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* [binutils-gdb] Remove PEI_HEADERS define
@ 2023-08-03 13:47 Tom Tromey
  0 siblings, 0 replies; only message in thread
From: Tom Tromey @ 2023-08-03 13:47 UTC (permalink / raw)
  To: bfd-cvs

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=f559e52a8e79585e0b13156e949a7fd46060a714

commit f559e52a8e79585e0b13156e949a7fd46060a714
Author: Tom Tromey <tom@tromey.com>
Date:   Sun Jul 30 10:26:07 2023 -0600

    Remove PEI_HEADERS define
    
    I noticed a few files double-included libcoff.h, and digging deeper I
    found that the PEI_HEADERS define is a sort of external include guard.
    
    This patch adds include guards to the few files in include/coff that
    were missing one, and then removes the PEI_HEADERS workaround and the
    redundant includes.
    
    I didn't see anything in these files that indicated that
    double-inclusion would be useful, so it seems to me that this approach
    is ok.
    
    Tested by rebuilding with --enable-targets=all.
    
    2023-08-02  Tom Tromey  <tromey@adacore.com>
    
            * pei-x86_64.c (PEI_HEADERS): Do not define.
            * pei-loongarch64.c (PEI_HEADERS): Do not define.
            * pei-aarch64.c (PEI_HEADERS): Do not define.
            * pe-x86_64.c (PEI_HEADERS): Do not define.
            * pe-aarch64.c (PEI_HEADERS): Do not define.
            * libpei.h (_LIBPEI_H): Add include guard.
            * coff-x86_64.c (PEI_HEADERS): Do not check.
            * coff-loongarch64.c (PEI_HEADERS): Do not check.
            * coff-aarch64.c (PEI_HEADERS): Do not check.
    
    include/ChangeLog
    2023-08-02  Tom Tromey  <tromey@adacore.com>
    
            * coff/x86_64.h (COFF_X86_64_H): Add include guard.
            * coff/loongarch64.h (COFF_LOONGARCH64_H): Add include guard.
            * coff/aarch64.h (COFF_AARCH64_H): Add include guard.

Diff:
---
 bfd/ChangeLog              | 12 ++++++++++++
 bfd/coff-aarch64.c         |  7 -------
 bfd/coff-loongarch64.c     |  7 -------
 bfd/coff-x86_64.c          |  5 -----
 bfd/libpei.h               |  3 +++
 bfd/pe-aarch64.c           |  1 -
 bfd/pe-x86_64.c            |  1 -
 bfd/pei-aarch64.c          |  1 -
 bfd/pei-loongarch64.c      |  1 -
 bfd/pei-x86_64.c           |  4 ----
 include/ChangeLog          |  6 ++++++
 include/coff/aarch64.h     |  5 +++++
 include/coff/loongarch64.h |  5 +++++
 include/coff/x86_64.h      |  5 +++++
 14 files changed, 36 insertions(+), 27 deletions(-)

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 56c858e6ce4..0087aed06a0 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,15 @@
+2023-08-02  Tom Tromey  <tromey@adacore.com>
+
+	* pei-x86_64.c (PEI_HEADERS): Do not define.
+	* pei-loongarch64.c (PEI_HEADERS): Do not define.
+	* pei-aarch64.c (PEI_HEADERS): Do not define.
+	* pe-x86_64.c (PEI_HEADERS): Do not define.
+	* pe-aarch64.c (PEI_HEADERS): Do not define.
+	* libpei.h (_LIBPEI_H): Add include guard.
+	* coff-x86_64.c (PEI_HEADERS): Do not check.
+	* coff-loongarch64.c (PEI_HEADERS): Do not check.
+	* coff-aarch64.c (PEI_HEADERS): Do not check.
+
 2023-07-24  Johannes Schauer Marin Rodrigues  <josch@debian.org>
 
 	* peXXigen.c (_bfd_XXi_only_swap_filehdr_out): If inserting a
diff --git a/bfd/coff-aarch64.c b/bfd/coff-aarch64.c
index 659cd4f162d..60e23134344 100644
--- a/bfd/coff-aarch64.c
+++ b/bfd/coff-aarch64.c
@@ -23,10 +23,6 @@
 #define COFF_WITH_peAArch64
 #endif
 
-/* Note we have to make sure not to include headers twice.
-   Not all headers are wrapped in #ifdef guards, so we define
-   PEI_HEADERS to prevent double including here.  */
-#ifndef PEI_HEADERS
 #include "sysdep.h"
 #include "bfd.h"
 #include "libbfd.h"
@@ -35,9 +31,6 @@
 #include "coff/pe.h"
 #include "libcoff.h"
 #include "libiberty.h"
-#endif
-
-#include "libcoff.h"
 
