Mercurial > hg > truffle
diff src/gpu/hsail/vm/gpu_hsail_Frame.hpp @ 14768:3e9a960f0da1
HSAIL: preliminary deopt support
Contributed-by: Tom Deneau <tom.deneau@amd.com>
author | Doug Simon <doug.simon@oracle.com> |
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date | Wed, 26 Mar 2014 17:33:54 +0100 |
parents | |
children | a250a512434d |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/gpu/hsail/vm/gpu_hsail_Frame.hpp Wed Mar 26 17:33:54 2014 +0100 @@ -0,0 +1,44 @@ +#ifndef GPU_HSAIL_FRAME_HPP +#define GPU_HSAIL_FRAME_HPP + +#include "graal/graalEnv.hpp" +#include "code/debugInfo.hpp" +#include "code/location.hpp" + +// maximum registers that could be saved for now +#define MAX_SREGS 32 +#define MAX_DREGS 16 + +class HSAILFrame { + friend class VMStructs; +private: + jint _pc_offset; // The HSAIL "pc_offset" where the exception happens + jbyte _num_s_regs; + jbyte _num_d_regs; + jshort _dreg_oops_map; // bits = 1 if that dreg is an oop + jlong _save_area[MAX_SREGS/2 + MAX_DREGS]; + +public: + // Accessors + jint pc_offset() { return _pc_offset; } + jint num_s_regs() {return _num_s_regs; } + jint num_d_regs() {return _num_d_regs; } + jint dreg_oops_map() {return _dreg_oops_map; } + jlong get_d_reg(int idx) { + char *p = (char *) _save_area; + int ofst = num_s_regs() * 4 + idx * 8; + return(*(jlong *) (p + ofst)); + } + jint get_s_reg(int idx) { + char *p = (char *) _save_area; + int ofst = idx * 4; + return(*(jint *) (p + ofst)); + } + void put_d_reg(int idx, jlong val) { + char *p = (char *) _save_area; + int ofst = num_s_regs() * 4 + idx * 8; + (*(jlong *) (p + ofst)) = val; + } +}; + +#endif // GPU_HSAIL_FRAME_HPP