Still no integrated cross-compile, however:
Changes for v4:
* Force all vdso to have a single load segment.
This will prevent problems with varying host/guest page size.
* Tidy some of the assembly with macros.
* Implement loongarch, ppc, s390x.
Just in case the list eats a binary:
https://gitlab.com/rth7680/qemu/-/tree/lu-vdso
r~
Richard Henderson (18):
linux-user: Introduce imgsrc_read, imgsrc_read_alloc
linux-user: Tidy loader_exec
linux-user: Do not clobber bprm_buf swapping ehdr
linux-user: Use ImageSource in load_elf_image
linux-user: Use ImageSource in load_symbols
linux-user: Replace bprm->fd with bprm->src.fd
linux-user: Load vdso image if available
linux-user: Add gen-vdso tool
linux-user/i386: Add vdso
linux-user/x86_64: Add vdso
linux-user/aarch64: Add vdso
linux-user/arm: Add vdso
linux-user/hppa: Add vdso
linux-user/riscv: Add vdso
linux-user/loongarch64: Add vdso
linux-user/ppc: Add vdso
linux-user/s390x: Rename __SIGNAL_FRAMESIZE to STACK_FRAME_OVERHEAD
linux-user/s390x: Add vdso
linux-user/hppa/vdso-asmoffset.h | 12 +
linux-user/i386/vdso-asmoffset.h | 6 +
linux-user/loader.h | 60 +++-
linux-user/loongarch64/vdso-asmoffset.h | 8 +
linux-user/ppc/vdso-asmoffset.h | 20 ++
linux-user/riscv/vdso-asmoffset.h | 9 +
linux-user/s390x/vdso-asmoffset.h | 2 +
linux-user/arm/signal.c | 30 +-
linux-user/elfload.c | 381 +++++++++++++++---------
linux-user/flatload.c | 8 +-
linux-user/gen-vdso.c | 223 ++++++++++++++
linux-user/hppa/signal.c | 24 +-
linux-user/i386/signal.c | 11 +
linux-user/linuxload.c | 137 +++++++--
linux-user/loongarch64/signal.c | 17 +-
linux-user/ppc/signal.c | 31 +-
linux-user/riscv/signal.c | 8 +
linux-user/s390x/signal.c | 7 +-
linux-user/gen-vdso-elfn.c.inc | 314 +++++++++++++++++++
linux-user/aarch64/Makefile.vdso | 12 +
linux-user/aarch64/meson.build | 12 +
linux-user/aarch64/vdso-be.so | Bin 0 -> 3216 bytes
linux-user/aarch64/vdso-le.so | Bin 0 -> 3216 bytes
linux-user/aarch64/vdso.S | 73 +++++
linux-user/aarch64/vdso.ld | 72 +++++
linux-user/arm/Makefile.vdso | 17 ++
linux-user/arm/meson.build | 18 ++
linux-user/arm/vdso-arm-be.so | Bin 0 -> 2712 bytes
linux-user/arm/vdso-arm-le.so | Bin 0 -> 2712 bytes
linux-user/arm/vdso-thm-be.so | Bin 0 -> 2684 bytes
linux-user/arm/vdso-thm-le.so | Bin 0 -> 2684 bytes
linux-user/arm/vdso.S | 193 ++++++++++++
linux-user/arm/vdso.ld | 67 +++++
linux-user/hppa/Makefile.vdso | 6 +
linux-user/hppa/meson.build | 6 +
linux-user/hppa/vdso.S | 165 ++++++++++
linux-user/hppa/vdso.ld | 77 +++++
linux-user/hppa/vdso.so | Bin 0 -> 2104 bytes
linux-user/i386/Makefile.vdso | 5 +
linux-user/i386/meson.build | 7 +
linux-user/i386/vdso.S | 143 +++++++++
linux-user/i386/vdso.ld | 76 +++++
linux-user/i386/vdso.so | Bin 0 -> 2672 bytes
linux-user/loongarch64/Makefile.vdso | 7 +
linux-user/loongarch64/meson.build | 4 +
linux-user/loongarch64/vdso.S | 130 ++++++++
linux-user/loongarch64/vdso.ld | 73 +++++
linux-user/loongarch64/vdso.so | Bin 0 -> 3560 bytes
linux-user/meson.build | 9 +-
linux-user/ppc/Makefile.vdso | 18 ++
linux-user/ppc/meson.build | 12 +
linux-user/ppc/vdso-32.ld | 70 +++++
linux-user/ppc/vdso-32.so | Bin 0 -> 3020 bytes
linux-user/ppc/vdso-64.ld | 68 +++++
linux-user/ppc/vdso-64.so | Bin 0 -> 3896 bytes
linux-user/ppc/vdso-64le.so | Bin 0 -> 3896 bytes
linux-user/ppc/vdso.S | 239 +++++++++++++++
