[emacs21 commit] a215a6bcd6b41611e95335a08d0201163dd0040b
Jérôme Marant
jerome at marant.org
Wed Oct 4 14:01:28 UTC 2006
commit a215a6bcd6b41611e95335a08d0201163dd0040b
Author: Jérôme Marant <jerome at marant.org>
Date: Wed Oct 4 16:01:28 2006 +0200
Really add arch-mips patch
diff --git a/patches/arch-mips.diff b/patches/arch-mips.diff
new file mode 100644
index 0000000..1bbf235
--- /dev/null
+++ b/patches/arch-mips.diff
@@ -0,0 +1,267 @@
+* Support for the mips architecture has been added.
+ Patch: arch-mips.diff
+ Provided-by: Max Kellermann <max at duempel.org>
+ Added-by: Marc 'HE' Brockschmidt <he at debian.org>
+ Status: appears to be incorporated upstream
+
+--- /dev/null 1970-01-01 00:00:00.000000000 +0000
++++ emacs21-21.4a/mips.ld 2006-09-24 16:17:03.000000000 +0100
+@@ -0,0 +1,244 @@
++/* Work around a design flaw in emacs: emacs assumes the data section
++begins on address 0x10000000, which was true up to binutils version
++2.16, but the binutils 2.17 default linker script does not use this
++alignment anymore.
++
++This is actually a patched version of the file
++/usr/lib/ldscripts/elf32btsmip.x from binutils 2.17-2. It makes the
++data section begin at 0x10000000.
++
++- 2006/09/17 Max Kellermann <max at duempel.org> */
++
++/* Default linker script, for normal executables */
++OUTPUT_FORMAT("elf32-tradbigmips", "elf32-tradbigmips",
++ "elf32-tradlittlemips")
++OUTPUT_ARCH(mips)
++ENTRY(__start)
++SEARCH_DIR("/usr/mips-linux-gnu/lib"); SEARCH_DIR("/usr/local/lib"); SEARCH_DIR("/lib"); SEARCH_DIR("/usr/lib");
++SECTIONS
++{
++ /* Read-only sections, merged into text segment: */
++ PROVIDE (__executable_start = 0x0400000); . = 0x0400000 + 52 + 8*32;
++ .interp : { *(.interp) }
++ .reginfo : { *(.reginfo) }
++ .dynamic : { *(.dynamic) }
++ .hash : { *(.hash) }
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++ .gnu.version : { *(.gnu.version) }
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++ .gnu.version_r : { *(.gnu.version_r) }
++ .rel.init : { *(.rel.init) }
++ .rela.init : { *(.rela.init) }
++ .rel.text : { *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*) }
++ .rela.text : { *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) }
++ .rel.fini : { *(.rel.fini) }
++ .rela.fini : { *(.rela.fini) }
++ .rel.rodata : { *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*) }
++ .rela.rodata : { *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) }
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++ .rel.plt : { *(.rel.plt) }
++ .rela.plt : { *(.rela.plt) }
++ .init :
++ {
++ KEEP (*(.init))
++ } =0
++ .plt : { *(.plt) }
++ .text :
++ {
++ _ftext = . ;
++ *(.text .stub .text.* .gnu.linkonce.t.*)
++ KEEP (*(.text.*personality*))
++ /* .gnu.warning sections are handled specially by elf32.em. */
++ *(.gnu.warning)
++ *(.mips16.fn.*) *(.mips16.call.*)
++ } =0
++ .fini :
++ {
++ KEEP (*(.fini))
++ } =0
++ PROVIDE (__etext = .);
++ PROVIDE (_etext = .);
++ PROVIDE (etext = .);
++ .rodata : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
++ .rodata1 : { *(.rodata1) }
++ .sdata2 :
++ {
++ *(.sdata2 .sdata2.* .gnu.linkonce.s2.*)
++ }
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++ .eh_frame_hdr : { *(.eh_frame_hdr) }
++ .eh_frame : ONLY_IF_RO { KEEP (*(.eh_frame)) }
++ .gcc_except_table : ONLY_IF_RO { *(.gcc_except_table .gcc_except_table.*) }
++ /* 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 (0x10000000); . = DATA_SEGMENT_ALIGN (0x40000, 0x1000);
++ /* Exception handling */
++ .eh_frame : ONLY_IF_RW { KEEP (*(.eh_frame)) }
