Adds dr_annotation_pass_pc() which puts the interrutped app PC into one of DR's scratch TLS slots (since it is difficult to pass it in an argument, due to clobbering application tate).
Adds a test.
Fixes #4146 (closed)
Adds dr_annotation_pass_pc() which puts the interrutped app PC into one of DR's scratch TLS slots (since it is difficult to pass it in an argument, due to clobbering application tate).
Adds a test.
Fixes #4146 (closed)