From: Alexander Graf <agraf@suse.de>
To: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH] qemu-i386 segfaults running "hello world".
Date: Mon, 02 Jul 2007 17:02:49 +0200 [thread overview]
Message-ID: <46891399.1050906@suse.de> (raw)
In-Reply-To: <200706240336.36647.rob@landley.net>
[-- Attachment #1: Type: text/plain, Size: 97 bytes --]
Hi,
this is the patch we are currently using to build qemu-0.9.0. Does this
work for you?
Alex
[-- Attachment #2: linkerscripts.patch --]
[-- Type: text/x-patch, Size: 21537 bytes --]
--- i386.ld
+++ i386.ld
@@ -1,116 +1,164 @@
-/* ld script to make i386 Linux kernel
- * Written by Martin Mares <mj@atrey.karlin.mff.cuni.cz>;
- */
-OUTPUT_FORMAT("elf32-i386", "elf32-i386", "elf32-i386")
+/* Default linker script, for normal executables */
+OUTPUT_FORMAT("elf32-i386", "elf32-i386",
+ "elf32-i386")
OUTPUT_ARCH(i386)
-SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/alpha-unknown-linux-gnu/lib);
ENTRY(_start)
+SEARCH_DIR("/usr/i586-suse-linux/lib"); SEARCH_DIR("/usr/local/lib"); SEARCH_DIR("/lib"); SEARCH_DIR("/usr/lib");
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PROVIDE (end = .);
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- .stab.excl 0 : { *(.stab.excl) }
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/* DWARF debug sections.
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/* 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) }
- _edata = .;
- PROVIDE (edata = .);
+ .sdata :
+ {
+ PROVIDE (_SDA_BASE_ = 32768);
+ *(.sdata .sdata.* .gnu.linkonce.s.*)
+ }
+ _edata = .; PROVIDE (edata = .);
__bss_start = .;
- .sbss : { *(.sbss) *(.scommon) }
- .bss :
+ .sbss :
+ {
+ PROVIDE (__sbss_start = .); PROVIDE (___sbss_start = .);
+ *(.dynsbss)
+ *(.sbss .sbss.* .gnu.linkonce.sb.*)
+ *(.scommon)
+ PROVIDE (__sbss_end = .); PROVIDE (___sbss_end = .);
+ }
+ .plt : SPECIAL { *(.plt) }
+ .bss :
{
*(.dynbss)
- *(.bss)
+ *(.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);
}
- _end = . ;
+ . = ALIGN(32 / 8);
+ . = ALIGN(32 / 8);
+ _end = .;
PROVIDE (end = .);
+ . = DATA_SEGMENT_END (.);
/* 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 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) }
+ .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. */
@@ -124,7 +208,7 @@
.debug_aranges 0 : { *(.debug_aranges) }
.debug_pubnames 0 : { *(.debug_pubnames) }
/* DWARF 2 */
- .debug_info 0 : { *(.debug_info) }
+ .debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) }
.debug_abbrev 0 : { *(.debug_abbrev) }
.debug_line 0 : { *(.debug_line) }
.debug_frame 0 : { *(.debug_frame) }
@@ -136,5 +220,6 @@
.debug_funcnames 0 : { *(.debug_funcnames) }
.debug_typenames 0 : { *(.debug_typenames) }
.debug_varnames 0 : { *(.debug_varnames) }
- /* These must appear regardless of . */
+ /DISCARD/ : { *(.fixup) }
+ /DISCARD/ : { *(.note.GNU-stack) }
}
next prev parent reply other threads:[~2007-07-02 15:00 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-22 21:15 [Qemu-devel] qemu-i386 segfaults running "hello world" Rob Landley
2007-06-22 22:31 ` Rob Landley
2007-06-22 23:13 ` Alexander Graf
2007-06-22 23:27 ` andrzej zaborowski
2007-06-23 6:38 ` Rob Landley
2007-06-23 5:31 ` Rob Landley
2007-06-23 7:27 ` Alexander Graf
2007-06-24 5:40 ` Rob Landley
2007-06-23 7:41 ` Rob Landley
2007-06-23 11:00 ` Jens Axboe
2007-06-24 7:01 ` Rob Landley
2007-06-26 13:05 ` Jens Axboe
2007-06-23 9:50 ` Nigel Horne
2007-06-23 11:12 ` [Qemu-devel] [PATCH] " Stefan Weil
2007-06-24 7:36 ` Rob Landley
2007-07-02 15:02 ` Alexander Graf [this message]
2007-07-10 15:47 ` Rob Landley
2007-07-10 16:10 ` Andreas Färber
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