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2022-01-06linux-user: Move target_signal.h generic definitions to generic/signal.hSong Gao1-12/+0
No code change Suggested-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Song Gao <gaosong@loongson.cn> Reviewed-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <1637893388-10282-2-git-send-email-gaosong@loongson.cn> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2021-10-01linux-user/riscv: Implement setup_sigtrampRichard Henderson1-0/+2
Create and record the rt signal trampoline. This fixes a bug wrt libgcc fallback unwinding. It expects the stack pointer to point to the siginfo_t, whereas we had inexplicably placed our private signal trampoline at the start of the signal frame instead of the end. Now moot because we have removed it from the stack frame entirely. Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20210929130553.121567-21-richard.henderson@linaro.org> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2019-05-13linux-user/nios2 linux-user/riscv: Clean up header guardsMarkus Armbruster1-3/+3
Reuse of the same guard symbol in multiple headers is okay as long as they cannot be included together. scripts/clean-header-guards.pl can't tell, so it warns. Since we can avoid guard symbol reuse easily, do so: use guard symbol ${target^^}_${fname^^} for linux-user/$target/$fname, just like we did in commit a9c94277f0..3500385697. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20190315145123.28030-4-armbru@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
2018-06-04linux-user: move generic signal definitions to generic/signal.hLaurent Vivier1-0/+2
No code change. Signed-off-by: Laurent Vivier <laurent@vivier.eu> Message-Id: <20180529194207.31503-10-laurent@vivier.eu>
2018-06-04linux-user: move get_sp_from_cpustate() to target_cpu.hLaurent Vivier1-6/+0
Remove useless includes Fix HPPA include guard. Signed-off-by: Laurent Vivier <laurent@vivier.eu> Acked-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20180529194207.31503-9-laurent@vivier.eu>
2018-04-30linux-user: define TARGET_ARCH_HAS_SETUP_FRAMELaurent Vivier1-4/+0
Instead of calling setup_frame() conditionally to a list of known targets, define TARGET_ARCH_HAS_SETUP_FRAME if the target provides the function and call it only if the macro is defined. Move declarations of setup_frame() and setup_rt_frame() to linux-user/signal-common.h Signed-off-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20180424192635.6027-21-laurent@vivier.eu>
2018-04-30linux-user: move riscv signal.c parts to riscv directoryLaurent Vivier1-0/+3
No code change, only move code from signal.c to riscv/signal.c, except adding includes and exporting setup_rt_frame(). Signed-off-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20180424192635.6027-14-laurent@vivier.eu>
2018-03-07RISC-V Linux User EmulationMichael Clark1-0/+23
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>
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