Rename INIT_GUEST_COMMPAGE to HAVE_GUEST_COMMPAGE to match the other HAVE_* defines.
Reviewed-by: Peter Maydell <peter.mayd...@linaro.org> Signed-off-by: Richard Henderson <richard.hender...@linaro.org> --- linux-user/loader.h | 3 +++ linux-user/x86_64/target_elf.h | 1 + linux-user/elfload.c | 23 +---------------------- linux-user/x86_64/elfload.c | 20 ++++++++++++++++++++ 4 files changed, 25 insertions(+), 22 deletions(-) diff --git a/linux-user/loader.h b/linux-user/loader.h index 84bb04f9fd..efa7f9b64a 100644 --- a/linux-user/loader.h +++ b/linux-user/loader.h @@ -105,6 +105,9 @@ const char *elf_hwcap_str(uint32_t bit); const char *elf_hwcap2_str(uint32_t bit); const char *get_elf_platform(CPUState *cs); const char *get_elf_base_platform(CPUState *cs); +#if defined(TARGET_X86_64) +bool init_guest_commpage(void); +#endif void elf_core_copy_regs(target_ulong *regs, const CPUArchState *env); #endif /* LINUX_USER_LOADER_H */ diff --git a/linux-user/x86_64/target_elf.h b/linux-user/x86_64/target_elf.h index 3ab10a6328..8c4bd9a3d8 100644 --- a/linux-user/x86_64/target_elf.h +++ b/linux-user/x86_64/target_elf.h @@ -10,6 +10,7 @@ #define HAVE_ELF_HWCAP 1 #define HAVE_ELF_PLATFORM 1 +#define HAVE_GUEST_COMMPAGE 1 /* * Note that ELF_NREG should be 29 as there should be place for diff --git a/linux-user/elfload.c b/linux-user/elfload.c index 3ac0f89931..4ff360b43c 100644 --- a/linux-user/elfload.c +++ b/linux-user/elfload.c @@ -145,27 +145,6 @@ typedef abi_int target_pid_t; #define ELF_CLASS ELFCLASS64 #define ELF_ARCH EM_X86_64 -#if ULONG_MAX > UINT32_MAX -#define INIT_GUEST_COMMPAGE -static bool init_guest_commpage(void) -{ - /* - * The vsyscall page is at a high negative address aka kernel space, - * which means that we cannot actually allocate it with target_mmap. - * We still should be able to use page_set_flags, unless the user - * has specified -R reserved_va, which would trigger an assert(). - */ - if (reserved_va != 0 && - TARGET_VSYSCALL_PAGE + TARGET_PAGE_SIZE - 1 > reserved_va) { - error_report("Cannot allocate vsyscall page"); - exit(EXIT_FAILURE); - } - page_set_flags(TARGET_VSYSCALL_PAGE, - TARGET_VSYSCALL_PAGE | ~TARGET_PAGE_MASK, - PAGE_EXEC | PAGE_VALID); - return true; -} -#endif #else /* @@ -1215,7 +1194,7 @@ static abi_ulong create_elf_tables(abi_ulong p, int argc, int envc, #else #define HI_COMMPAGE 0 #define LO_COMMPAGE -1 -#ifndef INIT_GUEST_COMMPAGE +#ifndef HAVE_GUEST_COMMPAGE #define init_guest_commpage() true #endif #endif diff --git a/linux-user/x86_64/elfload.c b/linux-user/x86_64/elfload.c index cd7aeb9743..1652a4243d 100644 --- a/linux-user/x86_64/elfload.c +++ b/linux-user/x86_64/elfload.c @@ -1,6 +1,7 @@ /* SPDX-License-Identifier: GPL-2.0-or-later */ #include "qemu/osdep.h" +#include "qemu/error-report.h" #include "qemu.h" #include "loader.h" @@ -20,6 +21,25 @@ const char *get_elf_platform(CPUState *cs) return "x86_64"; } +bool init_guest_commpage(void) +{ + /* + * The vsyscall page is at a high negative address aka kernel space, + * which means that we cannot actually allocate it with target_mmap. + * We still should be able to use page_set_flags, unless the user + * has specified -R reserved_va, which would trigger an assert(). + */ + if (reserved_va != 0 && + TARGET_VSYSCALL_PAGE + TARGET_PAGE_SIZE - 1 > reserved_va) { + error_report("Cannot allocate vsyscall page"); + exit(EXIT_FAILURE); + } + page_set_flags(TARGET_VSYSCALL_PAGE, + TARGET_VSYSCALL_PAGE | ~TARGET_PAGE_MASK, + PAGE_EXEC | PAGE_VALID); + return true; +} + void elf_core_copy_regs(target_ulong *regs, const CPUX86State *env) { regs[0] = tswapl(env->regs[15]); -- 2.43.0