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[RFC,3/9] gas: dw2gencfi: expose a new cfi_set_last_fde API

Message ID 20230920230401.1739139-4-indu.bhagat@oracle.com
State New
Headers
Series SCFI implementation in GNU assembler |

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Commit Message

Indu Bhagat Sept. 20, 2023, 11:03 p.m. UTC 
  gas/
	* dw2gencfi.c (cfi_set_last_fde): New definition.
	(dot_cfi_endproc): Use it.
	(dot_cfi_fde_data): Likewise.
	(dot_cfi_inline_lsda): Likewise.
	* dw2gencfi.h (struct fde_entry): New declaration.
	(cfi_set_last_fde): Likewise.
---
 gas/dw2gencfi.c | 13 ++++++++++---
 gas/dw2gencfi.h |  2 ++
 2 files changed, 12 insertions(+), 3 deletions(-)
diff mbox series

Patch

diff --git a/gas/dw2gencfi.c b/gas/dw2gencfi.c
index 5fcfb373935..a69854ddc0c 100644
--- a/gas/dw2gencfi.c
+++ b/gas/dw2gencfi.c
@@ -481,6 +481,13 @@  cfi_end_fde (symbolS *label)
   frchain_now->frch_cfi_data = NULL;
 }
 
+/* Set the last FDE  .*/
+void
+cfi_set_last_fde (struct fde_entry *fde)
+{
+  last_fde = fde;
+}
+
 /* Set the return column for the current FDE.  */
 
 void
@@ -1330,7 +1337,7 @@  dot_cfi_endproc (int ignored ATTRIBUTE_UNUSED)
       return;
     }
 
-  last_fde = frchain_now->frch_cfi_data->cur_fde_data;
+  cfi_set_last_fde (frchain_now->frch_cfi_data->cur_fde_data);
 
   cfi_end_fde (symbol_temp_new_now ());
 
@@ -1415,7 +1422,7 @@  dot_cfi_fde_data (int ignored ATTRIBUTE_UNUSED)
       return;
     }
 
-  last_fde = frchain_now->frch_cfi_data->cur_fde_data;
+  cfi_set_last_fde (frchain_now->frch_cfi_data->cur_fde_data);
 
   if ((all_cfi_sections & CFI_EMIT_target) != 0
       || (all_cfi_sections & CFI_EMIT_eh_frame_compact) != 0)
@@ -1568,7 +1575,7 @@  dot_cfi_inline_lsda (int ignored ATTRIBUTE_UNUSED)
   if (last_fde->eh_header_type == EH_COMPACT_HAS_LSDA)
     output_compact_unwind_data (last_fde, align);
 
-  last_fde = NULL;
+  cfi_set_last_fde (NULL);
 
   return;
 }
diff --git a/gas/dw2gencfi.h b/gas/dw2gencfi.h
index 962fdcaed17..aa8693df342 100644
--- a/gas/dw2gencfi.h
+++ b/gas/dw2gencfi.h
@@ -25,6 +25,7 @@ 
 #include "dwarf2.h"
 
 struct symbol;
+struct fde_entry;
 
 extern const pseudo_typeS cfi_pseudo_table[];
 
@@ -35,6 +36,7 @@  extern void cfi_finish (void);
 /* Entry points for backends to add unwind information.  */
 extern void cfi_new_fde (struct symbol *);
 extern void cfi_end_fde (struct symbol *);
+extern void cfi_set_last_fde (struct fde_entry *fde);
 extern void cfi_set_return_column (unsigned);
 extern void cfi_set_sections (void);
 extern void cfi_add_advance_loc (struct symbol *);