diff options
Diffstat (limited to 'c/src/lib/libbsp/powerpc/motorola_powerpc/startup/linkcmds')
| -rw-r--r-- | c/src/lib/libbsp/powerpc/motorola_powerpc/startup/linkcmds | 67 |
1 files changed, 63 insertions, 4 deletions
diff --git a/c/src/lib/libbsp/powerpc/motorola_powerpc/startup/linkcmds b/c/src/lib/libbsp/powerpc/motorola_powerpc/startup/linkcmds index bd7e2a6fd7..93a78b06be 100644 --- a/c/src/lib/libbsp/powerpc/motorola_powerpc/startup/linkcmds +++ b/c/src/lib/libbsp/powerpc/motorola_powerpc/startup/linkcmds @@ -7,7 +7,7 @@ ENTRY(_start) PROVIDE (__stack = 0); MEMORY { VECTORS : ORIGIN = 0x0 , LENGTH = 0x3000 - CODE : ORIGIN = 0x3000 , LENGTH = 0x100000 + CODE : ORIGIN = 0x3000 , LENGTH = 0x200000 } SECTIONS { @@ -59,13 +59,32 @@ SECTIONS *(.gnu.warning) *(.gnu.linkonce.t*) } > CODE - .init : { _init = .; *(.init) } >CODE - .fini : { _fini = .; *(.fini) } >CODE + .init : { _init = .; KEEP(*(.init)) } >CODE + .fini : { _fini = .; KEEP(*(.fini)) } >CODE .rodata : { *(.rodata*) *(.gnu.linkonce.r*) } > CODE .rodata1 : { *(.rodata1) } > CODE .eh_frame : { *.(eh_frame) } >CODE _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(0x10000) + (. & (0x10000 - 1)); + /* Ensure the __preinit_array_start label is properly aligned. We + could instead move the label definition inside the section, but + the linker would then create the section even if it turns out to + be empty, which isn't pretty. */ + . = ALIGN(32 / 8); + PROVIDE (__preinit_array_start = .); + .preinit_array : { *(.preinit_array) } >CODE + PROVIDE (__preinit_array_end = .); + PROVIDE (__init_array_start = .); + .init_array : { *(.init_array) } >CODE + PROVIDE (__init_array_end = .); + PROVIDE (__fini_array_start = .); + .fini_array : { *(.fini_array) } >CODE + PROVIDE (__fini_array_end = .); + .sdata2 : { *(.sdata2) *(.gnu.linkonce.s2.*) } >CODE .sbss2 : { *(.sbss2) *(.gnu.linkonce.sb2.*) } >CODE /* Adjust the address for the data segment. We want to adjust up to @@ -87,7 +106,7 @@ SECTIONS { *(.data) *(.gnu.linkonce.d*) - CONSTRUCTORS + SORT(CONSTRUCTORS) } > CODE .data1 : { *(.data1) } > CODE PROVIDE (__EXCEPT_START__ = .); @@ -100,20 +119,60 @@ SECTIONS The current compiler no longer needs this, but keep it around for 2.7.2 */ PROVIDE (_GOT2_START_ = .); .got2 : { *(.got2) } > CODE + + +/* removed 11/14, gregm PROVIDE (__CTOR_LIST__ = .); .ctors : { *(.ctors) } > CODE PROVIDE (__CTOR_END__ = .); PROVIDE (__DTOR_LIST__ = .); .dtors : { *(.dtors) } > CODE PROVIDE (__DTOR_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)) + /* We don't want to include the .ctor section from + 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 ) .ctors)) + KEEP (*(SORT(.ctors.*))) + KEEP (*(.ctors)) + } > CODE + .dtors : + { + KEEP (*crtbegin.o(.dtors)) + KEEP (*(EXCLUDE_FILE (*crtend.o ) .dtors)) + KEEP (*(SORT(.dtors.*))) + KEEP (*(.dtors)) + } > CODE + + PROVIDE (_FIXUP_START_ = .); .fixup : { *(.fixup) } > CODE PROVIDE (_FIXUP_END_ = .); PROVIDE (_GOT2_END_ = .); PROVIDE (_GOT_START_ = .); + .got : { *(.got) } > CODE .got.plt : { *(.got.plt) } > CODE + PROVIDE (_GOT_END_ = .); + + .jcr : { KEEP (*(.jcr)) } > CODE + /* We want the small data sections together, so single-instruction offsets can access them all, and initialized data all before uninitialized, so we can shorten the on-disk segment size. */ |