In Thumb2, direct branches can be encoded as either a "short" conditional branch...
[oota-llvm.git] / lib / Target / ARM / ARMFixupKinds.h
index 8d26f213e6d34171adcbaadc0341f0f9082d6a34..48d495396e2285bf4ffedb64db7e97c5e7e62ae1 100644 (file)
 namespace llvm {
 namespace ARM {
 enum Fixups {
-  // fixup_arm_pcrel_12 - 12-bit PC relative relocation for symbol addresses
-  fixup_arm_pcrel_12 = FirstTargetFixupKind,
-  // fixup_arm_vfp_pcrel_12 - 12-bit PC relative relocation for symbol addresses
-  // used in VFP instructions where the lower 2 bits are not encoded (so it's
-  // encoded as an 8-bit immediate).
-  fixup_arm_vfp_pcrel_12,
-  // fixup_arm_brnach - 24-bit PC relative relocation for direct branch
+  // fixup_arm_ldst_pcrel_12 - 12-bit PC relative relocation for symbol
+  // addresses
+  fixup_arm_ldst_pcrel_12 = FirstTargetFixupKind,
+  
+  // fixup_t2_ldst_pcrel_12 - Equivalent to fixup_arm_ldst_pcrel_12, with
+  // the 16-bit halfwords reordered.
+  fixup_t2_ldst_pcrel_12,
+  
+  // fixup_arm_pcrel_10 - 10-bit PC relative relocation for symbol addresses
+  // used in VFP instructions where the lower 2 bits are not encoded
+  // (so it's encoded as an 8-bit immediate).
+  fixup_arm_pcrel_10,
+  // fixup_t2_pcrel_10 - Equivalent to fixup_arm_pcrel_10, accounting for
+  // the short-swapped encoding of Thumb2 instructions.
+  fixup_t2_pcrel_10,
+  // fixup_arm_adr_pcrel_12 - 12-bit PC relative relocation for the ADR
+  // instruction.
+  fixup_arm_adr_pcrel_12,
+  // fixup_arm_branch - 24-bit PC relative relocation for direct branch
   // instructions.
   fixup_arm_branch,
+  // fixup_t2_condbranch - 20-bit PC relative relocation for Thumb2 direct 
+  // uconditional branch instructions.
+  fixup_t2_condbranch,
+  // fixup_t2_uncondbranch - 20-bit PC relative relocation for Thumb2 direct 
+  // branch unconditional branch instructions.
+  fixup_t2_uncondbranch,
+
+  // fixup_arm_thumb_br - 12-bit fixup for Thumb B instructions.
+  fixup_arm_thumb_br,
+
+  // fixup_arm_thumb_blx - Fixup for Thumb BL instructions.
+  fixup_arm_thumb_bl,
+
+  // fixup_arm_thumb_blx - Fixup for Thumb BLX instructions.
+  fixup_arm_thumb_blx,
+
+  // fixup_arm_thumb_cb - Fixup for Thumb branch instructions.
+  fixup_arm_thumb_cb,
+
+  // fixup_arm_thumb_cp - Fixup for Thumb load/store from constant pool instrs.
+  fixup_arm_thumb_cp,
+
+  // fixup_arm_thumb_bcc - Fixup for Thumb load/store from constant pool instrs.
+  fixup_arm_thumb_bcc,
+
+  // The next two are for the movt/movw pair
+  // the 16bit imm field are split into imm{15-12} and imm{11-0}
+  // Fixme: We need new ones for Thumb.
+  fixup_arm_movt_hi16, // :upper16:
+  fixup_arm_movw_lo16, // :lower16:
 
   // Marker
   LastTargetFixupKind,