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+# Provides some useful debugging macros.  To use this file, copy to your home
+# directory or to your simulation directory then run GPGPU-Sim in gdb.
+
+printf "\n  ** loading GPGPU-Sim debugging macros... ** \n\n"
+
+set print pretty
+set print array-indexes
+set unwindonsignal on
+
+define dp
+        call dump_pipeline_impl((0x40|0x4|0x1),$arg0,0)
+end
+
+document dp
+Usage: dp <index>
+Display pipeline state.
+<index>: index of shader core you would like to see the pipeline state of
+
+This function displays the state of the pipeline on a single shader core
+(setting different values for the first argument of the call to
+dump_pipeline_impl will cause different information to be displayed--
+see the source code for more details)
+end
+
+define dpc
+        call dump_pipeline_impl((0x40|0x4|0x1),$arg0,0)
+        continue
+end
+
+document dpc
+Usage: dpc <index>
+Display pipeline state, then continue to next breakpoint.
+<index>: index of shader core you would like to see the pipeline state of
+
+This version is useful if you set a breakpoint where gpu_sim_cycle is
+incremented in gpu_sim_loop() in src/gpgpu-sim/gpu-sim.c
+repeatly hitting enter will advance to show the pipeline contents on
+the next cycle.
+end
+
+define ptxdis
+	set $addr=$arg0
+	printf "disassemble instructions from 0x%x to 0x%x\n", $arg0, $arg1
+	call fflush(stdout)
+	while ( $addr <= $arg1 )
+	      printf "0x%04x (%4u)  : ", $addr, $addr
+	      call ptx_print_insn( $addr, stdout )
+	      call fflush(stdout)
+	      set $addr = $addr + 1
+	end
+end
+
+document ptxdis
+Usage: ptxdis <start> <end>
+Disassemble PTX instructions between <start> and <end> (PCs).
+end
+
+define ptxdis_func
+	set $ptx_tinfo = (ptx_thread_info*)sc[$arg0]->thread[$arg1].ptx_thd_info
+	set $finfo = $ptx_tinfo->m_func_info
+	set $minpc = $finfo->m_start_PC
+	set $maxpc = $minpc + $finfo->m_instr_mem_size
+	printf "disassembly of function %s (min pc = %u, max pc = %u):\n", $finfo->m_name.c_str(), $minpc, $maxpc
+	ptxdis $minpc $maxpc $arg0 $arg1
+end
+
+document ptxdis_func
+Usage: ptxdis_func <shd_idx> <tid>
+<shd_idx>: shader core number
+<tid>: thread ID
+end
+
+define ptx_tids2pcs
+	set $i = 0
+	while ( $i < $arg1 )
+		set $tid =  $arg0[$i]
+  		set $addr = ((ptx_thread_info*)sc[$arg2]->thread[$tid].ptx_thd_info)->m_PC
+		printf "%2u : tid = %3u  => pc = %d\n", $i, $tid, $addr
+		set $i = $i + 1
+	end
+end
+
+document ptx_tids2pcs
+Usage: ptx_tids2pcs <tids> <tidslen> <shd_idx>
+<tids>: array of tids
+<tidslen>: length of <tids> array
+<shd_idx>: shader core number
+end