diff options
Diffstat (limited to 'include/sframe-api.h')
| -rw-r--r-- | include/sframe-api.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/include/sframe-api.h b/include/sframe-api.h index 77ba32b..753a91f 100644 --- a/include/sframe-api.h +++ b/include/sframe-api.h @@ -36,6 +36,11 @@ typedef struct sframe_encoder_ctx sframe_encoder_ctx; #define MAX_OFFSET_BYTES \ ((SFRAME_FRE_OFFSET_4B * 2 * MAX_NUM_STACK_OFFSETS)) +/* Set of flags that are required to be harmonious between all decoder and + encoder objects participating in a link. */ +#define SFRAME_F_LD_MUSTHAVE_FLAGS \ + (SFRAME_F_FDE_FUNC_START_PCREL) + /* User interfacing SFrame Row Entry. An abstraction provided by libsframe so the consumer is decoupled from the binary format representation of the same. @@ -124,6 +129,22 @@ sframe_decoder_get_abi_arch (sframe_decoder_ctx *dctx); extern uint8_t sframe_decoder_get_version (sframe_decoder_ctx *dctx); +/* Get the section flags from the SFrame decoder context DCTX. */ +extern uint8_t +sframe_decoder_get_flags (sframe_decoder_ctx *dctx); + +/* Get the offset of the sfde_func_start_address field (from the start of the + on-disk layout of the SFrame section) of the FDE at FUNC_IDX in the decoder + context DCTX. + + If FUNC_IDX is more than the number of SFrame FDEs in the section, sets + error code in ERRP, but returns the (hypothetical) offset. This is useful + for the linker when arranging input FDEs into the output section to be + emitted. */ +uint32_t +sframe_decoder_get_offsetof_fde_start_addr (sframe_decoder_ctx *dctx, + uint32_t func_idx, int *errp); + /* Return the number of function descriptor entries in the SFrame decoder DCTX. */ extern uint32_t @@ -238,6 +259,22 @@ sframe_encoder_get_abi_arch (sframe_encoder_ctx *encoder); extern uint8_t sframe_encoder_get_version (sframe_encoder_ctx *encoder); +/* Get the section flags from the SFrame encoder context ENCODER. */ +extern uint8_t +sframe_encoder_get_flags (sframe_encoder_ctx *encoder); + +/* Get the offset of the sfde_func_start_address field (from the start of the + on-disk layout of the SFrame section) of the FDE at FUNC_IDX in the encoder + context ENCODER. + + If FUNC_IDX is more than the number of SFrame FDEs in the section, sets + error code in ERRP, but returns the (hypothetical) offset. This is useful + for the linker when arranging input FDEs into the output section to be + emitted. */ +uint32_t +sframe_encoder_get_offsetof_fde_start_addr (sframe_encoder_ctx *encoder, + uint32_t func_idx, int *errp); + /* Return the number of function descriptor entries in the SFrame encoder ENCODER. */ extern uint32_t |