diff options
Diffstat (limited to 'c/src/lib/libbsp/powerpc/qemuppc/startup/linkcmds')
| -rw-r--r-- | c/src/lib/libbsp/powerpc/qemuppc/startup/linkcmds | 229 |
1 files changed, 23 insertions, 206 deletions
diff --git a/c/src/lib/libbsp/powerpc/qemuppc/startup/linkcmds b/c/src/lib/libbsp/powerpc/qemuppc/startup/linkcmds index f8fbfab6ab..3169ad2741 100644 --- a/c/src/lib/libbsp/powerpc/qemuppc/startup/linkcmds +++ b/c/src/lib/libbsp/powerpc/qemuppc/startup/linkcmds @@ -1,221 +1,38 @@ -OUTPUT_FORMAT("elf32-powerpc", "elf32-powerpc", - "elf32-powerpc") -OUTPUT_ARCH(powerpc:common) -ENTRY(_start) -STARTUP(start.o) EXTERN(__vectors) MEMORY { - RAM : ORIGIN = 0, LENGTH = 4M + EMPTY : ORIGIN = 0, LENGTH = 0 + RAM : ORIGIN = 0x2000, LENGTH = 4M - 0x2000 ROM : ORIGIN = 0xFFC00000, LENGTH = 4M VECTORS : ORIGIN = 0xFFF00000, LENGTH = 0x20000 RESET : ORIGIN = 0xFFFFFFFC, LENGTH = 0x4 } -RamBase = DEFINED(RamBase) ? RamBase : 0x0; -RamSize = DEFINED(RamSize) ? RamSize : 4M; -HeapSize = DEFINED(HeapSize) ? HeapSize : 0; - -bsp_section_align = 32; - -SECTIONS -{ - /* Read-only sections, merged into text segment: */ - . = 0xfffc0000; -/* - .entry_point_section : - { - } =0 -*/ - - .text : - { - *(.entry_point_section) - *(.text .text.* .gnu.linkonce.t.*) - *(.eh_frame_hdr*) - *(.eh_frame*) - - /* - * Special FreeBSD sysctl sections. - */ - . = ALIGN (16); - __start_set_sysctl_set = .; - *(set_sysctl_*); - __stop_set_sysctl_set = ABSOLUTE(.); - *(set_domain_*); - *(set_pseudo_*); - - /* .gnu.warning sections are handled specially by elf32.em. */ - *(.gnu.warning) - . = ALIGN (bsp_section_align); - __text_end = .; - } >ROM =0 - .init : - { - KEEP (*(.init)) - } >ROM =0 - .fini : - { - _fini = .; - KEEP (*(.fini)) - } >ROM =0 - - /* Put .ctors and .dtors next to the .got2 section, so that the pointers - get relocated with -mrelocatable. Also put in the .fixup pointers. - The current compiler no longer needs this, but keep it around for 2.7.2 */ - PROVIDE (__GOT2_START__ = .); - PROVIDE (_GOT2_START_ = .); - .got2 : { *(.got2) } >ROM =0 - PROVIDE (__GOT2_END__ = .); - PROVIDE (_GOT2_END_ = .); - - PROVIDE (__CTOR_LIST__ = .); - .ctors : { *(.ctors) } >ROM =0 - PROVIDE (__CTOR_END__ = .); - - PROVIDE (__DTOR_LIST__ = .); - .dtors : { *(.dtors) } >ROM =0 - PROVIDE (__DTOR_END__ = .); - .jcr : { KEEP (*(.jcr)) } > ROM =0 - - .tdata : { - _TLS_Data_begin = .; - *(.tdata .tdata.* .gnu.linkonce.td.*) - _TLS_Data_end = .; - } >ROM =0 - .tbss : { - _TLS_BSS_begin = .; - *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) - _TLS_BSS_end = .; - } >ROM =0 - _TLS_Data_size = _TLS_Data_end - _TLS_Data_begin; - _TLS_Data_begin = _TLS_Data_size != 0 ? _TLS_Data_begin : _TLS_BSS_begin; - _TLS_Data_end = _TLS_Data_size != 0 ? _TLS_Data_end : _TLS_BSS_begin; - _TLS_BSS_size = _TLS_BSS_end - _TLS_BSS_begin; - _TLS_Size = _TLS_BSS_end - _TLS_Data_begin; - _TLS_Alignment = MAX (ALIGNOF (.tdata), ALIGNOF (.tbss)); - - .rodata : - { - *(.rodata .rodata.* .gnu.linkonce.r.*) - *(.rodata1) - KEEP (*(SORT(.rtemsroset.