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* [glibc/arm/morello/main] aarch64: morello: purecap crti.S and crtn.S
@ 2022-11-23 14:44 Szabolcs Nagy
0 siblings, 0 replies; 3+ messages in thread
From: Szabolcs Nagy @ 2022-11-23 14:44 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4b5b494ecc84ae128c3680120d2cdf0001ee9867
commit 4b5b494ecc84ae128c3680120d2cdf0001ee9867
Author: Carlos Eduardo Seo <carlos.seo@arm.com>
Date: Thu Mar 18 15:02:54 2021 -0300
aarch64: morello: purecap crti.S and crtn.S
Purecap ABI versions of crti.S and crtn.S.
Diff:
---
sysdeps/aarch64/morello/crti.S | 93 ++++++++++++++++++++++++++++++++++++++++++
sysdeps/aarch64/morello/crtn.S | 48 ++++++++++++++++++++++
2 files changed, 141 insertions(+)
diff --git a/sysdeps/aarch64/morello/crti.S b/sysdeps/aarch64/morello/crti.S
new file mode 100644
index 0000000000..b8b201031b
--- /dev/null
+++ b/sysdeps/aarch64/morello/crti.S
@@ -0,0 +1,93 @@
+/* Special .init and .fini section support for Morello.
+ Copyright (C) 1995-2022 Free Software Foundation, Inc.
+
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ In addition to the permissions in the GNU Lesser General Public
+ License, the Free Software Foundation gives you unlimited
+ permission to link the compiled version of this file with other
+ programs, and to distribute those programs without any restriction
+ coming from the use of this file. (The GNU Lesser General Public
+ License restrictions do apply in other respects; for example, they
+ cover modification of the file, and distribution when not linked
+ into another program.)
+
+ Note that people who make modified versions of this file are not
+ obligated to grant this special exception for their modified
+ versions; it is their choice whether to do so. The GNU Lesser
+ General Public License gives permission to release a modified
+ version without this exception; this exception also makes it
+ possible to release a modified version which carries forward this
+ exception.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <https://www.gnu.org/licenses/>. */
+
+/* crti.S puts a function prologue at the beginning of the .init and
+ .fini sections and defines global symbols for those addresses, so
+ they can be called as functions. The symbols _init and _fini are
+ magic and cause the linker to emit DT_INIT and DT_FINI. */
+
+#include <sysdep.h>
+#include <libc-symbols.h>
+
+#ifndef PREINIT_FUNCTION
+# define PREINIT_FUNCTION __gmon_start__
+#endif
+
+#ifndef PREINIT_FUNCTION_WEAK
+# define PREINIT_FUNCTION_WEAK 1
+#endif
+
+#if PREINIT_FUNCTION_WEAK
+ weak_extern (PREINIT_FUNCTION)
+#else
+ .hidden PREINIT_FUNCTION
+#endif
+
+#if PREINIT_FUNCTION_WEAK
+ .align 2
+ .type call_weak_fn, %function
+call_weak_fn:
+ adrp c0, :got:PREINIT_FUNCTION
+ ldr c0, [c0, #:got_lo12:PREINIT_FUNCTION]
+ cbz x0, 1f
+ b PREINIT_FUNCTION
+1:
+ RET
+ .size call_weak_fn, .-call_weak_fn
+#endif
+
+ .section .init,"ax",%progbits
+ .align 2
+ .global _init
+ .hidden _init
+ .type _init, %function
+_init:
+ stp c29, c30, [csp, -32]!
+ mov c29, csp
+#if PREINIT_FUNCTION_WEAK
+ bl call_weak_fn
+#else
+ bl PREINIT_FUNCTION
+#endif
+
+ .section .fini,"ax",%progbits
+ .align 2
+ .global _fini
+ .hidden _fini
+ .type _fini, %function
+_fini:
+ stp c29, c30, [csp, -32]!
+ mov c29, csp
diff --git a/sysdeps/aarch64/morello/crtn.S b/sysdeps/aarch64/morello/crtn.S
new file mode 100644
index 0000000000..f405accee1
--- /dev/null
+++ b/sysdeps/aarch64/morello/crtn.S
@@ -0,0 +1,48 @@
+/* Special .init and .fini section support for Morello.
+ Copyright (C) 1995-2022 Free Software Foundation, Inc.
+
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ In addition to the permissions in the GNU Lesser General Public
+ License, the Free Software Foundation gives you unlimited
+ permission to link the compiled version of this file with other
+ programs, and to distribute those programs without any restriction
+ coming from the use of this file. (The GNU Lesser General Public
+ License restrictions do apply in other respects; for example, they
+ cover modification of the file, and distribution when not linked
+ into another program.)
