+ first implementation of sparc64-linux startup code, partly dummies

git-svn-id: trunk@36512 -
This commit is contained in:
florian 2017-06-18 15:39:37 +00:00
parent 72f2f400fe
commit 278d33f611
5 changed files with 230 additions and 0 deletions

4
.gitattributes vendored
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@ -9369,6 +9369,10 @@ rtl/linux/sparc/sighndh.inc svneol=native#text/plain
rtl/linux/sparc/stat.inc svneol=native#text/plain
rtl/linux/sparc/syscall.inc svneol=native#text/plain
rtl/linux/sparc/syscallh.inc svneol=native#text/plain
rtl/linux/sparc64/si_c.inc svneol=native#text/plain
rtl/linux/sparc64/si_dll.inc svneol=native#text/plain
rtl/linux/sparc64/si_g.inc svneol=native#text/plain
rtl/linux/sparc64/si_prc.inc svneol=native#text/plain
rtl/linux/sparc64/stat.inc svneol=native#text/plain
rtl/linux/sparcgen/sysnr.inc svneol=native#text/plain
rtl/linux/suuid.inc svneol=native#text/plain

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@ -0,0 +1,51 @@
{
This file is part of the Free Pascal run time library.
Copyright (c) 2005 by Michael Van Canneyt, Peter Vreman,
& Daniel Mantione, members of the Free Pascal development team.
See the file COPYING.FPC, included in this distribution,
for details about the copyright.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
**********************************************************************}
var
libc_environ: pchar; external name '__environ';
libc_fpu_control: word; external name '__fpu_control';
libc_init_proc: procedure; external name '_init';
libc_fini_proc: procedure; external name '_fini';
procedure libc_atexit; external name '__libc_atexit';
procedure libc_exit(ec : longint); external name '__libc_exit';
procedure libc_init; external name '__libc_init';
procedure libc_setfpucw; external name '__setfpucw';
procedure libc_start_main; external name '__libc_start_main';
const
BIAS = 2047;
function fpc_getgot : pointer; [external name 'FPC_GETGOT'];
{******************************************************************************
C library start/halt
******************************************************************************}
procedure _FPC_libc_start; assembler; nostackframe; public name '_start';
asm
end;
procedure _FPC_libc_haltproc(e: longint); cdecl; public name '_haltproc';
begin
libc_exit(e);
{ try to exit_group }
while true do
asm
ld e,%o0
mov 188, %g1
ta 0x6d
end;
end;

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@ -0,0 +1,42 @@
{
This file is part of the Free Pascal run time library.
Copyright (c) 2005 by Michael Van Canneyt, Peter Vreman,
& Daniel Mantione, members of the Free Pascal development team.
See the file COPYING.FPC, included in this distribution,
for details about the copyright.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
**********************************************************************}
{******************************************************************************
Shared library start/halt
******************************************************************************}
procedure _FPC_shared_lib_start(argc : dword;argv,envp : pointer); cdecl; public name 'FPC_SHARED_LIB_START'; public name '_start';
begin
operatingsystem_parameter_argc:=argc; { Copy the argument count }
operatingsystem_parameter_argv:=argv; { Copy the argument pointer }
operatingsystem_parameter_envp:=envp; { Copy the environment pointer }
initialstkptr:=get_frame;
PASCALMAIN;
end;
{ this routine is only called when the halt() routine of the RTL embedded in
the shared library is called }
procedure _FPC_shared_lib_haltproc(e:longint); cdecl; public name '_haltproc';
begin
{ try to exit_group }
while true do
asm
ld e,%o0
mov 188, %g1
ta 0x6d
end;
end;

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@ -0,0 +1,35 @@
{
This file is part of the Free Pascal run time library.
Copyright (c) 2005 by Michael Van Canneyt, Peter Vreman,
& Daniel Mantione, members of the Free Pascal development team.
See the file COPYING.FPC, included in this distribution,
for details about the copyright.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
**********************************************************************}
var
gmon_etext: pointer; external name '_etext';
gmon_monstarted: longint = 0;
procedure gmon_monstartup; external name 'monstartup';
procedure gmon_mcleanup; external name '_mcleanup';
procedure libc_atexit; external name '__libc_atexit';
procedure libc_exit(ec : longint); external name '__libc_exit';
procedure libc_init; external name '__libc_init';
procedure libc_setfpucw; external name '__setfpucw';
procedure libc_start_main; external name '__libc_start_main';
{******************************************************************************
Process + profiling start/halt
******************************************************************************}
procedure _FPC_proc_gprof_start; assembler; nostackframe; public name '_start';
asm
end;

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@ -0,0 +1,98 @@
{
This file is part of the Free Pascal run time library.
Copyright (c) 2005 by Michael Van Canneyt, Peter Vreman,
& Daniel Mantione, members of the Free Pascal development team.
See the file COPYING.FPC, included in this distribution,
for details about the copyright.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
**********************************************************************}
{******************************************************************************
Process start/halt
******************************************************************************}
var
dlexitproc : pointer;
const
BIAS = 2047;
function fpc_getgot : pointer; [external name 'FPC_GETGOT'];
procedure _FPC_proc_start; assembler; nostackframe; public name '_start';
asm
{ first stack frame }
mov %g0, %fp
{ space for arguments }
sub %sp, 6*8, %sp
{$ifdef FPC_PIC}
call FPC_GETGOT
nop
{$endif FPC_PIC}
{ extract argc }
ldx [%sp+BIAS+22*8], %o2
{$ifdef FPC_PIC}
{$else FPC_PIC}
sethi %hi(operatingsystem_parameter_argc),%o1
or %o1,%lo(operatingsystem_parameter_argc),%o1
{$endif FPC_PIC}
stx %o2, [%o1]
{ extract argv }
{$ifdef FPC_PIC}
{$else FPC_PIC}
add %sp, BIAS+23*8, %o0
sethi %hi(operatingsystem_parameter_argv),%o1
or %o1,%lo(operatingsystem_parameter_argv),%o1
{$endif FPC_PIC}
stx %o0, [%o1]
{ envp=argv+(argc+1)*8 }
inc %o2
sllx %o2, 8, %o2
add %o2, %o0, %o2
{$ifdef FPC_PIC}
{$else FPC_PIC}
sethi %hi(operatingsystem_parameter_envp),%o1
or %o1,%lo(operatingsystem_parameter_envp),%o1
{$endif FPC_PIC}
stx %o2, [%o1]
{ Save initial stackpointer }
{$ifdef FPC_PIC}
{$else FPC_PIC}
sethi %hi(initialstkptr),%o1
or %o1,%lo(initialstkptr),%o1
{$endif FPC_PIC}
stx %sp, [%o1]
{ Call main program }
call PASCALMAIN
nop
{ we shuld never return here }
unimp
end;
procedure _FPC_dynamic_proc_start; assembler; nostackframe; public name '_dynamic_start';
asm
end;
procedure _FPC_proc_haltproc(e:longint); cdecl; public name '_haltproc';
begin
if assigned(dlexitproc) then
TProcedure(dlexitproc);
{ try to exit_group }
while true do
asm
ld e,%o0
mov 188, %g1
ta 0x6d
end;
end;