diff options
Diffstat (limited to 'include/llvm/Bitcode')
| -rw-r--r-- | include/llvm/Bitcode/NaCl/NaClLLVMBitCodes.h | 34 |
1 files changed, 30 insertions, 4 deletions
diff --git a/include/llvm/Bitcode/NaCl/NaClLLVMBitCodes.h b/include/llvm/Bitcode/NaCl/NaClLLVMBitCodes.h index f4fc4b8e6f..7d270cd98c 100644 --- a/include/llvm/Bitcode/NaCl/NaClLLVMBitCodes.h +++ b/include/llvm/Bitcode/NaCl/NaClLLVMBitCodes.h @@ -43,7 +43,8 @@ namespace naclbitc { TYPE_BLOCK_ID_NEW, - USELIST_BLOCK_ID + USELIST_BLOCK_ID, + GLOBALVAR_BLOCK_ID }; @@ -58,9 +59,7 @@ namespace naclbitc { // FIXME: Remove DEPLIB in 4.0. MODULE_CODE_DEPLIB = 6, // DEPLIB: [strchr x N] - // GLOBALVAR: [pointer type, isconst, initid, - // linkage, alignment, section, visibility, threadlocal] - MODULE_CODE_GLOBALVAR = 7, + MODULE_CODE_GLOBALVAR = 7, // Not used in PNaCl. // FUNCTION: [type, callingconv, isproto, linkage] MODULE_CODE_FUNCTION = 8, @@ -179,6 +178,33 @@ namespace naclbitc { // asmdialect,asmstr,conststr] }; + /// GlobalVarOpcodes - These are values used in the bitcode files to + /// encode records defining global variables. + /// + /// The structure of global variables can be summarized as follows: + /// + /// The global variable block begins with a GLOBALVAR_COUNT, defining + /// the number of global variables in the bitcode file. After that, + /// each global variable is defined. + /// + /// Global variables are defined by a GLOBALVAR_VAR record, followed + /// by 1 or more records defining its initial value. Simple + /// variables have a single initializer. Structured variables are + /// defined by an initial GLOBALVAR_COMPOUND record defining the + /// number of fields in the structure, followed by an initializer + /// for each of its fields. In this context, a field is either data, + /// or a relocation. A data field is defined by a + /// GLOBALVAR_ZEROFILL or GLOBALVAR_DATA record. A relocation field + /// is defined by a GLOBALVAR_RELOC record. + enum NaClGlobalVarOpcodes { + GLOBALVAR_VAR = 0, // VAR: [align, isconst] + GLOBALVAR_COMPOUND = 1, // COMPOUND: [size] + GLOBALVAR_ZEROFILL = 2, // ZEROFILL: [size] + GLOBALVAR_DATA = 3, // DATA: [b0, b1, ...] + GLOBALVAR_RELOC = 4, // RELOC: [val, [addend]] + GLOBALVAR_COUNT = 5, // COUNT: [n] + }; + /// CastOpcodes - These are values used in the bitcode files to encode which /// cast a CST_CODE_CE_CAST or a XXX refers to. The values of these enums /// have no fixed relation to the LLVM IR enum values. Changing these will |