__stack = ORIGIN(dram_seg) + LENGTH(dram_seg); __MIN_STACK_SIZE = 0x1000; ENTRY(_start) SECTIONS { . = SEGMENT_START("iram_seg", 0); .vectors : { _vector_table = ABSOLUTE(.); . = 0x0; KEEP(*(.WindowVectors.text)); . = 0x180; KEEP(*(.Level2InterruptVector.text)); . = 0x1c0; KEEP(*(.Level3InterruptVector.text)); . = 0x200; KEEP(*(.Level4InterruptVector.text)); . = 0x240; KEEP(*(.Level5InterruptVector.text)); . = 0x280; KEEP(*(.DebugExceptionVector.text)); . = 0x2c0; KEEP(*(.NMIExceptionVector.text)); . = 0x300; KEEP(*(.KernelExceptionVector.text)); . = 0x340; KEEP(*(.UserExceptionVector.text)); . = 0x3C0; KEEP(*(.DoubleExceptionVector.text)); . = 0x400; KEEP(*(.ResetVector.text)); *(.*Vector.literal) . = ALIGN (16); } > iram_seg text : { KEEP (*(.init.literal)) KEEP (*(SORT_NONE(.init))) *(.literal .text .stub .literal.* .text.* .gnu.linkonce.literal.* .gnu.linkonce.t.*.literal .gnu.linkonce.t.*) /* .gnu.warning sections are handled specially by elf32.em. */ *(.gnu.warning) KEEP (*(.fini.literal)) KEEP (*(SORT_NONE(.fini))) } > iram_seg PROVIDE (__etext = .); PROVIDE (_etext = .); PROVIDE (etext = .); /* Adjust the address for the data segment. We want to adjust up to the same address within the page on the next page up. */ . = ALIGN (CONSTANT (MAXPAGESIZE)) - ((CONSTANT (MAXPAGESIZE) - .) & (CONSTANT (MAXPAGESIZE) - 1)); . = DATA_SEGMENT_ALIGN (CONSTANT (MAXPAGESIZE), CONSTANT (COMMONPAGESIZE)); .rodata : { *(.rodata .rodata.* .gnu.linkonce.r.*) *(.rodata1) *(.sdata2 .sdata2.* .gnu.linkonce.s2.*) *(.sbss2 .sbss2.* .gnu.linkonce.sb2.*) } .preinit_array : { PROVIDE_HIDDEN (__preinit_array_start = .); KEEP (*(.preinit_array)) PROVIDE_HIDDEN (__preinit_array_end = .); } .init_array : { PROVIDE_HIDDEN (__init_array_start = .); KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*) SORT_BY_INIT_PRIORITY(.ctors.*))) KEEP (*(.init_array EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .ctors)) PROVIDE_HIDDEN (__init_array_end = .); } .fini_array : { PROVIDE_HIDDEN (__fini_array_start = .); KEEP (*(SORT_BY_INIT_PRIORITY(.fini_array.*) SORT_BY_INIT_PRIORITY(.dtors.*))) KEEP (*(.fini_array EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .dtors)) PROVIDE_HIDDEN (__fini_array_end = .); } .ctors : { /* gcc uses crtbegin.o to find the start of the constructors, 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. */ KEEP (*crtbegin.o(.ctors)) KEEP (*crtbegin?.o(.ctors)) /* We don't want to include the .ctor section from the crtend.o file until after the sorted ctors. The .ctor section from the crtend file contains the end of ctors marker and it must be last */ KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .ctors)) KEEP (*(SORT(.ctors.*))) KEEP (*(.ctors)) } .dtors : { KEEP (*crtbegin.o(.dtors)) KEEP (*crtbegin?.o(.dtors)) KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors)) KEEP (*(SORT(.dtors.*))) KEEP (*(.dtors)) } _data_start = .; .data : { *(.data .data.* .gnu.linkonce.d.*) SORT(CONSTRUCTORS) *(.data1) } _edata = .; PROVIDE (edata = .); . = .; __bss_start = .; .bss : { *(.dynsbss) *(.sbss .sbss.* .gnu.linkonce.sb.*) *(.scommon) *(.dynbss) *(.bss .bss.* .gnu.linkonce.b.*) *(COMMON) /* Align here to ensure that the .bss section occupies space up to _end. Align after .bss to ensure correct alignment even if the .bss section disappears because there are no input sections. FIXME: Why do we need it? When there is no .bss section, we do not pad the .data section. */ . = ALIGN(. != 0 ? 32 / 8 : 1); } . = ALIGN(32 / 8); . = ALIGN(32 / 8); _end = .; PROVIDE (end = .); . = DATA_SEGMENT_END (.); /* Check if data + heap + stack exceeds RAM limit */ ASSERT(. <= __stack - __MIN_STACK_SIZE, "region DRAM overflowed by .data and .bss sections") /* 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) } .gnu.build.attributes : { *(.gnu.build.attributes .gnu.build.attributes.*) } /* 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_line.* .debug_line_end) } .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) } /* DWARF 3 */ .debug_pubtypes 0 : { *(.debug_pubtypes) } .debug_ranges 0 : { *(.debug_ranges) } /* DWARF Extension. */ .debug_macro 0 : { *(.debug_macro) } .debug_addr 0 : { *(.debug_addr) } .gnu.attributes 0 : { KEEP (*(.gnu.attributes)) } /DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) } }