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[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>
This commit is contained in:
GuEe-GUI 2024-10-30 14:27:08 +08:00
parent a49d964c0b
commit 75b4e400ad
1 changed files with 11 additions and 0 deletions
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11
include/rtcompiler.h
View File

@ -16,6 +16,11 @@
#define rt_section(x) __attribute__((section(x))) #define rt_section(x) __attribute__((section(x)))
#define rt_used __attribute__((used)) #define rt_used __attribute__((used))
#define rt_align(n) __attribute__((aligned(n))) #define rt_align(n) __attribute__((aligned(n)))
#if __ARMCC_VERSION >= 6010050
#define rt_packed(declare) declare __attribute__((packed))
#else
#define rt_packed(declare) declare
#endif
#define rt_weak __attribute__((weak)) #define rt_weak __attribute__((weak))
#define rt_typeof typeof #define rt_typeof typeof
#define rt_noreturn #define rt_noreturn
@ -26,6 +31,7 @@
#define rt_used __root #define rt_used __root
#define PRAGMA(x) _Pragma(#x) #define PRAGMA(x) _Pragma(#x)
#define rt_align(n) PRAGMA(data_alignment=n) #define rt_align(n) PRAGMA(data_alignment=n)
#define rt_packed(declare) declare
#define rt_weak __weak #define rt_weak __weak
#define rt_typeof __typeof #define rt_typeof __typeof
#define rt_noreturn #define rt_noreturn
@ -37,6 +43,7 @@
#define rt_section(x) __attribute__((section(x))) #define rt_section(x) __attribute__((section(x)))
#define rt_used __attribute__((used)) #define rt_used __attribute__((used))
#define rt_align(n) __attribute__((aligned(n))) #define rt_align(n) __attribute__((aligned(n)))
#define rt_packed(declare) declare __attribute__((packed))
#define rt_weak __attribute__((weak)) #define rt_weak __attribute__((weak))
#define rt_typeof __typeof__ #define rt_typeof __typeof__
#define rt_noreturn __attribute__ ((noreturn)) #define rt_noreturn __attribute__ ((noreturn))
@ -46,6 +53,7 @@
#define rt_section(x) __attribute__((section(x))) #define rt_section(x) __attribute__((section(x)))
#define rt_used __attribute__((used)) #define rt_used __attribute__((used))
#define rt_align(n) __attribute__((aligned(n))) #define rt_align(n) __attribute__((aligned(n)))
#define rt_packed(declare) declare
#define rt_weak __attribute__((weak)) #define rt_weak __attribute__((weak))
#define rt_typeof typeof #define rt_typeof typeof
#define rt_noreturn #define rt_noreturn
@ -55,6 +63,7 @@
#define rt_section(x) #define rt_section(x)
#define rt_used #define rt_used
#define rt_align(n) __declspec(align(n)) #define rt_align(n) __declspec(align(n))
#define rt_packed(declare) __pragma(pack(push, 1)) declare __pragma(pack(pop))
#define rt_weak #define rt_weak
#define rt_typeof typeof #define rt_typeof typeof
#define rt_noreturn #define rt_noreturn
@ -74,6 +83,7 @@
#endif #endif
#define PRAGMA(x) _Pragma(#x) #define PRAGMA(x) _Pragma(#x)
#define rt_align(n) __attribute__((aligned(n))) #define rt_align(n) __attribute__((aligned(n)))
#define rt_packed(declare) declare __attribute__((packed))
#ifdef __TI_EABI__ #ifdef __TI_EABI__
#define rt_weak __attribute__((weak)) #define rt_weak __attribute__((weak))
#else #else
@ -88,6 +98,7 @@
#define rt_used __attribute__((used, protect)) #define rt_used __attribute__((used, protect))
#define PRAGMA(x) _Pragma(#x) #define PRAGMA(x) _Pragma(#x)
#define rt_align(n) __attribute__((__align(n))) #define rt_align(n) __attribute__((__align(n)))
#define rt_packed(declare) declare __packed__
#define rt_weak __attribute__((weak)) #define rt_weak __attribute__((weak))
#define rt_typeof typeof #define rt_typeof typeof
#define rt_noreturn #define rt_noreturn