From: Martin Storsjo <martin@martin.st>
To: binutils@sourceware.org
Subject: [PATCH v3 2/2] ld: Support the -exclude-symbols option via COFF def files, with the EXCLUDE_SYMBOLS keyword
Date: Thu, 28 Jul 2022 16:37:37 +0300 [thread overview]
Message-ID: <20220728133737.4049560-2-martin@martin.st> (raw)
In-Reply-To: <20220728133737.4049560-1-martin@martin.st>
This was requested in review.
---
v3: Fixed the testcase to run successfully, added an x86_64 testcase, changed
i*86 into i?86.
---
ld/deffile.h | 2 ++
ld/deffilep.y | 3 +++
ld/testsuite/ld-pe/exclude-symbols-def-i386.d | 10 ++++++++++
ld/testsuite/ld-pe/exclude-symbols-def-i386.s | 11 +++++++++++
ld/testsuite/ld-pe/exclude-symbols-def-x86_64.d | 10 ++++++++++
ld/testsuite/ld-pe/exclude-symbols-def-x86_64.s | 11 +++++++++++
ld/testsuite/ld-pe/exclude-symbols-def.def | 4 ++++
ld/testsuite/ld-pe/pe.exp | 2 ++
8 files changed, 53 insertions(+)
create mode 100644 ld/testsuite/ld-pe/exclude-symbols-def-i386.d
create mode 100644 ld/testsuite/ld-pe/exclude-symbols-def-i386.s
create mode 100644 ld/testsuite/ld-pe/exclude-symbols-def-x86_64.d
create mode 100644 ld/testsuite/ld-pe/exclude-symbols-def-x86_64.s
create mode 100644 ld/testsuite/ld-pe/exclude-symbols-def.def
diff --git a/ld/deffile.h b/ld/deffile.h
index 306ae3a6f75..a247639628e 100644
--- a/ld/deffile.h
+++ b/ld/deffile.h
@@ -99,6 +99,8 @@ typedef struct def_file {
/* Only expected from .drectve sections, not .DEF files. */
def_file_aligncomm *aligncomms;
+
+ /* From EXCLUDE_SYMBOLS or embedded directives. */
def_file_exclude_symbol *exclude_symbols;
} def_file;
diff --git a/ld/deffilep.y b/ld/deffilep.y
index 126f33a1352..e8d31c6dae7 100644
--- a/ld/deffilep.y
+++ b/ld/deffilep.y
@@ -249,6 +249,7 @@ keyword_as_name: BASE { $$ = "BASE"; }
| DATAL { $$ = "data"; }
| DESCRIPTION { $$ = "DESCRIPTION"; }
| DIRECTIVE { $$ = "DIRECTIVE"; }
+ | EXCLUDE_SYMBOLS { $$ = "EXCLUDE_SYMBOLS"; }
| EXECUTE { $$ = "EXECUTE"; }
| EXPORTS { $$ = "EXPORTS"; }
| HEAPSIZE { $$ = "HEAPSIZE"; }
@@ -337,6 +338,7 @@ anylang_id: ID { $$ = $1; }
symbol_list:
anylang_id { def_exclude_symbols ($1); }
+ | symbol_list anylang_id { def_exclude_symbols ($2); }
| symbol_list ',' anylang_id { def_exclude_symbols ($3); }
;
@@ -1355,6 +1357,7 @@ tokens[] =
{ "data", DATAL },
{ "DESCRIPTION", DESCRIPTION },
{ "DIRECTIVE", DIRECTIVE },
+ { "EXCLUDE_SYMBOLS", EXCLUDE_SYMBOLS },
{ "EXECUTE", EXECUTE },
{ "EXPORTS", EXPORTS },
{ "HEAPSIZE", HEAPSIZE },
diff --git a/ld/testsuite/ld-pe/exclude-symbols-def-i386.d b/ld/testsuite/ld-pe/exclude-symbols-def-i386.d
new file mode 100644
index 00000000000..1f15c893447
--- /dev/null
+++ b/ld/testsuite/ld-pe/exclude-symbols-def-i386.d
@@ -0,0 +1,10 @@
+#source: exclude-symbols-def-i386.s
+#target: i?86-*-cygwin* i?86-*-pe i?86-*-mingw*
+#ld: -shared ${srcdir}/${subdir}/exclude-symbols-def.def
+#objdump: -p
+
+#...
