Compile Options, 64-Bit Kernel

Compile Options, 64-Bit Kernel

The cc and ld options listed in Table 10-3 are needed to compile and link a kernel-level driver for a 64-bit kernel in IRIX 6.2.

Compiler Options for 64-Bit Kernel Modules
Option Purpose
-non_shared Do not compile for shared libraries (dynamic linking).
-elf Compile and link an ELF binary.
-64 -mips3 Create a 32-bit executable for the MIPS III architecture. You can use -mips4 instead, but only in a system based on the R10000 processor.
-G 8 In a nonloadable driver, use the global table for objects up to 8 bytes.
-G 0 In a loadable driver, do not use the global table. Refer to the gp_overflow(5) reference page for a discussion of the global table.
-O2 Maximum recommended optimization level.
-TENV:kernel
-TENV:misalignment=1
Execution environment options for 64-bit compiler.
-OPT:space
-OPT:quad_align_branch_targets=FALSE
-OPT:quad_align_with_memops=FALSE
-OPT:unroll_times=0
Specific optimization constraints for 64-bit compiler.

Compiler Options for 64-Bit Kernel Modules
Option	Purpose
-non_shared	Do not compile for shared libraries (dynamic linking).
-elf	Compile and link an ELF binary.
-64 -mips3	Create a 32-bit executable for the MIPS III architecture. You can use -mips4 instead, but only in a system based on the R10000 processor.
-G 8	In a nonloadable driver, use the global table for objects up to 8 bytes.
-G 0	In a loadable driver, do not use the global table. Refer to the gp_overflow(5) reference page for a discussion of the global table.
-O2	Maximum recommended optimization level.
-TENV:kernel -TENV:misalignment=1	Execution environment options for 64-bit compiler.
-OPT:space -OPT:quad_align_branch_targets=FALSE -OPT:quad_align_with_memops=FALSE -OPT:unroll_times=0	Specific optimization constraints for 64-bit compiler.