 /* For these howto special functions,
    output_bfd == NULL => final link, or objdump -W and other calls to
diff --git a/bfd/coff-loongarch64.c b/bfd/coff-loongarch64.c
index 9136e06fea2..8ae3f842271 100644
--- a/bfd/coff-loongarch64.c
+++ b/bfd/coff-loongarch64.c
@@ -23,10 +23,6 @@
 #define COFF_WITH_peLoongArch64
 #endif
 
-/* Note we have to make sure not to include headers twice.
-   Not all headers are wrapped in #ifdef guards, so we define
-   PEI_HEADERS to prevent double including here.  */
-#ifndef PEI_HEADERS
 #include "sysdep.h"
 #include "bfd.h"
 #include "libbfd.h"
@@ -35,9 +31,6 @@
 #include "coff/pe.h"
 #include "libcoff.h"
 #include "libiberty.h"
-#endif
-
-#include "libcoff.h"
 
 /* The page size is a guess based on ELF.  */
 
diff --git a/bfd/coff-x86_64.c b/bfd/coff-x86_64.c
index f5bd5a27c40..9a3f85cd1e5 100644
--- a/bfd/coff-x86_64.c
+++ b/bfd/coff-x86_64.c
@@ -20,10 +20,6 @@
 
    Written by Kai Tietz, OneVision Software GmbH&CoKg.  */
 
-/* Note we have to make sure not to include headers twice.
-   Not all headers are wrapped in #ifdef guards, so we define
-   PEI_HEADERS to prevent double including here.  */
-#ifndef PEI_HEADERS
 #include "sysdep.h"
 #include "bfd.h"
 #include "libbfd.h"
@@ -31,7 +27,6 @@
 #include "coff/internal.h"
 #include "libcoff.h"
 #include "libiberty.h"
-#endif
 
 #define BADMAG(x) AMD64BADMAG(x)
 
diff --git a/bfd/libpei.h b/bfd/libpei.h
index eafb9cf92c2..9837d4628dd 100644
--- a/bfd/libpei.h
+++ b/bfd/libpei.h
@@ -19,6 +19,8 @@
    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
    MA 02110-1301, USA.  */
 
+#ifndef _LIBPEI_H
+#define _LIBPEI_H
 
 /* Most of this hacked by  Steve Chamberlain,
 			sac@cygnus.com
@@ -445,3 +447,4 @@ bool _bfd_peAArch64_print_ce_compressed_pdata (bfd *, void *);
 bool _bfd_peLoongArch64_print_ce_compressed_pdata (bfd *, void *);
 bool _bfd_pep_print_ce_compressed_pdata (bfd *, void *);
 
+#endif /* _LIBPEI_H */
diff --git a/bfd/pe-aarch64.c b/bfd/pe-aarch64.c
index 9abc1cce5ea..2d5a7e25cea 100644
--- a/bfd/pe-aarch64.c
+++ b/bfd/pe-aarch64.c
@@ -55,7 +55,6 @@
 { COFF_SECTION_NAME_PARTIAL_MATCH (".gnu.linkonce.wi."), \
   COFF_ALIGNMENT_FIELD_EMPTY, COFF_ALIGNMENT_FIELD_EMPTY, 0 }
 
-#define PEI_HEADERS
 #include "sysdep.h"
 #include "bfd.h"
 #include "libbfd.h"
diff --git a/bfd/pe-x86_64.c b/bfd/pe-x86_64.c
index 04bf98e007c..b9c241edc7f 100644
--- a/bfd/pe-x86_64.c
+++ b/bfd/pe-x86_64.c
@@ -20,7 +20,6 @@
 
    Written by Kai Tietz, OneVision Software GmbH&CoKg.  */
 
-#define PEI_HEADERS
 #include "sysdep.h"
 #include "bfd.h"
 #include "libbfd.h"
diff --git a/bfd/pei-aarch64.c b/bfd/pei-aarch64.c
index 3fa2ff84b70..2ec1254ea85 100644
--- a/bfd/pei-aarch64.c
+++ b/bfd/pei-aarch64.c
@@ -56,7 +56,6 @@
 { COFF_SECTION_NAME_PARTIAL_MATCH (".gnu.linkonce.wi."), \
   COFF_ALIGNMENT_FIELD_EMPTY, COFF_ALIGNMENT_FIELD_EMPTY, 0 }
 
