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Re: [PATCH v5 03/31] exec: Use uintptr_t for guest_base
From: |
Philippe Mathieu-Daudé |
Subject: |
Re: [PATCH v5 03/31] exec: Use uintptr_t for guest_base |
Date: |
Wed, 3 Feb 2021 20:08:50 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.6.0 |
On 2/3/21 7:59 PM, Richard Henderson wrote:
> This is more descriptive than 'unsigned long'.
> No functional change, since these match on all linux+bsd hosts.
>
> Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
> include/exec/cpu-all.h | 2 +-
> bsd-user/main.c | 4 ++--
> linux-user/elfload.c | 4 ++--
> linux-user/main.c | 4 ++--
> 4 files changed, 7 insertions(+), 7 deletions(-)
>
> diff --git a/include/exec/cpu-all.h b/include/exec/cpu-all.h
> index c23c77589b..c52180e8e6 100644
> --- a/include/exec/cpu-all.h
> +++ b/include/exec/cpu-all.h
> @@ -158,7 +158,7 @@ static inline void tswap64s(uint64_t *s)
> /* On some host systems the guest address space is reserved on the host.
> * This allows the guest address space to be offset to a convenient location.
> */
> -extern unsigned long guest_base;
> +extern uintptr_t guest_base;
> extern bool have_guest_base;
> extern unsigned long reserved_va;
>
> diff --git a/bsd-user/main.c b/bsd-user/main.c
> index 65163e1396..c09d74d788 100644
> --- a/bsd-user/main.c
> +++ b/bsd-user/main.c
> @@ -41,7 +41,7 @@
>
> int singlestep;
> unsigned long mmap_min_addr;
> -unsigned long guest_base;
> +uintptr_t guest_base;
> bool have_guest_base;
> unsigned long reserved_va;
>
> @@ -965,7 +965,7 @@ int main(int argc, char **argv)
> g_free(target_environ);
>
> if (qemu_loglevel_mask(CPU_LOG_PAGE)) {
> - qemu_log("guest_base 0x%lx\n", guest_base);
> + qemu_log("guest_base %p\n", (void *)guest_base);
Why not use PRIxPTR?
Otherwise:
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
- [PATCH v5 05/31] exec: Improve types for guest_addr_valid, (continued)
- [PATCH v5 05/31] exec: Improve types for guest_addr_valid, Richard Henderson, 2021/02/03
- [PATCH v5 06/31] linux-user: Check for overflow in access_ok, Richard Henderson, 2021/02/03
- [PATCH v5 02/31] linux-user: Introduce PAGE_ANON, Richard Henderson, 2021/02/03
- [PATCH v5 07/31] linux-user: Tidy VERIFY_READ/VERIFY_WRITE, Richard Henderson, 2021/02/03
- [PATCH v5 08/31] bsd-user: Tidy VERIFY_READ/VERIFY_WRITE, Richard Henderson, 2021/02/03
- [PATCH v5 10/31] linux-user: Fix guest_addr_valid vs reserved_va, Richard Henderson, 2021/02/03
- [PATCH v5 13/31] linux-user: Explicitly untag memory management syscalls, Richard Henderson, 2021/02/03
- [PATCH v5 03/31] exec: Use uintptr_t for guest_base, Richard Henderson, 2021/02/03
- Re: [PATCH v5 03/31] exec: Use uintptr_t for guest_base,
Philippe Mathieu-Daudé <=
- [PATCH v5 12/31] exec: Use cpu_untagged_addr in g2h; split out g2h_untagged, Richard Henderson, 2021/02/03
- [PATCH v5 11/31] exec: Introduce cpu_untagged_addr, Richard Henderson, 2021/02/03
- [PATCH v5 19/31] linux-user: Handle tags in lock_user/unlock_user, Richard Henderson, 2021/02/03
- [PATCH v5 23/31] linux-user/aarch64: Implement PR_MTE_TCF and PR_MTE_TAG, Richard Henderson, 2021/02/03