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sketch out new location representation

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This commit is contained in:
Ryan Fleury
2026-04-20 09:57:30 -07:00
parent eff693244b
commit 424549b562
3 changed files with 83 additions and 27 deletions
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src/lib_rdi/rdi.h
+25 -8
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@@ -940,13 +940,11 @@ X(RDI_U32, container_idx)\
#define RDI_Symbol_XList \
X(RDI_U32, name_string_idx)\
X(RDI_SymbolFlags, symbol_flags)\
X(RDI_LocationKind, location_kind)\
X(RDI_ContainerFlags, container_flags)\
X(RDI_U8, reserved_0)\
X(RDI_U32, reserved_1)\
X(RDI_U16, reserved_0)\
X(RDI_Location, location)\
X(RDI_U32, container_idx)\
X(RDI_U32, type_idx)\
X(RDI_U32, location_idx)\
X(RDI_U32, root_scope_idx)\
X(RDI_U32, link_name_string_idx)\
@@ -1236,6 +1234,27 @@ typedef RDI_U32_Table RDI_U32_NameMapBuckets;
typedef RDI_U32_Table RDI_U32_NameMapNodes;
#endif
typedef RDI_U64 RDI_Location;
#define RDI_Location_KindMask 0xff00000000000000ull
#define RDI_Location_KindShift 56
#define RDI_Location_OffMask 0x00ffffffffffffffull
#define RDI_Location_OffShift 0
#define RDI_Location_SetFirstIndexMask 0x00000000ffffffffull
#define RDI_Location_SetFirstIndexShift 0
#define RDI_Location_SetCountMask 0x00ffffff00000000ull
#define RDI_Location_SetCountShift 32
#define RDI_Location_RegCodeMask 0x00ff000000000000ull
#define RDI_Location_RegCodeShift 48
#define RDI_Location_RegOffMask 0x0000ffff00000000ull
#define RDI_Location_RegOffShift 32
#define rdi_kind_from_location(l) ((((l) & RDI_Location_KindMask) >> RDI_Location_KindShift))
#define rdi_voff_from_location(l) (rdi_kind_from_location(l) == RDI_LocationKind_ModuleOff ? (((l) & RDI_Location_OffMask) >> RDI_Location_OffShift) : 0)
#define rdi_toff_from_location(l) (rdi_kind_from_location(l) == RDI_LocationKind_TLSOff ? (((l) & RDI_Location_OffMask) >> RDI_Location_OffShift) : 0)
#define rdi_constant_data_off_from_location(l) (rdi_kind_from_location(l) == RDI_LocationKind_ConstantDataOff ? (((l) & RDI_Location_OffMask) >> RDI_Location_OffShift) : 0)
#define rdi_set_first_index_from_location(l) (rdi_kind_from_location(l) == RDI_LocationKind_Set ? (((l) & RDI_Location_SetFirstIndexMask) >> RDI_Location_SetFirstIndexShift) : 0)
#define rdi_set_count_from_location(l) (rdi_kind_from_location(l) == RDI_LocationKind_Set ? (((l) & RDI_Location_SetCountMask) >> RDI_Location_SetCountShift) : 0)
#define rdi_regcode_from_location(l) ((((l) & RDI_Location_RegCodeMask) >> RDI_Location_RegCodeShift))
#define rdi_regoff_from_location(l) ((((l) & RDI_Location_RegOffMask) >> RDI_Location_RegOffShift))
#define RDI_EVAL_CTRLBITS(decodeN,popN,pushN) (((decodeN) << 8) | ((popN) << 4) | ((pushN) << 0))
#define RDI_DECODEN_FROM_CTRLBITS(ctrlbits) (((ctrlbits) >> 8) & 0xff)
#define RDI_POPN_FROM_CTRLBITS(ctrlbits) (((ctrlbits) >> 4) & 0xf)
@@ -1451,13 +1470,11 @@ struct RDI_Symbol
{
RDI_U32 name_string_idx;
RDI_SymbolFlags symbol_flags;
RDI_LocationKind location_kind;
RDI_ContainerFlags container_flags;
RDI_U8 reserved_0;
RDI_U32 reserved_1;
RDI_U16 reserved_0;
RDI_Location location;
RDI_U32 container_idx;
RDI_U32 type_idx;
RDI_U32 location_idx;
RDI_U32 root_scope_idx;
RDI_U32 link_name_string_idx;
};