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comparison src/gpu/hsail/vm/gpu_hsail_Frame.hpp @ 14768:3e9a960f0da1

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HSAIL: preliminary deopt support Contributed-by: Tom Deneau <tom.deneau@amd.com>
author Doug Simon <doug.simon@oracle.com>
date Wed, 26 Mar 2014 17:33:54 +0100
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14767:ded08e344e4a 14768:3e9a960f0da1
1 #ifndef GPU_HSAIL_FRAME_HPP
2 #define GPU_HSAIL_FRAME_HPP
3
4 #include "graal/graalEnv.hpp"
5 #include "code/debugInfo.hpp"
6 #include "code/location.hpp"
7
8 // maximum registers that could be saved for now
9 #define MAX_SREGS 32
10 #define MAX_DREGS 16
11
12 class HSAILFrame {
13 friend class VMStructs;
14 private:
15 jint _pc_offset; // The HSAIL "pc_offset" where the exception happens
16 jbyte _num_s_regs;
17 jbyte _num_d_regs;
18 jshort _dreg_oops_map; // bits = 1 if that dreg is an oop
19 jlong _save_area[MAX_SREGS/2 + MAX_DREGS];
20
21 public:
22 // Accessors
23 jint pc_offset() { return _pc_offset; }
24 jint num_s_regs() {return _num_s_regs; }
25 jint num_d_regs() {return _num_d_regs; }
26 jint dreg_oops_map() {return _dreg_oops_map; }
27 jlong get_d_reg(int idx) {
28 char *p = (char *) _save_area;
29 int ofst = num_s_regs() * 4 + idx * 8;
30 return(*(jlong *) (p + ofst));
31 }
32 jint get_s_reg(int idx) {
33 char *p = (char *) _save_area;
34 int ofst = idx * 4;
35 return(*(jint *) (p + ofst));
36 }
37 void put_d_reg(int idx, jlong val) {
38 char *p = (char *) _save_area;
39 int ofst = num_s_regs() * 4 + idx * 8;
40 (*(jlong *) (p + ofst)) = val;
41 }
42 };
43
44 #endif // GPU_HSAIL_FRAME_HPP