update the GNU GCC link script.
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1284 bbd45198-f89e-11dd-88c7-29a3b14d5316
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@ -24,6 +24,7 @@ SECTIONS
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*(.rodata*)
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*(.glue_7)
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*(.glue_7t)
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*(.ARM.extab* .gnu.linkonce.armextab.*)
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/* section information for finsh shell */
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. = ALIGN(4);
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@ -36,15 +37,21 @@ SECTIONS
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__vsymtab_end = .;
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. = ALIGN(4);
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. = ALIGN(4);
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_etext = .;
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/* This is used by the startup in order to initialize the .data secion */
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_sidata = _etext;
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} > CODE = 0
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/* .data section which is used for initialized data */
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/* .ARM.exidx is sorted, so has to go in its own output section. */
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__exidx_start = .;
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.ARM.exidx :
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{
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*(.ARM.exidx* .gnu.linkonce.armexidx.*)
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/* This is used by the startup in order to initialize the .data secion */
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_sidata = .;
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} > CODE
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__exidx_end = .;
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/* .data section which is used for initialized data */
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.data : AT (_sidata)
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{
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. = ALIGN(4);
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@ -1,9 +1,8 @@
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# toolchains options
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ARCH='arm'
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CPU='lm3s'
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CROSS_TOOL = 'keil'
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CROSS_TOOL = 'gcc'
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if CROSS_TOOL == 'gcc':
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PLATFORM = 'gcc'
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EXEC_PATH = 'E:/Program Files/CodeSourcery/Sourcery G++ Lite/bin'
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@ -25,7 +24,7 @@ if PLATFORM == 'gcc':
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OBJCPY = PREFIX + 'objcopy'
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DEVICE = ' -mcpu=cortex-m3 -mthumb'
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CFLAGS = DEVICE + ' -Dsourcerygxx'
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CFLAGS = DEVICE + ' -Dsourcerygxx -ffunction-sections -fdata-sections'
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AFLAGS = ' -c' + DEVICE + ' -x assembler-with-cpp'
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LFLAGS = DEVICE + ' -Wl,--gc-sections,-Map=rtthread-lm3s.map,-cref,-u,Reset_Handler -T lm3s_rom.ld'
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