diff options
| -rw-r--r-- | ld/scripttempl/elfppc.sc | 52 |
1 files changed, 42 insertions, 10 deletions
diff --git a/ld/scripttempl/elfppc.sc b/ld/scripttempl/elfppc.sc index 57e654c..fb77da2 100644 --- a/ld/scripttempl/elfppc.sc +++ b/ld/scripttempl/elfppc.sc @@ -2,9 +2,9 @@ # Unusual variables checked by this code: # NOP - two byte opcode for no-op (defaults to 0) # DATA_ADDR - if end-of-text-plus-one-page isn't right for data start -# OTHER_READONLY_SECTIONS - other than .text .init .ctors .rodata ... +# OTHER_READONLY_SECTIONS - other than .text .init .rodata ... # (e.g., .PARISC.milli) -# OTHER_READWRITE_SECTIONS - other than .data .bss .sdata ... +# OTHER_READWRITE_SECTIONS - other than .data .bss .ctors .sdata ... # (e.g., .PARISC.global) # OTHER_SECTIONS - at the end # EXECUTABLE_SYMBOLS - symbols that must be defined for an @@ -61,7 +61,11 @@ SECTIONS .rela.fini ${RELOCATING-0} : { *(.rela.fini) } .rela.bss ${RELOCATING-0} : { *(.rela.bss) } .rela.plt ${RELOCATING-0} : { *(.rela.plt) } - .init ${RELOCATING-0} : { *(.init) } =${NOP-0} + .rela.sdata ${RELOCATING-0} : { *(.rela.sdata2) } + .rela.sbss ${RELOCATING-0} : { *(.rela.sbss2) } + .rela.sdata2 ${RELOCATING-0} : { *(.rela.sdata2) } + .rela.sbss2 ${RELOCATING-0} : { *(.rela.sbss2) } + .init ${RELOCATING-0} : { *(.init) } =${NOP-0} ${DATA_PLT-${PLT}} .text ${RELOCATING-0} : { @@ -72,13 +76,30 @@ SECTIONS } =${NOP-0} ${RELOCATING+_etext = .;} ${RELOCATING+PROVIDE (etext = .);} - .fini ${RELOCATING-0} : { *(.fini) } =${NOP-0} - .rodata ${RELOCATING-0} : { *(.rodata) } - .rodata1 ${RELOCATING-0} : { *(.rodata1) } + .fini ${RELOCATING-0} : { *(.fini) } =${NOP-0} + .rodata ${RELOCATING-0} : { *(.rodata) } + .rodata1 ${RELOCATING-0} : { *(.rodata1) } + ${CREATE_SHLIB- + .sdata2 ${RELOCATING-0} : { *(.sdata2) } + .sbss2 ${RELOCATING-0} : { *(.sbss2) } } ${RELOCATING+${OTHER_READONLY_SECTIONS}} - /* Read-write section, merged into data segment: */ + /* Adjust the address for the data segment. We want to adjust up to + the same address within the page on the next page up. It would + be more correct to do this: + ${RELOCATING+. = ${DATA_ADDR-ALIGN(${MAXPAGESIZE}) + (ALIGN(8) & (${MAXPAGESIZE} - 1))};} + The current expression does not correctly handle the case of a + text segment ending precisely at the end of a page; it causes the + data segment to skip a page. The above expression does not have + this problem, but it will currently (2/95) cause BFD to allocate + a single segment, combining both text and data, for this case. + This will prevent the text segment from being shared among + multiple executions of the program; I think that is more + important than losing a page of the virtual address space (note + that no actual memory is lost; the page which is skipped can not + be referenced). */ ${RELOCATING+. = ${DATA_ADDR- ALIGN(8) + ${MAXPAGESIZE}};} + .data ${RELOCATING-0} : { ${RELOCATING+${DATA_START_SYMBOLS}} @@ -88,8 +109,6 @@ SECTIONS .data1 ${RELOCATING-0} : { *(.data1) } ${RELOCATING+${OTHER_READWRITE_SECTIONS}} - .sdata2 ${RELOCATING-0} : { *(.sdata2) } - .sbss2 ${RELOCATING-0} : { *(.sbss2) } .got1 ${RELOCATING-0} : { *(.got1) } .dynamic ${RELOCATING-0} : { *(.dynamic) } @@ -117,10 +136,12 @@ SECTIONS ${RELOCATING+PROVIDE (_GLOBAL_OFFSET_TABLE_ = .);} .got ${RELOCATING-0} : { *(.got) } .got.plt ${RELOCATING-0} : { *(.got.plt) } + ${CREATE_SHLIB+ + .sdata2 ${RELOCATING-0} : { *(.sdata2) } + .sbss2 ${RELOCATING-0} : { *(.sbss2) } } ${RELOCATING+PROVIDE (_GOT_END_ = .);} ${DATA_PLT+${PLT}} - /* 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. */ @@ -150,6 +171,17 @@ SECTIONS .stab 0 : { *(.stab) } .stabstr 0 : { *(.stabstr) } + /* DWARF debug sections. + Symbols in the .debug DWARF section are relative to the beginning of the + section so we begin .debug at 0. It's not clear yet what needs to happen + for the others. */ + .debug 0 : { *(.debug) } + .debug_srcinfo 0 : { *(.debug_srcinfo) } + .debug_aranges 0 : { *(.debug_aranges) } + .debug_pubnames 0 : { *(.debug_pubnames) } + .debug_sfnames 0 : { *(.debug_sfnames) } + .line 0 : { *(.line) } + /* These must appear regardless of ${RELOCATING}. */ ${OTHER_SECTIONS} } |