| /trunk/uspace/srv/loader/arch/ia32/_link.ld.in |
|---|
| 0,0 → 1,55 |
| /* |
| * The difference from _link.ld.in for regular statically-linked apps |
| * is the base address and the special interp section. |
| */ |
| STARTUP(LIBC_PREFIX/arch/ARCH/src/entry.o) |
| ENTRY(__entry) |
| PHDRS { |
| interp PT_INTERP; |
| text PT_LOAD FILEHDR PHDRS FLAGS(5); |
| data PT_LOAD FLAGS(6); |
| } |
| SECTIONS { |
| .interp : { |
| *(.interp); |
| } :interp |
| . = 0x70001000; |
| .init ALIGN(0x1000) : SUBALIGN(0x1000) { |
| *(.init); |
| } :text |
| .text : { |
| *(.text); |
| *(.rodata*); |
| } :text |
| .data ALIGN(0x1000) : SUBALIGN(0x1000) { |
| *(.data); |
| } :data |
| .tdata : { |
| _tdata_start = .; |
| *(.tdata); |
| _tdata_end = .; |
| } :data |
| .tbss : { |
| _tbss_start = .; |
| *(.tbss); |
| _tbss_end = .; |
| } :data |
| _tls_alignment = MAX(ALIGNOF(.tdata), ALIGNOF(.tbss)); |
| .bss : { |
| *(COMMON); |
| *(.bss); |
| } :data |
| . = ALIGN(0x1000); |
| _heap = .; |
| /DISCARD/ : { |
| *(*); |
| } |
| } |
| /trunk/uspace/srv/loader/arch/ia32/ia32.s |
|---|
| 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. |
| # |
| .globl program_run |
| ## void program_run(void *entry_point, void *pcb); |
| # |
| # Jump to a program entry point |
| program_run: |
| # Use standard ia32 prologue not to confuse anybody |
| push %ebp |
| movl %esp, %ebp |
| # %eax := entry_point |
| movl 0x8(%ebp), %eax |
| # %ebx := pcb |
| # pcb is passed to the entry point int %ebx |
| mov 0xc(%ebp), %ebx |
| # Save a tiny bit of stack space |
| pop %ebp |
| jmp %eax |
| /trunk/uspace/srv/loader/arch/ia32/Makefile.inc |
|---|
| 0,0 → 1,30 |
| # |
| # 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. |
| # |
| CFLAGS += -D__32_BITS__ |
| ARCH_SOURCES := arch/$(ARCH)/ia32.s |