Update year range in copyright notice of binutils files

[thirdparty/binutils-gdb.git] / gas / config / tc-tic6x.h

diff --git a/gas/config/tc-tic6x.h b/gas/config/tc-tic6x.h
index d4a37953246b04752d8422902f3a780e5b9da334..d52a8b3c05e6cc5b846f9c9eee1403e9816d2de4 100644 (file)
--- a/gas/config/tc-tic6x.h
+++ b/gas/config/tc-tic6x.h
@@ -1,6 +1,5 @@
 /* Definitions for TI C6X assembler.
-   Copyright 2010
-   Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 Free Software Foundation, Inc.
 
    This file is part of GAS, the GNU Assembler.
 
@@ -43,6 +42,38 @@ typedef struct tic6x_label_list
   symbolS *label;
 } tic6x_label_list;
 
+/* Must be consistent with the enum in tc-tic6x.c.  */
+#define TIC6X_NUM_UNWIND_REGS 13
+
+/* Unwinding information state.  */
+typedef struct tic6x_unwind_info {
+    int personality_index;
+    symbolS *personality_routine;
+    symbolS *function_start;
+    segT saved_seg;
+    subsegT saved_subseg;
+    /* NULL if table entry is inline.  */
+    symbolS *table_entry;
+    char *frag_start;
+    valueT data;
+    /* 0 before .cfi_startproc
+      -1 between .cfi_startproc and .handlerdata
+      >0 between .handlerdata and .endp */
+    int data_bytes;
+
+    offsetT reg_offset[TIC6X_NUM_UNWIND_REGS];
+    bool reg_saved[TIC6X_NUM_UNWIND_REGS];
+    int cfa_reg;
+    int return_reg;
+    unsigned safe_mask;
+    unsigned compact_mask;
+    unsigned reg_saved_mask;
+    offsetT cfa_offset;
+    bool pop_rts;
+    /* Only valid for UNWIND_OP_POP_REG */
+    int saved_reg_count;
+} tic6x_unwind_info;
+
 typedef struct
 {
   /* Any labels seen since the last instruction or data.  If not NULL,
@@ -51,7 +82,7 @@ typedef struct
   tic6x_label_list *label_list;
 
   /* Whether compact instructions are forbidden here.  */
-  bfd_boolean nocmp;
+  bool nocmp;
 
   /* If there is a current execute packet, the frag being used for
      that execute packet.  */
@@ -77,6 +108,14 @@ typedef struct
      from the SPLOOP instruction (in the range 1 to 14); otherwise
      0.  */
   int sploop_ii;
+
+  /* Bit N indicates that an R_C6000_NONE relocation has been output for
+     __c6xabi_unwind_cpp_prN already if set. This enables dependencies to be
+     emitted only once per section, to save unnecessary bloat.  */
+  unsigned int marked_pr_dependency;
+
+  tic6x_unwind_info *unwind;
+  tic6x_unwind_info *text_unwind;
 } tic6x_segment_info_type;
 #define TC_SEGMENT_INFO_TYPE tic6x_segment_info_type
 
@@ -84,14 +123,14 @@ typedef struct
 {
   /* Whether this machine-dependent frag is used for instructions (as
      opposed to code alignment).  */
-  bfd_boolean is_insns;
+  bool is_insns;
 
   /* For a frag used for instructions, whether it is may cross a fetch
      packet boundary (subject to alignment requirements).  */
-  bfd_boolean can_cross_fp_boundary;
+  bool can_cross_fp_boundary;
 } tic6x_frag_info;
 #define TC_FRAG_TYPE tic6x_frag_info
-#define TC_FRAG_INIT(fragP) tic6x_frag_init (fragP)
+#define TC_FRAG_INIT(fragP, max_bytes) tic6x_frag_init (fragP)
 extern void tic6x_frag_init (fragS *fragp);
 
 typedef struct
@@ -101,7 +140,10 @@ typedef struct
      left (it represents a value to be encoded literally in the
      instruction, whereas a non-constant represents a DP-relative
      value counting in the appropriate units).  */
-  bfd_boolean fix_adda;
+  bool fix_adda;
+  /* The symbol to be subtracted in case of a PCR_H16 or PCR_L16
+     reloc.  */
+  symbolS *fix_subsy;
 } tic6x_fix_info;
 #define TC_FIX_TYPE tic6x_fix_info
 #define TC_INIT_FIX_DATA(fixP) tic6x_init_fix_data (fixP)
@@ -122,7 +164,7 @@ extern void tic6x_cons_align (int n);
     if (tic6x_do_align (n, fill, len, max))    \
       goto label;                              \
   } while (0)
-extern bfd_boolean tic6x_do_align (int n, char *fill, int len, int max);
+extern bool tic6x_do_align (int n, char *fill, int len, int max);
 
 #define CONVERT_SYMBOLIC_ATTRIBUTE(name)       \
   tic6x_convert_symbolic_attribute (name)
@@ -142,10 +184,13 @@ extern long tic6x_pcrel_from_section (struct fix *fixp, segT sec);
 #define md_start_line_hook() tic6x_start_line_hook ()
 extern void tic6x_start_line_hook (void);
 
-#define TC_CONS_FIX_NEW(frag, where, size, exp)        \
-  tic6x_cons_fix_new (frag, where, size, exp)
-extern void tic6x_cons_fix_new (fragS *frag, int where, int size,
-                               expressionS *exp);
+#define TC_CONS_FIX_NEW(frag, where, size, exp, reloc) \
+  tic6x_cons_fix_new (frag, where, size, exp, reloc)
+extern void tic6x_cons_fix_new (fragS *, int, int, expressionS *,
+                               bfd_reloc_code_real_type);
+
+#define tc_fix_adjustable(FIX) tic6x_fix_adjustable (FIX)
+extern bool tic6x_fix_adjustable (struct fix *);
 
 #define tc_frob_label(sym) tic6x_frob_label (sym)
 extern void tic6x_frob_label (symbolS *sym);
@@ -155,3 +200,28 @@ extern void tic6x_init_after_args (void);
 
 #define tc_unrecognized_line(c) tic6x_unrecognized_line (c)
 extern int tic6x_unrecognized_line (int c);
+
+/* We want .cfi_* pseudo-ops for generating unwind info.  */
+#define TARGET_USE_CFIPOP              1
+
+/* CFI hooks.  */
+#define tc_regname_to_dw2regnum            tic6x_regname_to_dw2regnum
+int tic6x_regname_to_dw2regnum (char *regname);
+
+#define tc_cfi_frame_initial_instructions  tic6x_frame_initial_instructions
+void tic6x_frame_initial_instructions (void);
+
+/* The return register is B3.  */
+#define DWARF2_DEFAULT_RETURN_COLUMN  (16 + 3)
+
+/* Registers are generally saved at negative offsets to the CFA.  */
+#define DWARF2_CIE_DATA_ALIGNMENT     (-4)
+
+#define tc_cfi_startproc tic6x_cfi_startproc
+void tic6x_cfi_startproc (void);
+
+#define tc_cfi_endproc tic6x_cfi_endproc
+struct fde_entry;
+void tic6x_cfi_endproc (struct fde_entry *fde);
+
+#define tc_cfi_section_name ".c6xabi.exidx"