187 lines
4.7 KiB
Plaintext
187 lines
4.7 KiB
Plaintext
/*
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Linker script for STM32F103C8_64K_20K
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modified from
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http://www.codesourcery.com/archives/arm-gnu/msg02972.html
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http://communities.mentor.com/community/cs/archives/arm-gnu/msg02972.html
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*/
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/*
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There will be a link error if there is not this amount of RAM free at the
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end.
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*/
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_Minimum_Stack_Size = 256;
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ENTRY(Reset_Handler)
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/* Memory Spaces Definitions */
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MEMORY
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{
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RAM (rwx) : ORIGIN = 0x20000000, LENGTH = 20K
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FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 64K
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}
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__ram_start__ = ORIGIN(RAM);
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__ram_size__ = LENGTH(RAM);
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__ram_end__ = __ram_start__ + __ram_size__;
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_estack = __ram_end__;
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/* highest address of the user mode stack */
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PROVIDE ( _Stack_Limit = _estack - _Minimum_Stack_Size );
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/* Sections Definitions */
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SECTIONS
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{
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.text :
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{
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KEEP(*(.isr_vector)) /* Startup code */
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*(.text) /* code */
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*(.text.*) /* remaining code */
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*(.rodata) /* read-only data (constants) */
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*(.rodata.*)
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*(.glue_7)
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*(.glue_7t)
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*(.vfp11_veneer)
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*(.v4_bx)
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*(.ARM.extab* .gnu.linkonce.armextab.*)
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} >FLASH
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/* for exception handling/unwind - some Newlib functions (in
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common with C++ and STDC++) use this. */
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.ARM.extab :
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{
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*(.ARM.extab* .gnu.linkonce.armextab.*)
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} > FLASH
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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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} > FLASH
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__exidx_end = .;
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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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*/
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_sidata = _etext;
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/* This is the initialized data section
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The program executes knowing that the data is in the RAM
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but the loader puts the initial values in the FLASH (inidata).
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It is one task of the startup to copy the initial values from FLASH to
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RAM. */
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.data : AT ( _sidata )
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{
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. = ALIGN(4);
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/* This is used by the startup in order to initialize the .data
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secion */
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_sdata = . ;
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*(.data)
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*(.data.*)
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. = ALIGN(4);
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/* This is used by the startup in order to initialize the .data
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secion */
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_edata = . ;
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} >RAM
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/* This is the uninitialized data section */
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.bss :
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{
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. = ALIGN(4);
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/* This is used by the startup in order to initialize the .bss
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secion */
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_sbss = .;
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__bss_start__ = _sbss;
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*(.bss)
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*(.bss.*)
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*(COMMON)
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. = ALIGN(4);
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/* This is used by the startup in order to initialize the .bss
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secion */
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_ebss = . ;
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__bss_end__ = _ebss;
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} >RAM
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PROVIDE ( end = _ebss );
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PROVIDE ( _end = _ebss );
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PROVIDE ( _exit = _ebss );
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PROVIDE (_stackend = ORIGIN(RAM) + LENGTH(RAM) - _Minimum_Stack_Size);
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/* This is the user stack section
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This is just to check that there is enough RAM left for the User mode
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stack
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It should generate an error if it's full.
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*/
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._usrstack :
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{
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. = ALIGN(4);
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_susrstack = . ;
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. = . + _Minimum_Stack_Size ;
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. = ALIGN(4);
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_eusrstack = . ;
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} >RAM
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/* after that it's only debugging information. */
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/* remove the debugging information from the standard libraries */
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/*
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DISCARD :
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{
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libc.a ( * )
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libm.a ( * )
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libgcc.a ( * )
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}
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*/
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/* Stabs debugging sections. */
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.stab 0 : { *(.stab) }
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.stabstr 0 : { *(.stabstr) }
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.stab.excl 0 : { *(.stab.excl) }
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.stab.exclstr 0 : { *(.stab.exclstr) }
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.stab.index 0 : { *(.stab.index) }
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.stab.indexstr 0 : { *(.stab.indexstr) }
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.comment 0 : { *(.comment) }
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/* DWARF debug sections.
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Symbols in the DWARF debugging sections are relative to the beginning
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of the section so we begin them at 0. */
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/* DWARF 1 */
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.debug 0 : { *(.debug) }
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.line 0 : { *(.line) }
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/* GNU DWARF 1 extensions */
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.debug_srcinfo 0 : { *(.debug_srcinfo) }
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.debug_sfnames 0 : { *(.debug_sfnames) }
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/* DWARF 1.1 and DWARF 2 */
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.debug_aranges 0 : { *(.debug_aranges) }
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.debug_pubnames 0 : { *(.debug_pubnames) }
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/* DWARF 2 */
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.debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) }
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.debug_abbrev 0 : { *(.debug_abbrev) }
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.debug_line 0 : { *(.debug_line) }
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.debug_frame 0 : { *(.debug_frame) }
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.debug_str 0 : { *(.debug_str) }
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.debug_loc 0 : { *(.debug_loc) }
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.debug_macinfo 0 : { *(.debug_macinfo) }
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/* SGI/MIPS DWARF 2 extensions */
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.debug_weaknames 0 : { *(.debug_weaknames) }
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.debug_funcnames 0 : { *(.debug_funcnames) }
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.debug_typenames 0 : { *(.debug_typenames) }
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.debug_varnames 0 : { *(.debug_varnames) }
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}
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