[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Minios-devel] [UNIKRAFT/LIBELF PATCH 4/7] Add `__Unikraft__` configuration
Reviewed-by: Razvan Deaconescu <razvan.deaconescu@xxxxxxxxx> Simon Kuenzer <simon.kuenzer@xxxxxxxxx> writes: > Add `__Unikraft__` as a target to the library configuration: > `_libelf_config.h` > > Signed-off-by: Simon Kuenzer <simon.kuenzer@xxxxxxxxx> > --- > _elftc.h | 35 +++++++++++++++++++++++++++++++++++ > _libelf_config.h | 45 +++++++++++++++++++++++++++++++++++++++++++++ > 2 files changed, 80 insertions(+) > > diff --git a/_elftc.h b/_elftc.h > index f0fa046..19340cf 100644 > --- a/_elftc.h > +++ b/_elftc.h > @@ -378,6 +378,14 @@ struct name { > \ > #endif /* __GNUC__ */ > #endif > > +#if defined(__Unikraft__) > +#if defined(__GNUC__) > +#define ELFTC_VCSID(ID) __asm__(".ident\t\"" ID "\"") > +#else > +#define ELFTC_VCSID(ID) /**/ > +#endif /* __GNUC__ */ > +#endif > + > #endif /* ELFTC_VCSID */ > > /* > @@ -418,6 +426,15 @@ extern const char *__progname; > > #endif /* __OpenBSD__ */ > > + > +#if defined(__Unikraft__) > + > +#include <uk/config.h> > + > +#define ELFTC_GETPROGNAME() UK_IMAGE_NAME > + > +#endif /* __Unikraft__ */ > + > #endif /* ELFTC_GETPROGNAME */ > > > @@ -536,4 +553,22 @@ extern const char *__progname; > > #endif /* __OpenBSD__ */ > > +#if defined(__Unikraft__) > + > +#include <uk/essentials.h> > + > +#define ELFTC_BYTE_ORDER __BYTE_ORDER > +#define ELFTC_BYTE_ORDER_LITTLE_ENDIAN __LITTLE_ENDIAN > +#define ELFTC_BYTE_ORDER_BIG_ENDIAN __BIG_ENDIAN > + > +#define ELFTC_HAVE_MMAP 0 > +#define ELFTC_HAVE_STRMODE 0 > + > +/* Whether we need to supply {be,le}32dec. */ > +#define ELFTC_NEED_BYTEORDER_EXTENSIONS 0 > + > +#define roundup2 ALIGN_UP > + > +#endif /* __Unikraft__ */ > + > #endif /* _ELFTC_H */ > diff --git a/_libelf_config.h b/_libelf_config.h > index 1b8f35b..57e6b1d 100644 > --- a/_libelf_config.h > +++ b/_libelf_config.h > @@ -181,3 +181,48 @@ > #endif > > #endif /* defined(__linux__) || defined(__GNU__) || defined(__GLIBC__) */ > + > +/* > + * Definitions for Unikraft. > + */ > +#if defined (__Unikraft__) > + > +#include <uk/config.h> > + > +/* > + * Define LIBELF_{ARCH,BYTEORDER,CLASS} based on the machine architecture. > + */ > +#if (defined CONFIG_ARCH_X86_32) > +#define LIBELF_CLASS ELFCLASS32 > +#define LIBELF_ARCH EM_386 > +#define LIBELF_BYTEORDER ELFDATA2LSB > + > +#elif (defined CONFIG_ARCH_X86_64) > +#define LIBELF_CLASS ELFCLASS64 > +#define LIBELF_ARCH EM_X86_64 > +#define LIBELF_BYTEORDER ELFDATA2LSB > + > +#elif (defined CONFIG_ARCH_ARM_32) > +/* Little-Endian Arm */ > +#define LIBELF_CLASS ELFCLASS32 > +#define LIBELF_ARCH EM_ARM > +#define LIBELF_BYTEORDER ELFDATA2LSB > + > +#elif (defined CONFIG_ARCH_ARM_64) > +#define LIBELF_CLASS ELFCLASS64 > +#define LIBELF_ARCH EM_AARCH64 > +#define LIBELF_BYTEORDER ELFDATA2LSB > + > +#else > +#error Missing elf-format definition for target architecture > +#endif > + > +#if LIBELF_CLASS == ELFCLASS32 > +#define Elf_Note Elf32_Nhdr > +#elif LIBELF_CLASS == ELFCLASS64 > +#define Elf_Note Elf64_Nhdr > +#else > +#error LIBELF_CLASS needs to be one of ELFCLASS32 or ELFCLASS64 > +#endif > + > +#endif /* defined(__Unikraft__) */ _______________________________________________ Minios-devel mailing list Minios-devel@xxxxxxxxxxxxxxxxxxxx https://lists.xenproject.org/mailman/listinfo/minios-devel
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