Defined in 3 files as a prototype:

• sys/arm64/include/reg.h, line 85 (as a prototype)
• sys/mips/include/reg.h, line 102 (as a prototype)
• sys/x86/include/reg.h, line 262 (as a prototype)

Defined in 1 files as a macro:

• sys/powerpc/include/reg.h, line 78 (as a macro)

Defined in 3 files as a function:

• sys/amd64/ia32/ia32_reg.c, line 143 (as a function)
• sys/arm64/arm64/machdep.c, line 313 (as a function)
• sys/mips/mips/freebsd32_machdep.c, line 188 (as a function)

Referenced in 3 files:

• sys/kern/imgact_elf.c, line 2206
• sys/kern/sys_process.c, line 210
• sys/mips/mips/freebsd32_machdep.c, line 410