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* [binutils-gdb] Make call_site_target members private
@ 2022-03-28 19:56 Tom Tromey
  0 siblings, 0 replies; only message in thread
From: Tom Tromey @ 2022-03-28 19:56 UTC (permalink / raw)
  To: gdb-cvs

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=797662d7ef6705f9c300cb3e9a78f17f0f2aedad

commit 797662d7ef6705f9c300cb3e9a78f17f0f2aedad
Author: Tom Tromey <tromey@adacore.com>
Date:   Thu Nov 18 12:26:02 2021 -0700

    Make call_site_target members private
    
    This makes the data members of call_site_target 'private'.  This lets
    us remove most of its public API.  call_site_to_target_addr is changed
    to be a method of this type.  This is a preparatory refactoring for
    the fix at the end of this series.

Diff:
---
 gdb/dwarf2/loc.c | 26 ++++++++++++--------------
 gdb/gdbtypes.h   | 44 +++++++++++++++++++++-----------------------
 2 files changed, 33 insertions(+), 37 deletions(-)

diff --git a/gdb/dwarf2/loc.c b/gdb/dwarf2/loc.c
index 16c42a5fdb5..acb7b863145 100644
--- a/gdb/dwarf2/loc.c
+++ b/gdb/dwarf2/loc.c
@@ -632,16 +632,14 @@ show_entry_values_debug (struct ui_file *file, int from_tty,
 		    value);
 }
 
-/* Find DW_TAG_call_site's DW_AT_call_target address.
-   CALLER_FRAME (for registers) can be NULL if it is not known.  This function
-   always returns valid address or it throws NO_ENTRY_VALUE_ERROR.  */
+/* See gdbtypes.h.  */
 
-static CORE_ADDR
-call_site_to_target_addr (struct gdbarch *call_site_gdbarch,
-			  struct call_site *call_site,
-			  struct frame_info *caller_frame)
+CORE_ADDR
+call_site_target::address (struct gdbarch *call_site_gdbarch,
+			   const struct call_site *call_site,
+			   struct frame_info *caller_frame) const
 {
-  switch (call_site->target.loc_kind ())
+  switch (m_loc_kind)
     {
     case call_site_target::DWARF_BLOCK:
       {
@@ -650,7 +648,7 @@ call_site_to_target_addr (struct gdbarch *call_site_gdbarch,
 	struct type *caller_core_addr_type;
 	struct gdbarch *caller_arch;
 
-	dwarf_block = call_site->target.loc_dwarf_block ();
+	dwarf_block = m_loc.dwarf_block;
 	if (dwarf_block == NULL)
 	  {
 	    struct bound_minimal_symbol msym;
@@ -695,7 +693,7 @@ call_site_to_target_addr (struct gdbarch *call_site_gdbarch,
 	const char *physname;
 	struct bound_minimal_symbol msym;
 
-	physname = call_site->target.loc_physname ();
+	physname = m_loc.physname;
 
 	/* Handle both the mangled and demangled PHYSNAME.  */
 	msym = lookup_minimal_symbol (physname, NULL, NULL);
@@ -720,7 +718,7 @@ call_site_to_target_addr (struct gdbarch *call_site_gdbarch,
 	int sect_idx = cust->block_line_section ();
 	CORE_ADDR delta = per_objfile->objfile->section_offsets[sect_idx];
 
-	return call_site->target.loc_physaddr () + delta;
+	return m_loc.physaddr + delta;
       }
 
     default:
@@ -790,7 +788,7 @@ func_verify_no_selftailcall (struct gdbarch *gdbarch, CORE_ADDR verify_addr)
 
 	  /* CALLER_FRAME with registers is not available for tail-call jumped
 	     frames.  */
-	  target_addr = call_site_to_target_addr (gdbarch, call_site, NULL);
+	  target_addr = call_site->address (gdbarch, nullptr);
 
 	  if (target_addr == verify_addr)
 	    {
@@ -968,7 +966,7 @@ call_site_find_chain_1 (struct gdbarch *gdbarch, CORE_ADDR caller_pc,
 
       /* CALLER_FRAME with registers is not available for tail-call jumped
 	 frames.  */
-      target_func_addr = call_site_to_target_addr (gdbarch, call_site, NULL);
+      target_func_addr = call_site->address (gdbarch, nullptr);
 
       if (target_func_addr == callee_pc)
 	{
@@ -1159,7 +1157,7 @@ dwarf_expr_reg_to_entry_parameter (struct frame_info *frame,
   caller_pc = get_frame_pc (caller_frame);
   call_site = call_site_for_pc (gdbarch, caller_pc);
 
-  target_addr = call_site_to_target_addr (gdbarch, call_site, caller_frame);
+  target_addr = call_site->address (gdbarch, caller_frame);
   if (target_addr != func_addr)
     {
       struct minimal_symbol *target_msym, *func_msym;
diff --git a/gdb/gdbtypes.h b/gdb/gdbtypes.h
index 122cb355ab1..0e14203aca7 100644
--- a/gdb/gdbtypes.h
+++ b/gdb/gdbtypes.h
@@ -1835,47 +1835,35 @@ struct call_site_target
     DWARF_BLOCK,
   };
 
-  kind loc_kind () const
-  {
-    return m_loc_kind;
-  }
-
-  CORE_ADDR loc_physaddr () const
-  {
-    gdb_assert (m_loc_kind == PHYSADDR);
-    return m_loc.physaddr;
-  }
-
   void set_loc_physaddr (CORE_ADDR physaddr)
   {
     m_loc_kind = PHYSADDR;
     m_loc.physaddr = physaddr;
   }
 
-  const char *loc_physname () const
-  {
-    gdb_assert (m_loc_kind == PHYSNAME);
-    return m_loc.physname;
-  }
-
   void set_loc_physname (const char *physname)
     {
       m_loc_kind = PHYSNAME;
       m_loc.physname = physname;
     }
 
-  dwarf2_locexpr_baton *loc_dwarf_block () const
-  {
-    gdb_assert (m_loc_kind == DWARF_BLOCK);
-    return m_loc.dwarf_block;
-  }
-
   void set_loc_dwarf_block (dwarf2_locexpr_baton *dwarf_block)
     {
       m_loc_kind = DWARF_BLOCK;
       m_loc.dwarf_block = dwarf_block;
     }
 
+  /* Find DW_TAG_call_site's DW_AT_call_target address.  CALLER_FRAME
+     (for registers) can be NULL if it is not known.  This function
+     always returns valid address or it throws
+     NO_ENTRY_VALUE_ERROR.  */
+
+  CORE_ADDR address (struct gdbarch *call_site_gdbarch,
+		     const struct call_site *call_site,
+		     struct frame_info *caller_frame) const;
+
+private:
+
   union
   {
     /* Address.  */
@@ -1967,6 +1955,16 @@ struct call_site
 
     CORE_ADDR pc () const;
 
+    /* Find the target address.  CALLER_FRAME (for registers) can be
+       NULL if it is not known.  This function always returns valid
+       address or it throws NO_ENTRY_VALUE_ERROR.  */
+
+    CORE_ADDR address (struct gdbarch *call_site_gdbarch,
+		       struct frame_info *caller_frame) const
+    {
+      return target.address (call_site_gdbarch, this, caller_frame);
+    }
+
     /* * List successor with head in FUNC_TYPE.TAIL_CALL_LIST.  */
 
     struct call_site *tail_call_next = nullptr;


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