[COMPILER/FEATURE] Support rt_packed
__ARMCC_VERSION: https://smtp.keil.com/support/man/docs/armcc/armcc_chr1359124980173.htm __IAR_SYSTEMS_ICC__: <Not Found> __GNUC__: https://gcc.gnu.org/onlinedocs/gcc/Common-Type-Attributes.html#index-packed-type-attribute __ADSPBLACKFIN__: <Not Found> _MSC_VER: https://learn.microsoft.com/en-us/cpp/preprocessor/pack?view=msvc-170 __TI_COMPILER_VERSION__: https://software-dl.ti.com/codegen/docs/tiarmclang/rel1_3_0_LTS/migration_guide/migrating_c_and_cpp_source/pragmas_and_attributes.html __TASKING__: https://resources.tasking.com/sites/default/files/2021-02/TASKING_Alignment%20Requirements%20Restrictions_WEB.pdf Usage: ```c rt_packed(struct object1 { int dword; char byte; }); typedef struct object1 object1; rt_packed(struct object2 { int dword; char byte; }); ``` Signed-off-by: GuEe-GUI <2991707448@qq.com>
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@ -16,6 +16,11 @@
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#define rt_section(x) __attribute__((section(x)))
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#define rt_used __attribute__((used))
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#define rt_align(n) __attribute__((aligned(n)))
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#if __ARMCC_VERSION >= 6010050
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#define rt_packed(declare) declare __attribute__((packed))
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#else
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#define rt_packed(declare) declare
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#endif
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#define rt_weak __attribute__((weak))
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#define rt_typeof typeof
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#define rt_noreturn
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@ -26,6 +31,7 @@
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#define rt_used __root
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#define PRAGMA(x) _Pragma(#x)
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#define rt_align(n) PRAGMA(data_alignment=n)
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#define rt_packed(declare) declare
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#define rt_weak __weak
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#define rt_typeof __typeof
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#define rt_noreturn
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@ -37,6 +43,7 @@
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#define rt_section(x) __attribute__((section(x)))
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#define rt_used __attribute__((used))
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#define rt_align(n) __attribute__((aligned(n)))
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#define rt_packed(declare) declare __attribute__((packed))
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#define rt_weak __attribute__((weak))
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#define rt_typeof __typeof__
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#define rt_noreturn __attribute__ ((noreturn))
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@ -46,6 +53,7 @@
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#define rt_section(x) __attribute__((section(x)))
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#define rt_used __attribute__((used))
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#define rt_align(n) __attribute__((aligned(n)))
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#define rt_packed(declare) declare
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#define rt_weak __attribute__((weak))
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#define rt_typeof typeof
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#define rt_noreturn
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@ -55,6 +63,7 @@
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#define rt_section(x)
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#define rt_used
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#define rt_align(n) __declspec(align(n))
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#define rt_packed(declare) __pragma(pack(push, 1)) declare __pragma(pack(pop))
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#define rt_weak
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#define rt_typeof typeof
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#define rt_noreturn
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@ -74,6 +83,7 @@
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#endif
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#define PRAGMA(x) _Pragma(#x)
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#define rt_align(n) __attribute__((aligned(n)))
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#define rt_packed(declare) declare __attribute__((packed))
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#ifdef __TI_EABI__
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#define rt_weak __attribute__((weak))
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#else
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@ -88,6 +98,7 @@
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#define rt_used __attribute__((used, protect))
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#define PRAGMA(x) _Pragma(#x)
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#define rt_align(n) __attribute__((__align(n)))
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#define rt_packed(declare) declare __packed__
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#define rt_weak __attribute__((weak))
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#define rt_typeof typeof
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#define rt_noreturn
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