linux-user/riscv/Makefile.vdso | 11 +
linux-user/riscv/meson.build | 9 +
linux-user/riscv/vdso-32.so | Bin 0 -> 2652 bytes
linux-user/riscv/vdso-64.so | Bin 0 -> 3528 bytes
linux-user/riscv/vdso.S | 186 ++++++++++++
linux-user/riscv/vdso.ld | 74 +++++
linux-user/s390x/Makefile.vdso | 5 +
linux-user/s390x/meson.build | 6 +
linux-user/s390x/vdso.S | 61 ++++
linux-user/s390x/vdso.ld | 69 +++++
linux-user/s390x/vdso.so | Bin 0 -> 3464 bytes
linux-user/x86_64/Makefile.vdso | 5 +
linux-user/x86_64/meson.build | 6 +
linux-user/x86_64/vdso.S | 78 +++++
linux-user/x86_64/vdso.ld | 73 +++++
linux-user/x86_64/vdso.so | Bin 0 -> 2968 bytes
73 files changed, 3259 insertions(+), 211 deletions(-)
create mode 100644 linux-user/hppa/vdso-asmoffset.h
create mode 100644 linux-user/i386/vdso-asmoffset.h
create mode 100644 linux-user/loongarch64/vdso-asmoffset.h
create mode 100644 linux-user/ppc/vdso-asmoffset.h
create mode 100644 linux-user/riscv/vdso-asmoffset.h
create mode 100644 linux-user/s390x/vdso-asmoffset.h
create mode 100644 linux-user/gen-vdso.c
create mode 100644 linux-user/gen-vdso-elfn.c.inc
create mode 100644 linux-user/aarch64/Makefile.vdso
create mode 100644 linux-user/aarch64/meson.build
create mode 100755 linux-user/aarch64/vdso-be.so
create mode 100755 linux-user/aarch64/vdso-le.so
create mode 100644 linux-user/aarch64/vdso.S
create mode 100644 linux-user/aarch64/vdso.ld
create mode 100644 linux-user/arm/Makefile.vdso
create mode 100755 linux-user/arm/vdso-arm-be.so
create mode 100755 linux-user/arm/vdso-arm-le.so
create mode 100755 linux-user/arm/vdso-thm-be.so
create mode 100755 linux-user/arm/vdso-thm-le.so
create mode 100644 linux-user/arm/vdso.S
create mode 100644 linux-user/arm/vdso.ld
create mode 100644 linux-user/hppa/Makefile.vdso
create mode 100644 linux-user/hppa/vdso.S
create mode 100644 linux-user/hppa/vdso.ld
create mode 100755 linux-user/hppa/vdso.so
create mode 100644 linux-user/i386/Makefile.vdso
create mode 100644 linux-user/i386/vdso.S
create mode 100644 linux-user/i386/vdso.ld
create mode 100755 linux-user/i386/vdso.so
create mode 100644 linux-user/loongarch64/Makefile.vdso
create mode 100644 linux-user/loongarch64/meson.build
create mode 100644 linux-user/loongarch64/vdso.S
create mode 100644 linux-user/loongarch64/vdso.ld
create mode 100755 linux-user/loongarch64/vdso.so
create mode 100644 linux-user/ppc/Makefile.vdso
create mode 100644 linux-user/ppc/vdso-32.ld
create mode 100755 linux-user/ppc/vdso-32.so
create mode 100644 linux-user/ppc/vdso-64.ld
create mode 100755 linux-user/ppc/vdso-64.so
create mode 100755 linux-user/ppc/vdso-64le.so
create mode 100644 linux-user/ppc/vdso.S
create mode 100644 linux-user/riscv/Makefile.vdso
create mode 100644 linux-user/riscv/meson.build
create mode 100755 linux-user/riscv/vdso-32.so
create mode 100755 linux-user/riscv/vdso-64.so
create mode 100644 linux-user/riscv/vdso.S
create mode 100644 linux-user/riscv/vdso.ld
create mode 100644 linux-user/s390x/Makefile.vdso
create mode 100644 linux-user/s390x/vdso.S
create mode 100644 linux-user/s390x/vdso.ld
create mode 100755 linux-user/s390x/vdso.so
create mode 100644 linux-user/x86_64/Makefile.vdso
create mode 100644 linux-user/x86_64/vdso.S
create mode 100644 linux-user/x86_64/vdso.ld
create mode 100755 linux-user/x86_64/vdso.so
--
2.34.1