++ .gcc_except_table : ONLY_IF_RW { *(.gcc_except_table .gcc_except_table.*) }
++ /* Thread Local Storage sections */
++ .tdata : { *(.tdata .tdata.* .gnu.linkonce.td.*) }
++ .tbss : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) }
++ .preinit_array :
++ {
++ PROVIDE_HIDDEN (__preinit_array_start = .);
++ KEEP (*(.preinit_array))
++ PROVIDE_HIDDEN (__preinit_array_end = .);
++ }
++ .init_array :
++ {
++ PROVIDE_HIDDEN (__init_array_start = .);
++ KEEP (*(SORT(.init_array.*)))
++ KEEP (*(.init_array))
++ PROVIDE_HIDDEN (__init_array_end = .);
++ }
++ .fini_array :
++ {
++ PROVIDE_HIDDEN (__fini_array_start = .);
++ KEEP (*(.fini_array))
++ KEEP (*(SORT(.fini_array.*)))
++ 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))
++ /* 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 ) .ctors))
++ KEEP (*(SORT(.ctors.*)))
++ KEEP (*(.ctors))
++ }
++ .dtors :
++ {
++ KEEP (*crtbegin*.o(.dtors))
++ KEEP (*(EXCLUDE_FILE (*crtend*.o ) .dtors))
++ KEEP (*(SORT(.dtors.*)))
++ KEEP (*(.dtors))
++ }
++ .jcr : { KEEP (*(.jcr)) }
++ .data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro* .gnu.linkonce.d.rel.ro.*) }
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++ .data :
++ {
++ _fdata = . ;
++ *(.data .data.* .gnu.linkonce.d.*)
++ KEEP (*(.gnu.linkonce.d.*personality*))
++ SORT(CONSTRUCTORS)
++ }
++ .data1 : { *(.data1) }
++ . = .;
++ _gp = ALIGN(16) + 0x7ff0;
++ .got : { *(.got.plt) *(.got) }
++ /* 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. */
++ .sdata :
++ {
++ *(.sdata .sdata.* .gnu.linkonce.s.*)
++ }
++ .lit8 : { *(.lit8) }
++ .lit4 : { *(.lit4) }
++ _edata = .; PROVIDE (edata = .);
++ __bss_start = .;
++ _fbss = .;
++ .sbss :
++ {
++ *(.dynsbss)
++ *(.sbss .sbss.* .gnu.linkonce.sb.*)
++ *(.scommon)
++ }
++ .bss :
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++ *(.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 don't
++ pad the .data section. */
++ . = ALIGN(. != 0 ? 32 / 8 : 1);
++ }
++ . = ALIGN(32 / 8);
++ . = ALIGN(32 / 8);
++ _end = .; PROVIDE (end = .);
++ . = DATA_SEGMENT_END (.);
++ /* Stabs debugging sections. */
++ .stab 0 : { *(.stab) }
++ .stabstr 0 : { *(.stabstr) }
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++ .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 */
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++ /* DWARF 2 */
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++ .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) }
++ .gptab.sdata : { *(.gptab.data) *(.gptab.sdata) }
++ .gptab.sbss : { *(.gptab.bss) *(.gptab.sbss) }
++ .mdebug.abi32 : { KEEP(*(.mdebug.abi32)) }
++ .mdebug.abiN32 : { KEEP(*(.mdebug.abiN32)) }
++ .mdebug.abi64 : { KEEP(*(.mdebug.abi64)) }
++ .mdebug.abiO64 : { KEEP(*(.mdebug.abiO64)) }
++ .mdebug.eabi32 : { KEEP(*(.mdebug.eabi32)) }
++ .mdebug.eabi64 : { KEEP(*(.mdebug.eabi64)) }
++ .gcc_compiled_long32 : { KEEP(*(.gcc_compiled_long32)) }
++ .gcc_compiled_long64 : { KEEP(*(.gcc_compiled_long64)) }
++ /DISCARD/ : { *(.note.GNU-stack) }
++}
+--- emacs21-21.4a.orig/src/m/mips.h 2006-09-24 16:18:20.000000000 +0100
++++ emacs21-21.4a/src/m/mips.h 2006-09-24 16:19:47.000000000 +0100
+@@ -135,7 +135,12 @@
+ #define TEXT_START 0x00400000
+ #define DATA_START 0x10000000
+ #define DATA_SEG_BITS 0x10000000
++#ifdef THIS_IS_MAKEFILE
++#define LD_SWITCH_MACHINE -T "../../../mips.ld"
++#else
++#define LD_SWITCH_MACHINE -T "../../mips.ld"
++#endif
+ #else /* not __linux__ */
+ #define TEXT_START 0x400000
+ #define DATA_START 0x800000
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