185 lines
4.1 KiB
Diff
185 lines
4.1 KiB
Diff
From: H.J. Lu <hjl.tools@gmail.com>
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Date: Mon, 26 Jul 2021 12:59:55 +0000 (-0700)
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Subject: bfd: Close the file descriptor if there is no archive fd
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X-Git-Url: https://sourceware.org/git/?p=binutils-gdb.git;a=commitdiff_plain;h=1c611b40e6bfc8029bff7696814330b5bc0ee5c0
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bfd: Close the file descriptor if there is no archive fd
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Close the file descriptor if there is no archive plugin file descriptor
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to avoid running out of file descriptors on thin archives with many
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archive members.
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bfd/
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PR ld/28138
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* plugin.c (bfd_plugin_close_file_descriptor): Close the file
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descriptor there is no archive plugin file descriptor.
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ld/
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PR ld/28138
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* testsuite/ld-plugin/lto.exp: Run tmpdir/pr28138 only for
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native build.
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PR ld/28138
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* testsuite/ld-plugin/lto.exp: Run ld/28138 tests.
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* testsuite/ld-plugin/pr28138.c: New file.
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* testsuite/ld-plugin/pr28138-1.c: Likewise.
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* testsuite/ld-plugin/pr28138-2.c: Likewise.
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* testsuite/ld-plugin/pr28138-3.c: Likewise.
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* testsuite/ld-plugin/pr28138-4.c: Likewise.
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* testsuite/ld-plugin/pr28138-5.c: Likewise.
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* testsuite/ld-plugin/pr28138-6.c: Likewise.
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* testsuite/ld-plugin/pr28138-7.c: Likewise.
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(cherry picked from commit 5a98fb7513b559e20dfebdbaa2a471afda3b4742)
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(cherry picked from commit 7dc37e1e1209c80e0bab784df6b6bac335e836f2)
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---
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--- a/bfd/plugin.c
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+++ b/bfd/plugin.c
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@@ -291,6 +291,14 @@ bfd_plugin_close_file_descriptor (bfd *a
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&& !bfd_is_thin_archive (abfd->my_archive))
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abfd = abfd->my_archive;
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+ /* Close the file descriptor if there is no archive plugin file
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+ descriptor. */
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+ if (abfd->archive_plugin_fd == -1)
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+ {
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+ close (fd);
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+ return;
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+ }
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+
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abfd->archive_plugin_fd_open_count--;
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/* Dup the archive plugin file descriptor for later use, which
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will be closed by _bfd_archive_close_and_cleanup. */
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--- a/ld/testsuite/ld-plugin/lto.exp
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+++ b/ld/testsuite/ld-plugin/lto.exp
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@@ -687,6 +687,40 @@ if { [is_elf_format] && [check_lto_share
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}
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}
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+run_cc_link_tests [list \
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+ [list \
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+ "Build pr28138.a" \
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+ "-T" "" \
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+ {pr28138-1.c pr28138-2.c pr28138-3.c pr28138-4.c pr28138-5.c \
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+ pr28138-6.c pr28138-7.c} {} "pr28138.a" \
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+ ] \
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+ [list \
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+ "Build pr28138.o" \
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+ "" "" \
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+ {pr28138.c} {} \
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+ ] \
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+]
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+
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+set exec_output [run_host_cmd "sh" \
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+ "-c \"ulimit -n 20; \
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+ $CC -Btmpdir/ld -o tmpdir/pr28138 \
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+ tmpdir/pr28138.o tmpdir/pr28138.a\""]
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+set exec_output [prune_warnings $exec_output]
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+if [string match "" $exec_output] then {
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+ if { [isnative] } {
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+ set exec_output [run_host_cmd "tmpdir/pr28138" ""]
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+ if [string match "PASS" $exec_output] then {
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+ pass "PR ld/28138"
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+ } else {
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+ fail "PR ld/28138"
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+ }
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+ } else {
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+ pass "PR ld/28138"
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+ }
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+} else {
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+ fail "PR ld/28138"
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+}
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+
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set testname "Build liblto-11.a"
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remote_file host delete "tmpdir/liblto-11.a"
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set catch_output [run_host_cmd "$ar" "rc $plug_opt tmpdir/liblto-11.a tmpdir/lto-11a.o tmpdir/lto-11b.o tmpdir/lto-11c.o"]
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--- /dev/null
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+++ b/ld/testsuite/ld-plugin/pr28138-1.c
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@@ -0,0 +1,6 @@
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+extern int a0(void);
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+int
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+a1(void)
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+{
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+ return 1 + a0();
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+}
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--- /dev/null
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+++ b/ld/testsuite/ld-plugin/pr28138-2.c
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@@ -0,0 +1,6 @@
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+extern int a1(void);
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+int
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+a2(void)
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+{
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+ return 1 + a1();
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+}
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--- /dev/null
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+++ b/ld/testsuite/ld-plugin/pr28138-3.c
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@@ -0,0 +1,6 @@
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+extern int a2(void);
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+int
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+a3(void)
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+{
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+ return 1 + a2();
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+}
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--- /dev/null
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+++ b/ld/testsuite/ld-plugin/pr28138-4.c
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@@ -0,0 +1,6 @@
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+extern int a3(void);
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+int
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+a4(void)
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+{
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+ return 1 + a3();
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+}
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--- /dev/null
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+++ b/ld/testsuite/ld-plugin/pr28138-5.c
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@@ -0,0 +1,6 @@
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+extern int a4(void);
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+int
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+a5(void)
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+{
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+ return 1 + a4();
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+}
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--- /dev/null
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+++ b/ld/testsuite/ld-plugin/pr28138-6.c
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@@ -0,0 +1,6 @@
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+extern int a5(void);
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+int
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+a6(void)
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+{
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+ return 1 + a5();
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+}
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--- /dev/null
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+++ b/ld/testsuite/ld-plugin/pr28138-7.c
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@@ -0,0 +1,6 @@
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+extern int a6(void);
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+int
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+a7(void)
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+{
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+ return 1 + a6();
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+}
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--- /dev/null
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+++ b/ld/testsuite/ld-plugin/pr28138.c
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@@ -0,0 +1,20 @@
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+#include <stdio.h>
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+
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+extern int a7(void);
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+
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+int
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+a0(void)
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+{
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+ return 0;
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+}
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+
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+int
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+main()
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+{
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+ if (a7() == 7)
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+ {
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+ printf ("PASS\n");
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+ return 0;
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+ }
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+ return 1;
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+}
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