ALIGN(4);
_etext = .;
. = ALIGN(4);
_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)
*(.data.*)
.data : AT (_sidata)
{
. = ALIGN(4);
/* This is used by the startup in order to initialize the .data secion */
_sdata = . ;
. = ALIGN(4);
/* This is used by the startup in order to initialize the .data secion */
_edata = . ;
} >DATA
*(.data)
*(.data.*)
*(.gnu.linkonce.d*)
__bss_start = .;
.bss :
{
. = ALIGN(4);
/* This is used by the startup in order to initialize the .bss secion */
_sbss = .;
. = ALIGN(4);
/* This is used by the startup in order to initialize the .data secion */
_edata = . ;
} >DATA
*(.bss)
*(COMMON)
__bss_start = .;
.bss :
{
. = ALIGN(4);
/* This is used by the startup in order to initialize the .bss secion */
_sbss = .;
. = ALIGN(4);
/* This is used by the startup in order to initialize the .bss secion */
_ebss = . ;
_estack = .;
*(.bss.init)
} > DATA
__bss_end = .;
*(.bss)
*(COMMON)
_end = .;
. = ALIGN(4);
/* This is used by the startup in order to initialize the .bss secion */
_ebss = . ;
_estack = .;
*(.bss.init)
} > DATA
__bss_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 */
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.debug_pubnames 0 : { *(.debug_pubnames) }
/* DWARF 2 */
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.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) }
_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) }
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.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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/* DWARF 1.1 and DWARF 2 */
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.debug_pubnames 0 : { *(.debug_pubnames) }
/* DWARF 2 */
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/* 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) }
}