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Support building on macOS/arm64

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On Arm-based Macs, -no_pie is ignored and gives a linker warning.
Moreover, the build falls over with:

  ld: Absolute addressing not allowed in arm64 code but used in '_image_type_ptr_aisimage' referencing '_image_type_aisimage'

for dumpimage and mkimage, since we put data structs in text sections
not data sections and so cannot have dynamic relocations. Instead, move
the sections to __DATA and drop disabling PIE.

Signed-off-by: Jessica Clarke <jrtc27@jrtc27.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
This commit is contained in:
Jessica Clarke 2021-03-20 20:43:05 +00:00 committed by Tom Rini
parent 6863c7f1b6
commit 3b142045e8
2 changed files with 2 additions and 7 deletions
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5
Makefile
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@ -324,11 +324,6 @@ HOSTCC = $(call os_x_before, 10, 5, "cc", "gcc")
KBUILD_HOSTCFLAGS += $(call os_x_before, 10, 4, "-traditional-cpp")
KBUILD_HOSTLDFLAGS += $(call os_x_before, 10, 5, "-multiply_defined suppress")
# since Lion (10.7) ASLR is on by default, but we use linker generated lists
# in some host tools which is a problem then ... so disable ASLR for these
# tools
KBUILD_HOSTLDFLAGS += $(call os_x_before, 10, 7, "", "-Xlinker -no_pie")
# macOS Mojave (10.14.X)
# Undefined symbols for architecture x86_64: "_PyArg_ParseTuple"
KBUILD_HOSTLDFLAGS += $(call os_x_after, 10, 14, "-lpython -dynamclib", "")

4
tools/imagetool.h
View File

@ -273,14 +273,14 @@ int rockchip_copy_image(int fd, struct image_tool_params *mparams);
#define INIT_SECTION(name) do { \
unsigned long name ## _len; \
char *__cat(pstart_, name) = getsectdata("__TEXT", \
char *__cat(pstart_, name) = getsectdata("__DATA", \
#name, &__cat(name, _len)); \
char *__cat(pstop_, name) = __cat(pstart_, name) + \
__cat(name, _len); \
__cat(__start_, name) = (void *)__cat(pstart_, name); \
__cat(__stop_, name) = (void *)__cat(pstop_, name); \
} while (0)
#define SECTION(name) __attribute__((section("__TEXT, " #name)))
#define SECTION(name) __attribute__((section("__DATA, " #name)))
struct image_type_params **__start_image_type, **__stop_image_type;
#else