diff options
| -rw-r--r-- | include/sframe.h | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/include/sframe.h b/include/sframe.h index 03a2d75..b2bd41a 100644 --- a/include/sframe.h +++ b/include/sframe.h @@ -227,11 +227,12 @@ typedef struct sframe_fre_info - 2 bits: information about size of the offsets (S) in bytes. Valid values are SFRAME_FRE_OFFSET_1B, SFRAME_FRE_OFFSET_2B, SFRAME_FRE_OFFSET_4B - - 1 bit: Unused. - ----------------------------------------------------------------------- - | Unused | Size of offsets | Number of offsets | base_reg | - ----------------------------------------------------------------------- - 8 7 5 1 0 + - 1 bit: Mangled RA state bit (aarch64 only). + ---------------------------------------------------------------------------------- + | Mangled-RA (aarch64) | Size of offsets | Number of offsets | base_reg | + | Unused (amd64) | | | | + ---------------------------------------------------------------------------------- + 8 7 5 1 0 */ uint8_t fre_info; @@ -239,13 +240,19 @@ typedef struct sframe_fre_info /* Macros to compose and decompose FRE info. */ +/* Note: Set mangled_ra_p to zero by default. */ #define SFRAME_V1_FRE_INFO(base_reg_id, offset_num, offset_size) \ - ((((offset_size) & 0x3) << 5) | (((offset_num) & 0xf) << 1) | \ - ((base_reg_id) & 0x1)) + (((0 & 0x1) << 7) | (((offset_size) & 0x3) << 5) | \ + (((offset_num) & 0xf) << 1) | ((base_reg_id) & 0x1)) + +/* Set the mangled_ra_p bit as indicated. */ +#define SFRAME_V1_FRE_INFO_UPDATE_MANGLED_RA_P(mangled_ra_p, fre_info) \ + ((((mangled_ra_p) & 0x1) << 7) | ((fre_info) & 0x7f)) #define SFRAME_V1_FRE_CFA_BASE_REG_ID(data) ((data) & 0x1) #define SFRAME_V1_FRE_OFFSET_COUNT(data) (((data) >> 1) & 0xf) -#define SFRAME_V1_FRE_OFFSET_SIZE(data) (((data) >> 5) & 0x3) +#define SFRAME_V1_FRE_OFFSET_SIZE(data) (((data) >> 5) & 0x3) +#define SFRAME_V1_FRE_MANGLED_RA_P(data) (((data) >> 7) & 0x1) /* SFrame Frame Row Entry definitions. |