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linux-user/hppa: Add vdso

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Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2021-06-18 12:01:52 -07:00
parent a9f495b93f
commit c7bc2a8fb1
8 changed files with 286 additions and 10 deletions
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24
linux-user/hppa/signal.c
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@ -21,6 +21,7 @@
#include "user-internals.h"
#include "signal-common.h"
#include "linux-user/trace.h"
#include "vdso-asmoffset.h"
struct target_sigcontext {
abi_ulong sc_flags;
@ -47,6 +48,19 @@ struct target_rt_sigframe {
/* hidden location of upper halves of pa2.0 64-bit gregs */
};
QEMU_BUILD_BUG_ON(sizeof(struct target_rt_sigframe) != sizeof_rt_sigframe);
QEMU_BUILD_BUG_ON(offsetof(struct target_rt_sigframe, uc.tuc_mcontext)
!= offsetof_sigcontext);
QEMU_BUILD_BUG_ON(offsetof(struct target_sigcontext, sc_gr)
!= offsetof_sigcontext_gr);
QEMU_BUILD_BUG_ON(offsetof(struct target_sigcontext, sc_fr)
!= offsetof_sigcontext_fr);
QEMU_BUILD_BUG_ON(offsetof(struct target_sigcontext, sc_iaoq)
!= offsetof_sigcontext_iaoq);
QEMU_BUILD_BUG_ON(offsetof(struct target_sigcontext, sc_sar)
!= offsetof_sigcontext_sar);
static void setup_sigcontext(struct target_sigcontext *sc, CPUArchState *env)
{
int i;
@ -91,16 +105,6 @@ static void restore_sigcontext(CPUArchState *env, struct target_sigcontext *sc)
__get_user(env->cr[CR_SAR], &sc->sc_sar);
}
#if TARGET_ABI_BITS == 32
#define SIGFRAME 64
#define FUNCTIONCALLFRAME 48
#else
#define SIGFRAME 128
#define FUNCTIONCALLFRAME 96
#endif
#define PARISC_RT_SIGFRAME_SIZE32 \
((sizeof(struct target_rt_sigframe) + FUNCTIONCALLFRAME + SIGFRAME) & -SIGFRAME)
void setup_rt_frame(int sig, struct target_sigaction *ka,
target_siginfo_t *info,
target_sigset_t *set, CPUArchState *env)