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https://github.com/GOSTSec/sgminer
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Only try to patch GPU referenced.
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parent
f6486efb71
commit
401586f92a
59
ocl.c
59
ocl.c
@ -379,44 +379,35 @@ _clState *initCl(unsigned int gpu, char *name, size_t nameSize)
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/* copy over all of the generated binaries. */
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binaries = (char **)malloc( sizeof(char *)*nDevices );
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for( i = 0; i < nDevices; i++ ) {
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if (opt_debug)
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applog(LOG_DEBUG, "binary size %d : %d", i, binary_sizes[i]);
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if( binary_sizes[i] != 0 )
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binaries[i] = (char *)malloc( sizeof(char)*binary_sizes[i] );
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else
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binaries[i] = NULL;
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}
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if (opt_debug)
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applog(LOG_DEBUG, "binary size %d : %d", gpu, binary_sizes[gpu]);
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binaries[gpu] = (char *)malloc( sizeof(char)*binary_sizes[i] );
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err = clGetProgramInfo( clState->program, CL_PROGRAM_BINARIES, sizeof(char *)*nDevices, binaries, NULL );
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for (i = 0; i < nDevices; i++) {
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if (!binaries[i])
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continue;
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unsigned remaining = binary_sizes[gpu];
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char *w = binaries[gpu];
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unsigned int start, length;
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unsigned remaining = binary_sizes[i];
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char *w = binaries[i];
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unsigned int start, length;
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/* Find 2nd incidence of .text, and copy the program's
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* position and length at a fixed offset from that. Then go
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* back and find the 2nd incidence of \x7ELF (rewind by one
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* from ELF) and then patch the opcocdes */
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advance(&w, &remaining, ".text");
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w++; remaining--;
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advance(&w, &remaining, ".text");
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memcpy(&start, w + 285, 4);
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memcpy(&length, w + 289, 4);
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w = binaries[gpu]; remaining = binary_sizes[gpu];
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advance(&w, &remaining, "ELF");
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w++; remaining--;
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advance(&w, &remaining, "ELF");
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w--; remaining++;
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w += start; remaining -= start;
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if (opt_debug)
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applog(LOG_DEBUG, "At %p (%u rem. bytes), to begin patching",
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w, remaining);
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patch_opcodes(w, length);
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/* Find 2nd incidence of .text, and copy the program's
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* position and length at a fixed offset from that. Then go
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* back and find the 2nd incidence of \x7ELF (rewind by one
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* from ELF) and then patch the opcocdes */
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advance(&w, &remaining, ".text");
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w++; remaining--;
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advance(&w, &remaining, ".text");
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memcpy(&start, w + 285, 4);
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memcpy(&length, w + 289, 4);
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w = binaries[i]; remaining = binary_sizes[i];
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advance(&w, &remaining, "ELF");
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w++; remaining--;
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advance(&w, &remaining, "ELF");
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w--; remaining++;
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w += start; remaining -= start;
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if (opt_debug)
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applog(LOG_DEBUG, "At %p (%u rem. bytes), to begin patching",
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w, remaining);
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patch_opcodes(w, length);
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}
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status = clReleaseProgram(clState->program);
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if(status != CL_SUCCESS)
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{
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