paweld/fpc
1
0
Fork 0
mirror of https://gitlab.com/freepascal.org/fpc/source.git synced 2025-08-26 20:50:30 +02:00
Code Issues Packages Projects Releases Wiki Activity

* Changed attributes of .pdata section so it is smart-linkable on x86_64.

Browse Source 
* Changed alignment of .pdata section to 4.
+ Support saving RELOC_NONE relocations to .o files and reading them back on x86_64.

git-svn-id: trunk@19070 -
This commit is contained in:
sergei 2011-09-15 15:22:03 +00:00
parent 782cdd8e9a
commit 6280ee2eed
3 changed files with 15 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
compiler/ogbase.pas
View File

@ -926,7 +926,7 @@ implementation
,oso_keep
{$endif FPC_USE_TLS_DIRECTORY}
],
{pdata} [oso_load,oso_readonly,oso_keep],
{pdata} [oso_data,oso_load,oso_readonly {$ifndef x86_64},oso_keep{$endif}],
{stub} [oso_Data,oso_load,oso_readonly,oso_executable],
{data_nonlazy} [oso_Data,oso_load,oso_write],
{data_lazy} [oso_Data,oso_load,oso_write],
@ -1001,8 +1001,10 @@ implementation
{ For idata (at least idata2) it must be 4 bytes, because
an entry is always (also in win64) 20 bytes and aligning
on 8 bytes will insert 4 bytes between the entries resulting
in a corrupt idata section }
sec_idata2,sec_idata4,sec_idata5,sec_idata6,sec_idata7:
in a corrupt idata section.
Same story with .pdata, it has 4-byte elements which should
be packed without gaps. }
sec_idata2,sec_idata4,sec_idata5,sec_idata6,sec_idata7,sec_pdata:
result:=4;
else
result:=sizeof(pint);

6
compiler/ogcoff.pas
View File

@ -1315,6 +1315,8 @@ const pemagic : array[0..3] of byte = (
rel.reloctype:=IMAGE_REL_I386_SECREL32;
{$endif i386}
{$ifdef x86_64}
RELOC_NONE :
rel.reloctype:=IMAGE_REL_AMD64_ABSOLUTE;
RELOC_RELATIVE :
rel.reloctype:=IMAGE_REL_AMD64_REL32;
RELOC_ABSOLUTE32 :
@ -1639,6 +1641,8 @@ const pemagic : array[0..3] of byte = (
rel_type:=RELOC_SECREL32;
{$endif i386}
{$ifdef x86_64}
IMAGE_REL_AMD64_ABSOLUTE:
rel_type:=RELOC_NONE;
IMAGE_REL_AMD64_REL32:
rel_type:=RELOC_RELATIVE;
IMAGE_REL_AMD64_ADDR32,
@ -1933,7 +1937,9 @@ const pemagic : array[0..3] of byte = (
begin
if (Copy(secname,1,6)='.edata') or
(Copy(secname,1,5)='.rsrc') or
{$ifndef x86_64}
(Copy(secname,1,6)='.pdata') or
{$endif}
(Copy(secname,1,4)='.fpc') then
include(secoptions,oso_keep);
if (Copy(secname,1,6)='.idata') then

5
compiler/systems/t_win.pas
View File

@ -1024,9 +1024,10 @@ implementation
Concat(' SYMBOL __RUNTIME_PSEUDO_RELOC_LIST_END__');
Concat(' OBJSECTION .rdata*');
Concat(' OBJSECTION .rodata*');
Concat(' OBJSECTION .xdata*');
Concat('ENDEXESECTION');
Concat('EXESECTION .pdata');
Concat(' OBJSECTION .pdata');
Concat(' OBJSECTION .pdata*');
Concat('ENDEXESECTION');
Concat('EXESECTION .bss');
Concat(' SYMBOL __bss_start__');
@ -1066,7 +1067,9 @@ implementation
Concat(' OBJSECTION .idata$3*');
Concat(' ZEROS 20');
Concat(' OBJSECTION .idata$4*');
Concat(' SYMBOL __IAT_start__');
Concat(' OBJSECTION .idata$5*');
Concat(' SYMBOL __IAT_end__');
Concat(' OBJSECTION .idata$6*');
Concat(' OBJSECTION .idata$7*');
Concat('ENDEXESECTION');