aboutsummaryrefslogtreecommitdiffstats
path: root/support/ld/common_ram.inc
diff options
context:
space:
mode:
Diffstat (limited to 'support/ld/common_ram.inc')
-rw-r--r--support/ld/common_ram.inc221
1 files changed, 221 insertions, 0 deletions
diff --git a/support/ld/common_ram.inc b/support/ld/common_ram.inc
new file mode 100644
index 0000000..be83e84
--- /dev/null
+++ b/support/ld/common_ram.inc
@@ -0,0 +1,221 @@
+/* Linker script for STM32 (by Lanchon with Mods by LeafLabs) */
+
+OUTPUT_FORMAT ("elf32-littlearm", "elf32-bigarm", "elf32-littlearm")
+SEARCH_DIR(.)
+/*
+ * Link against libgcc, libc, and libm
+ */
+GROUP(libgcc.a libc.a libm.a)
+
+/* These force the linker to search for particular symbols from
+ * the start of the link process and thus ensure the user's
+ * overrides are picked up
+ */
+INCLUDE names.inc
+
+/* STM32 vector table. See stm32_vector_table.S */
+EXTERN(__cs3_stm32_vector_table)
+
+/* libcs3 C start function. See cs3.h */
+EXTERN(__cs3_start_c)
+
+/* main entry point */
+EXTERN(main)
+
+/* Initial stack pointer value. */
+EXTERN(__cs3_stack)
+PROVIDE(__cs3_stack = __cs3_region_start_ram + __cs3_region_size_ram);
+
+/* Reset vector and chip reset entry point. See start.S */
+EXTERN(_start)
+ENTRY(_start)
+PROVIDE(__cs3_reset = _start);
+
+/* Beginning of the heap */
+PROVIDE(__cs3_heap_start = _end);
+
+/* End of the heap */
+PROVIDE(__cs3_heap_end = __cs3_region_start_ram + LENGTH(ram));
+
+
+SECTIONS
+{
+ .text :
+ {
+ CREATE_OBJECT_SYMBOLS
+ __cs3_region_start_ram = .;
+ *(.cs3.region-head.ram)
+
+ /*
+ * STM32 vector table
+ */
+ __cs3_interrupt_vector = __cs3_stm32_vector_table;
+ *(.cs3.interrupt_vector)
+ /* Make sure we pulled in an interrupt vector. */
+ ASSERT (. != __cs3_stm32_vector_table, "No interrupt vector");
+
+ /*
+ * Program code and vague linking
+ */
+ *(.text .text.* .gnu.linkonce.t.*)
+ *(.plt)
+ *(.gnu.warning)
+ *(.glue_7t) *(.glue_7) *(.vfp11_veneer)
+
+ *(.rodata .rodata.* .gnu.linkonce.r.*)
+
+ *(.ARM.extab* .gnu.linkonce.armextab.*)
+ *(.gcc_except_table)
+ *(.eh_frame_hdr)
+ *(.eh_frame)
+
+ . = ALIGN(4);
+ KEEP(*(.init))
+
+ . = ALIGN(4);
+ __preinit_array_start = .;
+ KEEP (*(.preinit_array))
+ __preinit_array_end = .;
+
+ . = ALIGN(4);
+ __init_array_start = .;
+ KEEP (*(SORT(.init_array.*)))
+ KEEP (*(.init_array))
+ __init_array_end = .;
+
+ . = ALIGN(0x4);
+ KEEP (*crtbegin.o(.ctors))
+ KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))
+ KEEP (*(SORT(.ctors.*)))
+ KEEP (*crtend.o(.ctors))
+
+ . = ALIGN(4);
+ KEEP(*(.fini))
+
+ . = ALIGN(4);
+ __fini_array_start = .;
+ KEEP (*(.fini_array))
+ KEEP (*(SORT(.fini_array.*)))
+ __fini_array_end = .;
+
+ KEEP (*crtbegin.o(.dtors))
+ KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
+ KEEP (*(SORT(.dtors.*)))
+ KEEP (*crtend.o(.dtors))
+
+ . = ALIGN(4);
+ __cs3_regions = .;
+ LONG (0)
+ LONG (__cs3_region_init_ram)
+ LONG (__cs3_region_start_ram)
+ LONG (__cs3_region_init_size_ram)
+ LONG (__cs3_region_zero_size_ram)
+ } > ram
+
+ /*
+ * .ARM.exidx exception unwinding
+ */
+ __exidx_start = .;
+ .ARM.exidx :
+ {
+ *(.ARM.exidx* .gnu.linkonce.armexidx.*)
+ } > ram
+ __exidx_end = .;
+
+ /*
+ * End of text
+ */
+ .text.align :
+ {
+ . = ALIGN(8);
+ _etext = .;
+ } > ram
+
+ .cs3.rom :
+ {
+ __cs3_region_start_rom = .;
+ *(.cs3.region-head.rom)
+ *(.rom)
+ . = ALIGN (8);
+ } >ram
+
+ .cs3.rom.bss :
+ {
+ *(.rom.b)
+ . = ALIGN (8);
+ } >ram
+ /* __cs3_region_end_rom is deprecated */
+ __cs3_region_end_rom = __cs3_region_start_rom + LENGTH(ram);
+ __cs3_region_size_rom = LENGTH(ram);
+ __cs3_region_init_rom = LOADADDR (.cs3.rom);
+ __cs3_region_init_size_rom = SIZEOF(.cs3.rom);
+ __cs3_region_zero_size_rom = SIZEOF(.cs3.rom.bss);
+
+ /*
+ * Start of data
+ */
+ .data :
+ {
+ KEEP(*(.jcr))
+ *(.got.plt) *(.got)
+ *(.shdata)
+ *(.data .data.* .gnu.linkonce.d.*)
+ *(.ram)
+ . = ALIGN (8);
+ _edata = .;
+ } > ram
+
+ .bss :
+ {
+ *(.shbss)
+ *(.bss .bss.* .gnu.linkonce.b.*)
+ *(COMMON)
+ *(.ram.b)
+ . = ALIGN (8);
+ _end = .;
+ __end = .;
+ } > ram
+
+ /* __cs3_region_end_ram is deprecated */
+ __cs3_region_end_ram = __cs3_region_start_ram + LENGTH(ram);
+ __cs3_region_size_ram = LENGTH(ram);
+ __cs3_region_init_ram = LOADADDR (.text);
+ __cs3_region_init_size_ram = _edata - ADDR (.text);
+ __cs3_region_zero_size_ram = _end - _edata;
+ __cs3_region_num = 1;
+
+ /*
+ * Debugging sections
+ */
+ .stab 0 (NOLOAD) : { *(.stab) }
+ .stabstr 0 (NOLOAD) : { *(.stabstr) }
+ /* 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) }
+ .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) }
+
+ .note.gnu.arm.ident 0 : { KEEP (*(.note.gnu.arm.ident)) }
+ .ARM.attributes 0 : { KEEP (*(.ARM.attributes)) }
+ /DISCARD/ : { *(.note.GNU-stack) }
+}