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vm: frame size for signal handler code blocks

db4
Joe Groff 2011-11-30 12:39:21 -08:00
parent 0b94018d9f
commit 1911905c6b
12 changed files with 27 additions and 14 deletions
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3
basis/cpu/x86/32/bootstrap.factor
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@ -10,6 +10,7 @@ IN: bootstrap.x86
4 \ cell set
: leaf-stack-frame-size ( -- n ) 4 bootstrap-cells ;
: signal-handler-stack-frame-size ( -- n ) 12 bootstrap-cells ;
: stack-frame-size ( -- n ) 8 bootstrap-cells ;
: shift-arg ( -- reg ) ECX ;
: div-arg ( -- reg ) EAX ;
@ -104,7 +105,7 @@ IN: bootstrap.x86
! peform their own prolog/epilog preserving registers.
:: jit-signal-handler-prolog ( -- frame-size )
stack-frame-size 8 bootstrap-cells + :> frame-size
signal-handler-stack-frame-size :> frame-size
! minus a cell each for flags and return address
! use LEA so we don't dirty flags
ESP ESP frame-size 2 bootstrap-cells - neg [+] LEA

2
basis/cpu/x86/64/bootstrap.factor
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@ -97,6 +97,8 @@ IN: bootstrap.x86
:: jit-signal-handler-prolog ( -- frame-size )
signal-handler-save-regs :> save-regs
save-regs length 1 + bootstrap-cells 16 align stack-frame-size + :> frame-size
frame-size signal-handler-stack-frame-size =
[ "unexpected signal handler frame size" throw ] unless
! minus a cell each for flags, return address
! use LEA so we don't dirty flags
RSP RSP frame-size 2 bootstrap-cells - neg [+] LEA

1
basis/cpu/x86/64/unix/bootstrap.factor
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@ -6,6 +6,7 @@ sequences system vocabs ;
IN: bootstrap.x86
: leaf-stack-frame-size ( -- n ) 4 bootstrap-cells ;
: signal-handler-stack-frame-size ( -- n ) 20 bootstrap-cells ;
: stack-frame-size ( -- n ) 4 bootstrap-cells ;
: nv-regs ( -- seq ) { RBX R12 R13 R14 R15 } ;
: volatile-regs ( -- seq ) { RAX RCX RDX RSI RDI R8 R9 R10 R11 } ;

1
basis/cpu/x86/64/windows/bootstrap.factor
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@ -8,6 +8,7 @@ IN: bootstrap.x86
DEFER: stack-reg
: leaf-stack-frame-size ( -- n ) 4 bootstrap-cells ;
: signal-handler-stack-frame-size ( -- n ) 24 bootstrap-cells ;
: stack-frame-size ( -- n ) 8 bootstrap-cells ;
: nv-regs ( -- seq ) { RBX RSI RDI R12 R13 R14 R15 } ;
: volatile-regs ( -- seq ) { RAX RCX RDX R8 R9 R10 R11 } ;

5
vm/cpu-x86.32.hpp
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@ -3,9 +3,10 @@ namespace factor
#define FACTOR_CPU_STRING "x86.32"
/* Must match the leaf-stack-frame-size stack-frame-size constants in
cpu/x86/32/bootstrap.factor */
/* Must match the leaf-stack-frame-size, signal-handler-stack-frame-size,
and stack-frame-size constants in cpu/x86/32/bootstrap.factor */
static const unsigned LEAF_FRAME_SIZE = 16;
static const unsigned SIGNAL_HANDLER_STACK_FRAME_SIZE = 48;
static const unsigned JIT_FRAME_SIZE = 32;
}

2
vm/inline_cache.cpp
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@ -141,7 +141,7 @@ code_block *factor_vm::compile_inline_cache(fixnum index,
methods.value(),
cache_entries.value(),
tail_call_p);
code_block *code = jit.to_code_block();
code_block *code = jit.to_code_block(JIT_FRAME_SIZE);
initialize_code_block(code);
return code;
}

4
vm/jit.cpp
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@ -124,7 +124,7 @@ void jit::compute_position(cell offset_)
}
/* Allocates memory */
code_block *jit::to_code_block()
code_block *jit::to_code_block(cell frame_size)
{
/* Emit dummy GC info */
code.grow_bytes(alignment_for(code.count + 4,data_alignment));
@ -144,7 +144,7 @@ code_block *jit::to_code_block()
relocation.elements.value(),
parameters.elements.value(),
literals.elements.value(),
JIT_FRAME_SIZE);
frame_size);
}
}

2
vm/jit.hpp
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@ -68,7 +68,7 @@ struct jit {
}
code_block *to_code_block();
code_block *to_code_block(cell frame_size);
private:
jit(const jit&);

5
vm/os-linux-x86.64.hpp
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@ -28,9 +28,10 @@ inline static void uap_clear_fpu_status(void *uap)
#define UAP_STACK_POINTER_TYPE greg_t
/* Must match the leaf-stack-frame-size and stack-frame-size constants
in basis/cpu/x86/64/unix/bootstrap.factor */
/* Must match the leaf-stack-frame-size, signal-handler-stack-frame-size,
and stack-frame-size constants in basis/cpu/x86/64/unix/bootstrap.factor */
static const unsigned LEAF_FRAME_SIZE = 32;
static const unsigned SIGNAL_HANDLER_STACK_FRAME_SIZE = 160;
static const unsigned JIT_FRAME_SIZE = 32;
}

5
vm/os-macosx-x86.64.hpp
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@ -73,9 +73,10 @@ inline static void uap_clear_fpu_status(void *uap)
mach_clear_fpu_status(UAP_FS(uap));
}
/* Must match the leaf-stack-frame-size and stack-frame-size constants
in basis/cpu/x86/64/unix/bootstrap.factor */
/* Must match the leaf-stack-frame-size, signal-handler-stack-frame-size,
and stack-frame-size constants in basis/cpu/x86/64/unix/bootstrap.factor */
static const unsigned LEAF_FRAME_SIZE = 32;
static const unsigned SIGNAL_HANDLER_STACK_FRAME_SIZE = 160;
static const unsigned JIT_FRAME_SIZE = 32;
}

5
vm/os-windows.64.hpp
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@ -8,9 +8,10 @@ namespace factor
#define MXCSR(ctx) (ctx)->MxCsr
/* Must match the leaf-stack-frame-size and stack-frame-size constants
in basis/cpu/x86/64/windows/bootstrap.factor */
/* Must match the leaf-stack-frame-size, signal-handler-stack-frame-size,
and stack-frame-size constants in basis/cpu/x86/64/windows/bootstrap.factor */
static const unsigned LEAF_FRAME_SIZE = 32;
static const unsigned SIGNAL_HANDLER_STACK_FRAME_SIZE = 192;
static const unsigned JIT_FRAME_SIZE = 64;
}

6
vm/quotations.cpp
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@ -319,7 +319,11 @@ code_block *factor_vm::jit_compile_quot(cell owner_, cell quot_, bool relocating
compiler.init_quotation(quot.value());
compiler.iterate_quotation();
code_block *compiled = compiler.to_code_block();
cell frame_size = compiler.special_subprimitive_p(owner_)
? SIGNAL_HANDLER_STACK_FRAME_SIZE
: JIT_FRAME_SIZE;
code_block *compiled = compiler.to_code_block(frame_size);
if(relocating) initialize_code_block(compiled);