-#define PEI_HEADERS
 #include "sysdep.h"
 #include "bfd.h"
 #include "libbfd.h"
diff --git a/bfd/pei-loongarch64.c b/bfd/pei-loongarch64.c
index 89401291da4..3b7751a2b38 100644
--- a/bfd/pei-loongarch64.c
+++ b/bfd/pei-loongarch64.c
@@ -56,7 +56,6 @@
 { COFF_SECTION_NAME_PARTIAL_MATCH (".gnu.linkonce.wi."), \
   COFF_ALIGNMENT_FIELD_EMPTY, COFF_ALIGNMENT_FIELD_EMPTY, 0 }
 
-#define PEI_HEADERS
 #include "sysdep.h"
 #include "bfd.h"
 #include "libbfd.h"
diff --git a/bfd/pei-x86_64.c b/bfd/pei-x86_64.c
index 4d2ba71def9..65bd83e917d 100644
--- a/bfd/pei-x86_64.c
+++ b/bfd/pei-x86_64.c
@@ -58,10 +58,6 @@
 { COFF_SECTION_NAME_PARTIAL_MATCH (".gnu.linkonce.wi."), \
   COFF_ALIGNMENT_FIELD_EMPTY, COFF_ALIGNMENT_FIELD_EMPTY, 0 }
 
-/* Note we have to make sure not to include headers twice.
-   Not all headers are wrapped in #ifdef guards, so we define
-   PEI_HEADERS to prevent double including in coff-x86_64.c  */
-#define PEI_HEADERS
 #include "sysdep.h"
 #include "bfd.h"
 #include "libbfd.h"
diff --git a/include/ChangeLog b/include/ChangeLog
index 4d407403944..eb54da44146 100644
--- a/include/ChangeLog
+++ b/include/ChangeLog
@@ -1,3 +1,9 @@
+2023-08-02  Tom Tromey  <tromey@adacore.com>
+
+	* coff/x86_64.h (COFF_X86_64_H): Add include guard.
+	* coff/loongarch64.h (COFF_LOONGARCH64_H): Add include guard.
+	* coff/aarch64.h (COFF_AARCH64_H): Add include guard.
+
 2023-07-30  Jose E. Marchesi  <jose.marchesi@oracle.com>
 
 	* elf/bpf.h (EF_BPF_CPUVER): Define.
diff --git a/include/coff/aarch64.h b/include/coff/aarch64.h
index 4616cfef2b8..a3f2bcb76f7 100644
--- a/include/coff/aarch64.h
+++ b/include/coff/aarch64.h
@@ -17,6 +17,9 @@
    along with this program; if not, write to the Free Software Foundation,
    Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
 
+#ifndef COFF_AARCH64_H
+#define COFF_AARCH64_H
+
 #define COFFAARCH64 1
 
 #define L_LNNO_SIZE 2
@@ -82,3 +85,5 @@ struct external_reloc
 #define IMAGE_REL_ARM64_REL32           0x0011  /* The 32-bit relative address from the byte following the relocation. */
 
 #define ARM_NOTE_SECTION ".note"
+
+#endif /* COFF_AARCH64_H */
diff --git a/include/coff/loongarch64.h b/include/coff/loongarch64.h
index 5a21bcf9976..d273881623a 100644
--- a/include/coff/loongarch64.h
+++ b/include/coff/loongarch64.h
@@ -17,6 +17,9 @@
    along with this program; if not, write to the Free Software Foundation,
    Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
 
+#ifndef COFF_LOONGARCH64_H
+#define COFF_LOONGARCH64_H
+
 #define COFFLOONGARCH64 1
 
 #define L_LNNO_SIZE 2
@@ -59,3 +62,5 @@ struct external_reloc
 
 #define RELOC struct external_reloc
 #define RELSZ 14
+
+#endif /* COFF_LOONGARCH64_H */
diff --git a/include/coff/x86_64.h b/include/coff/x86_64.h
index 9980a84a835..3be9ee3874c 100644
--- a/include/coff/x86_64.h
+++ b/include/coff/x86_64.h
@@ -20,6 +20,9 @@
    
    Written by Kai Tietz, OneVision Software GmbH&CoKg.  */
 
+#ifndef COFF_X86_64_H
+#define COFF_X86_64_H
+
 #define L_LNNO_SIZE 2
 #define INCLUDE_COMDAT_FIELDS_IN_AUXENT
 
@@ -105,3 +108,5 @@ struct external_reloc
 #define R_PCRBYTE	18
 #define R_PCRWORD	19
 #define R_PCRLONG	20
+
+#endif /* COFF_X86_64_H */

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