Subversion Repositories HelenOS

Compare Revisions

Ignore whitespace Rev 3681 → Rev 3673

/branches/dynload/uspace/lib/rtld/arch/ia32/_link.ld.in
0,0 → 1,84
STARTUP(LIBC_PREFIX/arch/ARCH/src/entry.o)
ENTRY(__entry)
 
PHDRS {
text PT_LOAD FLAGS(5);
data PT_LOAD FLAGS(6);
}
 
SECTIONS {
. = 0x60001000 + SIZEOF_HEADERS;
 
.init : {
*(.init);
} :text
.text : {
*(.text);
*(.text.*);
*(.rodata*);
} :text
 
.rel.plt : {
*(.rel.plt);
}
/*
*.rel.dyn MUST FOLLOW IMMEDIATELY after .rel.plt
* without alignment gap or DT_REL will be broken
*/
.rel.dyn : {
*(.rel.*);
} :text
 
.plt : {
*(.plt);
} :text
 
.dynamic : {
*(.dynamic);
} :text
 
.dynsym : {
*(.dynsym);
} :text
 
.dynstr : {
*(.dynstr);
} :text
 
. = . + 0x1000;
 
.data : {
*(.data);
} :data
 
.data.rel : {
*(.data.rel);
} :data
 
.got : {
*(.got);
} :data
.got.plt : {
*(.got.plt);
} :data
 
.bss : {
*(COMMON);
*(.bss);
} :data
 
.tdata : {
_tdata_start = .;
*(.tdata);
_tdata_end = .;
} :data
.tbss : {
_tbss_start = .;
*(.tbss);
_tbss_end = .;
} :data
_tls_alignment = MAX(ALIGNOF(.tdata), ALIGNOF(.tbss));
. = ALIGN(0x1000);
_heap = .;
}
/branches/dynload/uspace/lib/rtld/arch/ia32/Makefile.inc
29,4 → 29,5
CFLAGS += -D__32_BITS__
 
ARCH_SOURCES := \
arch/$(ARCH)/src/reloc.c
arch/$(ARCH)/src/reloc.c \
arch/$(ARCH)/src/start.c
/branches/dynload/uspace/lib/rtld/arch/ia32/src/reloc.c
124,12 → 124,7
// DPRINTF("fixup R_386_RELATIVE (b+a)\n");
*r_ptr += m->bias;
break;
 
default:
printf("Unknown relocation type %d\n", rel_type);
break;
}
 
}
 
}
/branches/dynload/uspace/lib/rtld/arch/ia32/src/start.c
0,0 → 1,49
/*
* Copyright (c) 2008 Jiri Svoboda
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup rtld rtld
* @brief
* @{
*/
/**
* @file
*/
 
#include <rtld_arch.h>
 
void program_run(void *entry, pcb_t *pcb)
{
asm (
"mov %%eax, %%ebx\n"
"jmp *%0\n"
:: "m" (entry), "a" (pcb)
);
}
 
/** @}
*/