Here is a list of all documented files with brief descriptions:

[detail level 1234]

▼ drmemtrace
analysis_tool.h	DrMemtrace analysis tool base class
analyzer.h	DrMemtrace top-level trace analysis driver
basic_counts_create.h	DrMemtrace basic counting trace analysis tool creation
cache_simulator_create.h	DrMemtrace cache simulator creation
drmemtrace.h	Header for customizing the DrMemtrace tracer
histogram_create.h	DrMemtrace tool that computes the most-referenced cache lines
memref.h	DrMemtrace trace entry structures
opcode_mix_create.h	DrMemtrace opcode mixture trace analysis tool creation
raw2trace.h	DrMemtrace offline trace post-processing customization
reuse_distance_create.h	DrMemtrace reuse distance tool creation
reuse_time_create.h	DrMemtrace reuse time (i.e., reuse distance without regard to uniqueness) tool creation
tlb_simulator_create.h	DrMemtrace TLB simulator creation
trace_entry.h	DrMemtrace trace entry enum types and definitions
▼ dynamorio_package
▼ ext
▼ drcontainers
drtable.h	Header for DynamoRIO DrTable Extension
drvector.h	Header for DynamoRIO DrVector Extension
hashtable.h	Header for DynamoRIO Hashtable Extension
▼ drcovlib
drcovlib.h	Header for DynamoRIO Code Coverage Library
▼ drmgr
drmgr.h	Header for DynamoRIO Multi-Instrumentation Manager Extension
▼ droption
droption.h	Options parsing support
▼ drreg
drreg.h	Header for DynamoRIO Register Management Extension
▼ drsyms
drsyms.h	Header for DRSyms DynamoRIO Extension
▼ drutil
drutil.h	Header for DynamoRIO Instrumentation Utilities Extension
▼ drwrap
drwrap.h	Header for DynamoRIO Function Wrapping and Replacing Extension
▼ drx
drx.h	Header for DynamoRIO eXtension utilities (drx)
▼ include
dr_annotation.h	Annotation handler registration routines
dr_api.h	Top-level include file for DynamoRIO API
dr_app.h	DR's application interface for running portions of a program under its control
dr_config.h	Deployment API for DynamoRIO. Use these functions to register processes to run under DynamoRIO, unregister processes, obtain existing registration information, and nudge running processes
dr_defines.h	Basic defines and type definitions
dr_events.h	Event callback registration routines
dr_frontend.h	Tool front-end API. Use these functions to search for and query the properties of a target application file, check environment variables, and perform other common actions in a tool front-end executable. The library provides cross-platform utilities that support internationalization
dr_inject.h	Injection API. Use these functions to launch processes under the control of DynamoRIO
dr_ir_instr.h	Functions to create and manipulate instructions
dr_ir_instrlist.h	Functions to create and manipulate lists of instructions
dr_ir_macros.h	Cross-platform instruction creation convenience macros
dr_ir_macros_aarch64.h	AArch64-specific instruction creation convenience macros
dr_ir_macros_arm.h	ARM-specific instruction creation convenience macros
dr_ir_macros_x86.h	AMD64/IA-32 instruction creation convenience macros
dr_ir_opcodes_arm.h	Instruction opcode constants for ARM
dr_ir_opcodes_x86.h	Instruction opcode constants for IA-32 and AMD64
dr_ir_opnd.h	Functions and defines to create and manipulate instruction operands
dr_ir_utils.h	Code transformation utilities
dr_proc.h	Utility routines for identifying features of the processor
dr_tools.h	Main API routines, including transparency support