diff options
Diffstat (limited to 'linux-user/qemu.h')
| -rw-r--r-- | linux-user/qemu.h | 31 |
1 files changed, 20 insertions, 11 deletions
diff --git a/linux-user/qemu.h b/linux-user/qemu.h index 792c74290f..ce902f5132 100644 --- a/linux-user/qemu.h +++ b/linux-user/qemu.h @@ -219,18 +219,27 @@ void init_qemu_uname_release(void); void fork_start(void); void fork_end(int child); -/* Creates the initial guest address space in the host memory space using - * the given host start address hint and size. The guest_start parameter - * specifies the start address of the guest space. guest_base will be the - * difference between the host start address computed by this function and - * guest_start. If fixed is specified, then the mapped address space must - * start at host_start. The real start address of the mapped memory space is - * returned or -1 if there was an error. +/** + * probe_guest_base: + * @image_name: the executable being loaded + * @loaddr: the lowest fixed address in the executable + * @hiaddr: the highest fixed address in the executable + * + * Creates the initial guest address space in the host memory space. + * + * If @loaddr == 0, then no address in the executable is fixed, + * i.e. it is fully relocatable. In that case @hiaddr is the size + * of the executable. + * + * This function will not return if a valid value for guest_base + * cannot be chosen. On return, the executable loader can expect + * + * target_mmap(loaddr, hiaddr - loaddr, ...) + * + * to succeed. */ -unsigned long init_guest_space(unsigned long host_start, - unsigned long host_size, - unsigned long guest_start, - bool fixed); +void probe_guest_base(const char *image_name, + abi_ulong loaddr, abi_ulong hiaddr); #include "qemu/log.h" |