Greentime Hu 0c59922c76 riscv: Add ptrace vector support ... This patch adds ptrace support for riscv vector. The vector registers will be saved in datap pointer of __riscv_v_ext_state. This pointer will be set right after the __riscv_v_ext_state data structure then it will be put in ubuf for ptrace system call to get or set. It will check if the datap got from ubuf is set to the correct address or not when the ptrace system call is trying to set the vector registers. Co-developed-by: Vincent Chen <vincent.chen@sifive.com> Signed-off-by: Vincent Chen <vincent.chen@sifive.com> Signed-off-by: Greentime Hu <greentime.hu@sifive.com> Signed-off-by: Andy Chiu <andy.chiu@sifive.com> Reviewed-by: Conor Dooley <conor.dooley@microchip.com> Reviewed-by: Palmer Dabbelt <palmer@rivosinc.com> Link: https://lore.kernel.org/r/20230605110724.21391-13-andy.chiu@sifive.com Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>		2023-06-08 07:16:45 -07:00
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asm	riscv: Allocate user's vector context in the first-use trap	2023-06-08 07:16:44 -07:00
uapi/asm	riscv: Add ptrace vector support	2023-06-08 07:16:45 -07:00