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* get_frame_*/get_caller_* does not work yet on MIPS

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git-svn-id: trunk@21239 -
This commit is contained in:
florian 2012-05-05 18:35:22 +00:00
parent edbb826521
commit 6b8f452804
1 changed files with 18 additions and 3 deletions
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21
rtl/mips/mips.inc
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@ -57,21 +57,36 @@ var
{$define FPC_SYSTEM_HAS_GET_FRAME} {$define FPC_SYSTEM_HAS_GET_FRAME}
function get_frame:pointer;assembler;nostackframe; function get_frame:pointer;assembler;nostackframe;
asm asm
lw $2,0($sp) { we need to use the information of the .pdr section to do this properly:
0 proc. start adress
4 regmask
8 reg. offset
12 fmask
16 foffset
20 frame size
24 stack reg
28 link reg
Further, we need to know the pc
}
// lw $2,0($sp)
lui $2,0
end; end;
{$define FPC_SYSTEM_HAS_GET_CALLER_ADDR} {$define FPC_SYSTEM_HAS_GET_CALLER_ADDR}
function get_caller_addr(framebp:pointer):pointer;assembler;nostackframe; function get_caller_addr(framebp:pointer):pointer;assembler;nostackframe;
asm asm
lw $2,4($4) // #movl 4(%eax),%eax // lw $2,4($4) // #movl 4(%eax),%eax
lui $2,0
end; end;
{$define FPC_SYSTEM_HAS_GET_CALLER_FRAME} {$define FPC_SYSTEM_HAS_GET_CALLER_FRAME}
function get_caller_frame(framebp:pointer):pointer;assembler;nostackframe; function get_caller_frame(framebp:pointer):pointer;assembler;nostackframe;
asm asm
lw $2,0($4) // #movl (%eax),%eax // lw $2,0($4) // #movl (%eax),%eax
lui $2,0
end; end;