Re: [PATCH 15/18] bsd-user: Implement RISC-V signal trampoline setup fun

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Re: [PATCH 15/18] bsd-user: Implement RISC-V signal trampoline setup fun

From:	Richard Henderson
Subject:	Re: [PATCH 15/18] bsd-user: Implement RISC-V signal trampoline setup functions
Date:	Sat, 3 Aug 2024 19:33:31 +1000
User-agent:	Mozilla Thunderbird

On 8/3/24 10:04, Warner Losh wrote:

     > +     regs->pc = ka->_sa_handler;
     > +     regs->gpr[2] = frame_addr;
     > +     regs->gpr[1] = TARGET_PS_STRINGS - TARGET_SZSIGCODE;

    xRA, xSP.
So to be clear, this is 'use these constants rather than the raw numbers for the arraysubscripts' right?


Exactly.

r~

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Re: [PATCH 11/18] bsd-user: Define RISC-V VM parameters and helper functions, (continued)
- [PATCH 12/18] bsd-user: Define RISC-V system call structures and constants, Ajeet Singh, 2024/08/02
  - Re: [PATCH 12/18] bsd-user: Define RISC-V system call structures and constants, Richard Henderson, 2024/08/02
- [PATCH 13/18] bsd-user: Add generic RISC-V64 target definitions, Ajeet Singh, 2024/08/02
  - Re: [PATCH 13/18] bsd-user: Add generic RISC-V64 target definitions, Richard Henderson, 2024/08/02
- [PATCH 14/18] bsd-user: Define RISC-V signal handling structures and constants, Ajeet Singh, 2024/08/02
  - Re: [PATCH 14/18] bsd-user: Define RISC-V signal handling structures and constants, Richard Henderson, 2024/08/02
- [PATCH 15/18] bsd-user: Implement RISC-V signal trampoline setup functions, Ajeet Singh, 2024/08/02
  - Re: [PATCH 15/18] bsd-user: Implement RISC-V signal trampoline setup functions, Richard Henderson, 2024/08/02
    - Re: [PATCH 15/18] bsd-user: Implement RISC-V signal trampoline setup functions, Warner Losh, 2024/08/02
    - Re: [PATCH 15/18] bsd-user: Implement RISC-V signal trampoline setup functions, Richard Henderson <=
- [PATCH 16/18] bsd-user: Implement 'get_mcontext' for RISC-V, Ajeet Singh, 2024/08/02
  - Re: [PATCH 16/18] bsd-user: Implement 'get_mcontext' for RISC-V, Richard Henderson, 2024/08/02
- [PATCH 17/18] bsd-user: Implement set_mcontext and get_ucontext_sigreturn for RISCV, Ajeet Singh, 2024/08/02
  - Re: [PATCH 17/18] bsd-user: Implement set_mcontext and get_ucontext_sigreturn for RISCV, Richard Henderson, 2024/08/02
- [PATCH 18/18] bsd-user: Add RISC-V 64-bit Target Configuration and Debug XML Files, Ajeet Singh, 2024/08/02
  - Re: [PATCH 18/18] bsd-user: Add RISC-V 64-bit Target Configuration and Debug XML Files, Richard Henderson, 2024/08/02

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