diff options
Diffstat (limited to '')
-rw-r--r-- | c/src/lib/libbsp/m68k/mvme167/startup/linkcmds | 227 |
1 files changed, 134 insertions, 93 deletions
diff --git a/c/src/lib/libbsp/m68k/mvme167/startup/linkcmds b/c/src/lib/libbsp/m68k/mvme167/startup/linkcmds index 9cbf889dd7..c22f578905 100644 --- a/c/src/lib/libbsp/m68k/mvme167/startup/linkcmds +++ b/c/src/lib/libbsp/m68k/mvme167/startup/linkcmds @@ -22,11 +22,11 @@ OUTPUT_ARCH(m68k) ENTRY(_start) /* - * Declare some sizes. + * Declare some sizes. Heap is sized at whatever ram space is left. */ -_RamBase = 0x00800000; +_RamBase = DEFINED(_RamBase) ? _RamBase : 0x00800000; _RamSize = DEFINED(_RamSize) ? _RamSize : 4M; -_HeapSize = DEFINED(_HeapSize) ? _HeapSize : 0x10000; +_HeapSize = DEFINED(_HeapSize) ? _HeapSize : 0; _StackSize = DEFINED(_StackSize) ? _StackSize : 0x1000; MEMORY @@ -42,103 +42,144 @@ MEMORY SECTIONS { - ram : { - . = .; - } >ram + /* + * Text, data and bss segments + */ + .text : { + *(.text) - /* - * Text, data and bss segments - */ - .text : { - *(.text) + /* + * C++ constructors/destructors + */ + *(.gnu.linkonce.t.*) - /* - * C++ constructors/destructors - */ - *(.gnu.linkonce.t.*) + /* + * Initialization and finalization code. + * + * Various files can provide initialization and finalization + * functions. crtbegin.o and crtend.o are two instances. The + * body of these functions are in .init and .fini sections. We + * accumulate the bodies here, and prepend function prologues + * from crti.o and function epilogues from crtn.o. crti.o must + * be linked first; crtn.o must be linked last. Because these + * are wildcards, it doesn't matter if the user does not + * actually link against crti.o and crtn.o; the linker won't + * look for a file to match a wildcard. The wildcard also + * means that it doesn't matter which directory crti.o and + * crtn.o are in. + */ + PROVIDE (_init = .); + *crti.o(.init) + *(.init) + *crtn.o(.init) + + PROVIDE (_fini = .); + *crti.o(.fini) + *(.fini) + *crtn.o(.fini) - /* - * Initialization and finalization code. - * - * Various files can provide initialization and finalization - * functions. crtbegin.o and crtend.o are two instances. The - * body of these functions are in .init and .fini sections. We - * accumulate the bodies here, and prepend function prologues - * from crti.o and function epilogues from crtn.o. crti.o must - * be linked first; crtn.o must be linked last. Because these - * are wildcards, it doesn't matter if the user does not - * actually link against crti.o and crtn.o; the linker won't - * look for a file to match a wildcard. The wildcard also - * means that it doesn't matter which directory crti.o and - * crtn.o are in. - */ - PROVIDE (_init = .); - *crti.o(.init) - *(.init) - *crtn.o(.init) - PROVIDE (_fini = .); - *crti.o(.fini) - *(.fini) - *crtn.o(.fini) + /* + * C++ constructors/destructors + * + * gcc uses crtbegin.o to find the start of the constructors + * and destructors so we make sure it is first. Because this + * is a wildcard, it doesn't matter if the user does not + * actually link against crtbegin.o; the linker won't look for + * a file to match a wildcard. The wildcard also means that + * it doesn't matter which directory crtbegin.o is in. The + * constructor and destructor list are terminated in + * crtend.o. The same comments apply to it. + */ + . = ALIGN (16); + *crtbegin.o(.ctors) + *(.ctors) + *crtend.o(.ctors) + + *crtbegin.o(.dtors) + *(.dtors) + *crtend.o(.dtors) - /* - * C++ constructors/destructors - * - * gcc uses crtbegin.o to find the start of the constructors - * and destructors so we make sure it is first. Because this - * is a wildcard, it doesn't matter if the user does not - * actually link against crtbegin.o; the linker won't look for - * a file to match a wildcard. The wildcard also means that - * it doesn't matter which directory crtbegin.o is in. The - * constructor and destructor list are terminated in - * crtend.o. The same comments apply to it. - */ - . = ALIGN (16); - *crtbegin.o(.ctors) - *(.ctors) - *crtend.o(.ctors) - *crtbegin.o(.dtors) - *(.dtors) - *crtend.o(.dtors) + /* + * Exception frame info + */ + . = ALIGN (16); + *(.eh_frame) - /* - * Exception frame info - */ - . = ALIGN (16); - *(.eh_frame) + /* + * Read-only data + */ + . = ALIGN (16); + PROVIDE(_rodata_start = . ); + *(.rodata) + *(.gnu.linkonce.r*) + PROVIDE(_erodata = . ); - /* - * Read-only data - */ - . = ALIGN (16); - _rodata_start = . ; - *(.rodata) - *(.gnu.linkonce.r*) + . = ALIGN (16); + PROVIDE (_etext = .); + } >ram + + .data : { + PROVIDE (_copy_start = .); + *(.data) + *(.gnu.linkonce.d*) + *(.gcc_except_table) + . = ALIGN (16); + PROVIDE (_edata = .); + PROVIDE (_copy_end = .); + } >ram + + .bss : { + _clear_start = .; + *(.bss) + *(COMMON) + . = ALIGN (16); + PROVIDE (end = .); - . = ALIGN (16); - PROVIDE (_etext = .); - } >ram - .data : { - PROVIDE (_copy_start = .); - *(.data) - *(.gnu.linkonce.d*) - *(.gcc_except_table) - . = ALIGN (16); - PROVIDE (_edata = .); - PROVIDE (_copy_end = .); - } >ram - .bss : { - _clear_start = .; - *(.bss) - *(COMMON) - . = ALIGN (16); - PROVIDE (end = .); + . += _StackSize; + . = ALIGN (16); + _stack_init = .; + _clear_end = .; - . += _StackSize; - . = ALIGN (16); - _stack_init = .; - _clear_end = .; + _WorkspaceBase = .; + } >ram - _WorkspaceBase = .; - } >ram + /* 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 */ + .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) } + .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) } + /* These must appear regardless of . */ } |