hipgenisa.sh improvements

- hipgenisa now unmangles kernel names
 - hipgenisa now uses a random temporary directory

Change-Id: I1d0204336bd8042dcf3f39c8f905fcceebd6b785


[ROCm/clr commit: 2c11ce3515]

projects/clr/hipamd/bin/hipgenisa.sh

@@ -21,17 +21,22 @@ HIP_PATH="$( command cd -P "$( dirname "$SOURCE" )/.." && pwd )"
 
 export KMDUMPISA=1
 export KMDUMPLLVM=1
-mkdir /tmp/hipgenisa
-#cp $FILE_NAMES $FILE_NAMES.kernel.tmp.cpp
+hipgenisa_dir=`mktemp -d --tmpdir=/tmp hip.XXXXXXXX`;
 sed 's/extern \+"C" \+//g' $FILE_NAMES > $FILE_NAMES.kernel.tmp.cpp
 echo "
 int main(){}
 " >> $FILE_NAMES.kernel.tmp.cpp
-$HIP_PATH/bin/hipcc $FILE_NAMES.kernel.tmp.cpp -o /tmp/hipgenisa/a.out
-mv dump.* /tmp/hipgenisa/
-$ROCM_PATH/hcc-lc/bin/llvm-mc -arch=amdgcn -mcpu=$TARGET -filetype=obj /tmp/hipgenisa/dump.isa -o /tmp/hipgenisa/dump.o
-$ROCM_PATH/llvm/bin/clang -target amdgcn--amdhsa /tmp/hipgenisa/dump.o -o $OUTPUT_FILE
+$HIP_PATH/bin/hipcc $FILE_NAMES.kernel.tmp.cpp -o $hipgenisa_dir/a.out
+mv dump.* $hipgenisa_dir
+$ROCM_PATH/hcc-lc/bin/llvm-mc -arch=amdgcn -mcpu=$TARGET -filetype=obj $hipgenisa_dir/dump.isa -o $hipgenisa_dir/dump.o
+$ROCM_PATH/llvm/bin/clang -target amdgcn--amdhsa $hipgenisa_dir/dump.o -o $hipgenisa_dir/dump.co
+map_sym=""
+kernels=$(objdump -t $hipgenisa_dir/dump.co | grep grid_launch_parm | sed 's/ \+/ /g; s/\t/ /g' | cut -d" " -f6)
+for mangled_sym in $kernels
+do
+  real_sym=$(c++filt $(c++filt _$mangled_sym | cut -d: -f3 | sed 's/_functor//g') | cut -d\( -f1)
+  map_sym="--redefine-sym $mangled_sym=$real_sym $map_sym"
+done
+objcopy -F elf64-little $map_sym $hipgenisa_dir/dump.co $OUTPUT_FILE
 rm $FILE_NAMES.kernel.tmp.cpp
-rm -r /tmp/hipgenisa
-export KMDUMPISA=0
-export KMDUMPLLVM=0
+rm -r $hipgenisa_dir