The ARM-THUMB Procedure Call Standard

The ARM-THUMB Procedure Call Standard5.3 Read-write position-independence— PID 175.3.1 Position-independent data addressing 175.3.2 RWPI defined 175.4 Re-entrant code 175.5 Shared libraries 185.6 The shared-library data-addressing architecture 185.7 Stack limit checking 195.8 Chunked stacks 206 STACK UNWINDING 216.1.1 Background 216.1.2 What this standard defines 216.2 Allowed alternatives for unwinding 216.2.1 Basic routine shape 226.2.2 The stack-moves-once condition 226.2.3 Unwinding a fixed size activation record by interpreting an entry sequence 226.2.4 Unwinding a fixed size activation record by executing an exit sequence 236.2.5 Constraints on frame pointers 236.2.6 Unwinding an activation record using a frame pointer 246.3 The shape of routine entry 247 ARM C AND C++ CONVENTIONS 257.1 ANSI C and C++ argument passing conventions 257.2 Narrow arguments 267.3 Result return 267.3.1 Non-floating-point results 267.3.2 Floating-point results 267.3.3 Value-in-registers result return 277.4 __shared_library 278 RATIONALE FOR ATPCS VARIANTS 288.1 The base standard and its variants 288.2 ARM Shared Libraries 298.2.1 Basic static data addressing in a shared-library-using application 308.2.2 Exported data 308.2.3 Base-standard clients 308.3 Dynamically loaded libraries 31SWS ESPC 0002 A-05 Page 3 of 37