+.*\[[ ]*0\] sym1
+.*\[[ ]*1\] sym3
+.*\[[ ]*2\] sym5
+#pass
diff --git a/ld/testsuite/ld-pe/exclude-symbols-def-i386.s b/ld/testsuite/ld-pe/exclude-symbols-def-i386.s
new file mode 100644
index 00000000000..fd533bb44c9
--- /dev/null
+++ b/ld/testsuite/ld-pe/exclude-symbols-def-i386.s
@@ -0,0 +1,11 @@
+.global _sym1
+.global _sym2
+.global _sym3
+.global _sym4
+.global _sym5
+_sym1:
+_sym2:
+_sym3:
+_sym4:
+_sym5:
+ ret
diff --git a/ld/testsuite/ld-pe/exclude-symbols-def-x86_64.d b/ld/testsuite/ld-pe/exclude-symbols-def-x86_64.d
new file mode 100644
index 00000000000..39de8813dc5
--- /dev/null
+++ b/ld/testsuite/ld-pe/exclude-symbols-def-x86_64.d
@@ -0,0 +1,10 @@
+#source: exclude-symbols-def-x86_64.s
+#target: x86_64-*-cygwin* x86_64-*-pe x86_64-*-mingw*
+#ld: -shared ${srcdir}/${subdir}/exclude-symbols-def.def
+#objdump: -p
+
+#...
+.*\[[ ]*0\] sym1
+.*\[[ ]*1\] sym3
+.*\[[ ]*2\] sym5
+#pass
diff --git a/ld/testsuite/ld-pe/exclude-symbols-def-x86_64.s b/ld/testsuite/ld-pe/exclude-symbols-def-x86_64.s
new file mode 100644
index 00000000000..2889de1c160
--- /dev/null
+++ b/ld/testsuite/ld-pe/exclude-symbols-def-x86_64.s
@@ -0,0 +1,11 @@
+.global sym1
+.global sym2
+.global sym3
+.global sym4
+.global sym5
+sym1:
+sym2:
+sym3:
+sym4:
+sym5:
+ ret
diff --git a/ld/testsuite/ld-pe/exclude-symbols-def.def b/ld/testsuite/ld-pe/exclude-symbols-def.def
new file mode 100644
index 00000000000..c0cee7b1e70
--- /dev/null
+++ b/ld/testsuite/ld-pe/exclude-symbols-def.def
@@ -0,0 +1,4 @@
+LIBRARY exclude-symbols-def.dll
+EXCLUDE_SYMBOLS
+sym2
+sym4
diff --git a/ld/testsuite/ld-pe/pe.exp b/ld/testsuite/ld-pe/pe.exp
index b640b0891f2..22819e0894f 100644
--- a/ld/testsuite/ld-pe/pe.exp
+++ b/ld/testsuite/ld-pe/pe.exp
@@ -127,3 +127,5 @@ run_ld_link_tests $foreign_sym_test
run_dump_test "exclude-symbols-embedded-i386"
run_dump_test "exclude-symbols-embedded-x86_64"
+run_dump_test "exclude-symbols-def-i386"
+run_dump_test "exclude-symbols-def-x86_64"
--
2.25.1
next prev parent reply other threads:[~2022-07-28 13:37 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-28 13:37 [PATCH v3 1/2] ld: Add support for a new option, -exclude-symbols, in COFF object file directives Martin Storsjo
2022-07-28 13:37 ` Martin Storsjo [this message]
2022-08-01 11:12 ` [PATCH v3 2/2] ld: Support the -exclude-symbols option via COFF def files, with the EXCLUDE_SYMBOLS keyword Nick Clifton
2022-08-01 20:24 ` Martin Storsjö
2022-08-01 11:11 ` [PATCH v3 1/2] ld: Add support for a new option, -exclude-symbols, in COFF object file directives Nick Clifton
2022-08-01 11:35 ` Martin Storsjö
2022-08-01 12:25 ` Nick Clifton
2022-08-01 13:18 ` Martin Storsjö
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20220728133737.4049560-2-martin@martin.st \
--to=martin@martin.st \
--cc=binutils@sourceware.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).