47ae93cdfe
Implementation of linux user emulation for RISC-V. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Sagar Karandikar <sagark@eecs.berkeley.edu> Signed-off-by: Michael Clark <mjc@sifive.com>
57 lines
1.1 KiB
C
57 lines
1.1 KiB
C
/*
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* This struct defines the way the registers are stored on the
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* stack during a system call.
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*
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* Reference: linux/arch/riscv/include/uapi/asm/ptrace.h
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*/
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struct target_pt_regs {
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abi_long sepc;
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abi_long ra;
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abi_long sp;
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abi_long gp;
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abi_long tp;
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abi_long t0;
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abi_long t1;
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abi_long t2;
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abi_long s0;
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abi_long s1;
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abi_long a0;
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abi_long a1;
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abi_long a2;
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abi_long a3;
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abi_long a4;
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abi_long a5;
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abi_long a6;
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abi_long a7;
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abi_long s2;
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abi_long s3;
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abi_long s4;
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abi_long s5;
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abi_long s6;
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abi_long s7;
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abi_long s8;
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abi_long s9;
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abi_long s10;
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abi_long s11;
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abi_long t3;
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abi_long t4;
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abi_long t5;
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abi_long t6;
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};
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#ifdef TARGET_RISCV32
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#define UNAME_MACHINE "riscv32"
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#else
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#define UNAME_MACHINE "riscv64"
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#endif
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#define UNAME_MINIMUM_RELEASE "3.8.0"
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#define TARGET_MINSIGSTKSZ 2048
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#define TARGET_MLOCKALL_MCL_CURRENT 1
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#define TARGET_MLOCKALL_MCL_FUTURE 2
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/* clone(flags, newsp, ptidptr, tls, ctidptr) for RISC-V */
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/* This comes from linux/kernel/fork.c, CONFIG_CLONE_BACKWARDS */
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#define TARGET_CLONE_BACKWARDS
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