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Refactor:hook implementation with centralized type definitions and improved enums #115

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2 changes: 1 addition & 1 deletion README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -37,7 +37,7 @@ _CUDA_DEVICE_SM_LIMIT_ indicates the sm utility percentage of each device

```bash
# Add 1GiB memory limit and set max SM utility to 50% for all devices
export LD_PRELOAD=./libvgpu.so
export LD_PRELOAD=./build/libvgpu.so
export CUDA_DEVICE_MEMORY_LIMIT=1g
export CUDA_DEVICE_SM_LIMIT=50
```
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4 changes: 2 additions & 2 deletions src/cuda/hook.c
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Expand Up @@ -2,12 +2,12 @@
#include <string.h>
#include "include/libvgpu.h"
#include "include/multi_func_hook.h"

#include "include/hook.h"

typedef void* (*fp_dlsym)(void*, const char*);
extern fp_dlsym real_dlsym;

cuda_entry_t cuda_library_entry[] = {
entry_t cuda_library_entry[] = {
/* Init Part */
{.name = "cuInit"},
/* Deivce Part */
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13 changes: 13 additions & 0 deletions src/include/hook.h
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@@ -0,0 +1,13 @@
#ifndef __HOOK_H__
#define __HOOK_H__

typedef struct {
void *fn_ptr; // function pointer
char *name; //function name
} entry_t;

#define OVERRIDE_ENUM(x) OVERRIDE_##x

#define FIND_ENTRY(table, sym) ({ (table)[OVERRIDE_ENUM(sym)].fn_ptr; })

#endif // __HOOK_H__
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