*))) - . = ALIGN (bsp_section_align); - __rodata_end = .; - } >ROM =0 - - .vectors : - { - . = . + 0x2000; /* skip vector area */ - } >RAM - - __sdata2_load = __rodata_end; - .sdata2 : AT (__sdata2_load) - { - __sdata2_start = .; - PROVIDE (_SDA2_BASE_ = 32768); - *(.sdata2 .sdata2.* .gnu.linkonce.s2.*) - . = ALIGN (bsp_section_align); - __sdata2_end = .; - } >RAM - .sbss2 : - { - __sbss2_start = .; - *(.sbss2 .sbss2.* .gnu.linkonce.sb2.*) - . = ALIGN (bsp_section_align); - __sbss2_end = .; - } >RAM - __data_load = __sdata2_load + SIZEOF (.sdata2); - .data : AT(__data_load) - { - __data_start = .; - *(.data .data.* .gnu.linkonce.d.*) - KEEP (*(SORT(.rtemsrwset.*))) - KEEP (*(.gnu.linkonce.d.*personality*)) - SORT(CONSTRUCTORS) - *(.data1) - . = ALIGN (bsp_section_align); - __data_end = .; - } >RAM - __sdata_load = __data_load + SIZEOF (.data); - .sdata : AT(__sdata_load) { - __sdata_start = .; - PROVIDE (_SDA_BASE_ = 32768); - *(.sdata .sdata.* .gnu.linkonce.s.*) - - . = ALIGN (bsp_section_align); - - _edata = .; - __sdata_end = .; - PROVIDE (edata = .); - - /* - * BSP: End of data section - */ - bsp_section_data_end = .; - } > RAM - - PROVIDE (__EXCEPT_START__ = .); - .gcc_except_table : { *(.gcc_except_table*) } >RAM - PROVIDE (__EXCEPT_END__ = .); - - .sbss : - { - __sbss_start = .; - *(.dynsbss) - *(.sbss .sbss.* .gnu.linkonce.sb.*) - *(.scommon) - . = ALIGN (bsp_section_align); - __sbss_end = .; - } >RAM - .bss : - { - __bss_start = .; - *(.dynbss) - *(.bss .bss.* .gnu.linkonce.b.*) - *(COMMON) - . = ALIGN (bsp_section_align); - __bss_end = .; - - /* Allocate the main stack area. Make sure it starts 16bytes aligned - to accommodate any possible program expectation. */ - _stack = ALIGN(16) + 0x1000; - _end = _stack; - } >RAM - - /* - * BSP: Interrupt stack - */ - bsp_interrupt_stack_start = _end; - bsp_interrupt_stack_end = bsp_interrupt_stack_start + 32k; - bsp_interrupt_stack_size = bsp_interrupt_stack_end - bsp_interrupt_stack_start; - - bsp_work_area_start = bsp_interrupt_stack_end; - WorkAreaBase = bsp_work_area_start; - . = RamBase + RamSize; - +REGION_ALIAS ("REGION_START", ROM); +REGION_ALIAS ("REGION_FAST_TEXT", ROM); +REGION_ALIAS ("REGION_FAST_TEXT_LOAD", ROM); +REGION_ALIAS ("REGION_TEXT", ROM); +REGION_ALIAS ("REGION_TEXT_LOAD", ROM); +REGION_ALIAS ("REGION_RODATA", ROM); +REGION_ALIAS ("REGION_RODATA_LOAD", ROM); +REGION_ALIAS ("REGION_FAST_DATA", RAM); +REGION_ALIAS ("REGION_FAST_DATA_LOAD", ROM); +REGION_ALIAS ("REGION_DATA", RAM); +REGION_ALIAS ("REGION_DATA_LOAD", ROM); +REGION_ALIAS ("REGION_BSS", RAM); +REGION_ALIAS ("REGION_RWEXTRA", RAM); +REGION_ALIAS ("REGION_WORK", RAM); +REGION_ALIAS ("REGION_STACK", RAM); +REGION_ALIAS ("REGION_NOCACHE", EMPTY); +REGION_ALIAS ("REGION_NOCACHE_LOAD", EMPTY); +REGION_ALIAS ("REGION_NVRAM", EMPTY); + +SECTIONS { .reset : { KEEP(*(.reset)) } >RESET - - /* 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) } - /DISCARD/ : { *(.note.GNU-stack) } } +INCLUDE linkcmds.base |