* don't exit the program in the exit code of shared libraries under Linux

(mantis #14958)

git-svn-id: trunk@14184 -

.gitattributes

@@ -10025,6 +10025,8 @@ tests/webtbs/tw14798.pp svneol=native#text/plain
 tests/webtbs/tw14812.pp svneol=native#text/plain
 tests/webtbs/tw1485.pp svneol=native#text/plain
 tests/webtbs/tw1489.pp svneol=native#text/plain
+tests/webtbs/tw14958a.pp svneol=native#text/plain
+tests/webtbs/tw14958b.pp svneol=native#text/plain
 tests/webtbs/tw1501.pp svneol=native#text/plain
 tests/webtbs/tw15088.pp svneol=native#text/plain
 tests/webtbs/tw1532.pp svneol=native#text/plain
@@ -10896,6 +10898,7 @@ tests/webtbs/uw13345c.pp svneol=native#text/plain
 tests/webtbs/uw13345y.pp svneol=native#text/plain
 tests/webtbs/uw13583.pp svneol=native#text/plain
 tests/webtbs/uw14124.pp svneol=native#text/plain
+tests/webtbs/uw14958.pp svneol=native#text/plain
 tests/webtbs/uw2004.inc svneol=native#text/plain
 tests/webtbs/uw2040.pp svneol=native#text/plain
 tests/webtbs/uw2266a.inc svneol=native#text/plain

rtl/linux/i386/si_dll.inc

@@ -76,24 +76,4 @@ procedure _FPC_shared_lib_haltproc; assembler; nostackframe; public name 'FPC_SH
 asm
 .Lhaltproc:
   call	  lib_exit
- {$ifdef FPC_PIC}
-  call    get1eipasebx
-  addl    $_GLOBAL_OFFSET_TABLE_,%ebx
-  movl    ExitCode@GOT(%ebx),%ebx
- {$if sizeof(ExitCode)=2}
-  movzwl  (%ebx),%ebx
- {$else}
-  mov     (%ebx),%ebx
- {$endif}
-{$else FPC_PIC}
- {$if sizeof(ExitCode)=2}
-  movzwl  ExitCode,%ebx
- {$else}
-  mov     ExitCode,%ebx
- {$endif}
-{$endif FPC_PIC}
-  xorl    %eax,%eax
-  incl    %eax                    { eax=1, exit call }
-  int     $0x80
-  jmp     .Lhaltproc
 end;

rtl/linux/x86_64/dllprt0.as

@@ -72,11 +72,7 @@ _haltproc:
 	.type FPC_SHARED_LIB_EXIT,@function
 FPC_SHARED_LIB_EXIT:
 	call	FPC_LIB_EXIT@PLT
-        movl    $231,%eax                 /* exit_group call */
-        movq    operatingsystem_result@GOTPCREL(%rip),%rbx
-        movzwl  (%rbx),%edi
-        syscall
-        jmp     _haltproc@PLT
+	ret
 
 /* Define a symbol for the first piece of initialized data.  */
 	.data

tests/webtbs/tw14958a.pp

@@ -0,0 +1,14 @@
+{ %target=linux }
+{ %norun }
+library tw14958a;
+
+uses
+  uw14958;
+
+exports
+  Fun;
+
+begin
+  Writeln('  ExLib Main');
+end.
+

tests/webtbs/tw14958b.pp

@@ -0,0 +1,36 @@
+{ %target=linux }
+{ %needlibrary }
+{ %result=182 }
+program loadlib;
+
+{$mode objfpc}{$H+}
+
+uses
+  dl,dynlibs;
+
+var
+  p: Pointer;
+  s: Longint;
+begin
+  Writeln('Opening ', ParamStr(1));
+  p := dlopen('./libtw14958a.so', RTLD_LAZY);
+  if Assigned(p) then
+  begin
+    Writeln('OK. Now closing.');
+    s := dlclose(p);
+    Writeln('After close.');
+    if s = 0 then
+      begin
+        Writeln('Close OK.');
+        halt(182);
+      end
+    else
+      Writeln('Failed close. Status: ', s);
+  end
+  else
+    begin
+      Writeln('Failed open.');
+      halt(1);
+    end;
+end.
+

tests/webtbs/uw14958.pp

@@ -0,0 +1,20 @@
+unit uw14958;
+
+interface
+
+function Fun: Boolean; stdcall;
+
+implementation
+
+function Fun: Boolean; stdcall;
+begin
+  Fun := False;
+end;
+
+initialization
+  Writeln('  ExLib Init');
+
+finalization
+  Writeln('  ExLib Final');
+
+end.