Here is a list of all documented macros with links to the documentation:

- c -

CONST_M128_CAST : adv_simd.h
CONST_V32_CAST : ppc_simd.h
CONST_V64_CAST : ppc_simd.h
CONST_V8_CAST : ppc_simd.h
COUNTOF : misc.h
CRYPTOPP_API : config_dll.h
CRYPTOPP_ASSERT : trap.h
CRYPTOPP_BOOL_ARM32 : config_cpu.h
CRYPTOPP_BOOL_ARM64 : config_cpu.h
CRYPTOPP_BOOL_ARMV8 : config_cpu.h
CRYPTOPP_BOOL_MIPS32 : config_cpu.h
CRYPTOPP_BOOL_MIPS64 : config_cpu.h
CRYPTOPP_BOOL_PPC32 : config_cpu.h
CRYPTOPP_BOOL_PPC64 : config_cpu.h
CRYPTOPP_BOOL_SLOW_WORD64 : config_int.h
CRYPTOPP_BOOL_SPARC32 : config_cpu.h
CRYPTOPP_BOOL_SPARC64 : config_cpu.h
CRYPTOPP_BOOL_X32 : config_cpu.h
CRYPTOPP_BOOL_X64 : config_cpu.h
CRYPTOPP_BOOL_X86 : config_cpu.h
CRYPTOPP_CMAC_WIDE_BLOCK_CIPHERS : cmac.h
CRYPTOPP_COMPILE_ASSERT : misc.h
CRYPTOPP_DLL_TEMPLATE_CLASS : config_dll.h
CRYPTOPP_DUMMY_DLL_MAC : fips140.h
CRYPTOPP_EXPORTS : config_dll.h
CRYPTOPP_EXTERN_DLL_TEMPLATE_CLASS : config_dll.h
CRYPTOPP_EXTERN_STATIC_TEMPLATE_CLASS : config_dll.h
CRYPTOPP_GNU_STYLE_INLINE_ASSEMBLY : config_cpu.h
CRYPTOPP_IMPORTS : config_dll.h
CRYPTOPP_IS_DLL : config_dll.h
CRYPTOPP_KEYSTREAM_OUTPUT_SWITCH : strciphr.h
CRYPTOPP_KEYSTREAM_OUTPUT_WORD : strciphr.h
CRYPTOPP_KEYSTREAM_OUTPUT_XMM : strciphr.h
CRYPTOPP_L1_CACHE_LINE_SIZE : config_cpu.h
CRYPTOPP_MAJOR : config_ver.h
CRYPTOPP_MINOR : config_ver.h
CRYPTOPP_MS_STYLE_INLINE_ASSEMBLY : config_cpu.h
CRYPTOPP_NO_GLOBAL_BYTE : config_int.h
CRYPTOPP_REVISION : config_ver.h
CRYPTOPP_SECTION_INIT : config_cpu.h
CRYPTOPP_STATIC_TEMPLATE_CLASS : config_dll.h
CRYPTOPP_TABLE : config_dll.h
CRYPTOPP_VERSION : config_ver.h
CRYPTOPP_WORD128_AVAILABLE : config_int.h
CRYPTOPP_XTS_WIDE_BLOCK_CIPHERS : xts.h

- e -

EnumToInt : misc.h

- m -

M128_CAST : adv_simd.h
MAYBE_CONST : adv_simd.h
MAYBE_UNCONST_CAST : adv_simd.h
MEMORY_BARRIER : misc.h

- n -

NCONST_V32_CAST : ppc_simd.h
NCONST_V64_CAST : ppc_simd.h
NCONST_V8_CAST : ppc_simd.h

- s -

SIZE_MAX : misc.h
SW64LIT : config_int.h

- w -

W64LIT : config_int.h