+
+ Note that people who make modified versions of this file are not
+ obligated to grant this special exception for their modified
+ versions; it is their choice whether to do so. The GNU Lesser
+ General Public License gives permission to release a modified
+ version without this exception; this exception also makes it
+ possible to release a modified version which carries forward this
+ exception.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <https://www.gnu.org/licenses/>. */
+
+/* crtn.S puts function epilogues in the .init and .fini sections
+ corresponding to the prologues in crti.S. */
+
+#include <sysdep.h>
+
+ .section .init,"ax",%progbits
+ ldp c29, c30, [csp], 32
+ RET
+
+ .section .fini,"ax",%progbits
+ ldp c29, c30, [csp], 32
+ RET
^ permalink raw reply [flat|nested] 3+ messages in thread
* [glibc/arm/morello/main] aarch64: morello: purecap crti.S and crtn.S
@ 2022-10-27 13:54 Szabolcs Nagy
0 siblings, 0 replies; 3+ messages in thread
From: Szabolcs Nagy @ 2022-10-27 13:54 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9dfa90fe40d857142b1e7f2a51e0432b4c0a805f
commit 9dfa90fe40d857142b1e7f2a51e0432b4c0a805f
Author: Carlos Eduardo Seo <carlos.seo@arm.com>
Date: Thu Mar 18 15:02:54 2021 -0300
aarch64: morello: purecap crti.S and crtn.S
Purecap ABI versions of crti.S and crtn.S.
Diff:
---
sysdeps/aarch64/morello/crti.S | 93 ++++++++++++++++++++++++++++++++++++++++++
sysdeps/aarch64/morello/crtn.S | 48 ++++++++++++++++++++++
2 files changed, 141 insertions(+)
diff --git a/sysdeps/aarch64/morello/crti.S b/sysdeps/aarch64/morello/crti.S
new file mode 100644
index 0000000000..b8b201031b
--- /dev/null
+++ b/sysdeps/aarch64/morello/crti.S
@@ -0,0 +1,93 @@
+/* Special .init and .fini section support for Morello.
+ Copyright (C) 1995-2022 Free Software Foundation, Inc.
+
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ In addition to the permissions in the GNU Lesser General Public
+ License, the Free Software Foundation gives you unlimited
+ permission to link the compiled version of this file with other
+ programs, and to distribute those programs without any restriction
+ coming from the use of this file. (The GNU Lesser General Public
+ License restrictions do apply in other respects; for example, they
+ cover modification of the file, and distribution when not linked
+ into another program.)
+
+ Note that people who make modified versions of this file are not
+ obligated to grant this special exception for their modified
+ versions; it is their choice whether to do so. The GNU Lesser
+ General Public License gives permission to release a modified
+ version without this exception; this exception also makes it
+ possible to release a modified version which carries forward this
+ exception.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <https://www.gnu.org/licenses/>. */
+
+/* crti.S puts a function prologue at the beginning of the .init and
+ .fini sections and defines global symbols for those addresses, so
+ they can be called as functions. The symbols _init and _fini are
+ magic and cause the linker to emit DT_INIT and DT_FINI. */
+
+#include <sysdep.h>
+#include <libc-symbols.h>
+
+#ifndef PREINIT_FUNCTION
+# define PREINIT_FUNCTION __gmon_start__
+#endif
+
+#ifndef PREINIT_FUNCTION_WEAK
+# define PREINIT_FUNCTION_WEAK 1
+#endif
+
+#if PREINIT_FUNCTION_WEAK
+ weak_extern (PREINIT_FUNCTION)
+#else
+ .hidden PREINIT_FUNCTION
+#endif
+
+#if PREINIT_FUNCTION_WEAK
+ .align 2
+ .type call_weak_fn, %function
+call_weak_fn:
+ adrp c0, :got:PREINIT_FUNCTION
+ ldr c0, [c0, #:got_lo12:PREINIT_FUNCTION]
+ cbz x0, 1f
+ b PREINIT_FUNCTION
+1:
+ RET
+ .size call_weak_fn, .-call_weak_fn
+#endif
+
+ .section .init,"ax",%progbits
+ .align 2
+ .global _init
+ .hidden _init
+ .type _init, %function
+_init:
+ stp c29, c30, [csp, -32]!
+ mov c29, csp
+#if PREINIT_FUNCTION_WEAK
+ bl call_weak_fn
+#else
+ bl PREINIT_FUNCTION
+#endif
+
+ .section .fini,"ax",%progbits
+ .align 2
+ .global _fini
+ .hidden _fini
+ .type _fini, %function
+_fini:
+ stp c29, c30, [csp, -32]!
+ mov c29, csp
diff --git a/sysdeps/aarch64/morello/crtn.S b/sysdeps/aarch64/morello/crtn.S
new file mode 100644
index 0000000000..f405accee1
--- /dev/null
+++ b/sysdeps/aarch64/morello/crtn.S
@@ -0,0 +1,48 @@
+/* Special .init and .fini section support for Morello.
+ Copyright (C) 1995-2022 Free Software Foundation, Inc.
+
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ In addition to the permissions in the GNU Lesser General Public
+ License, the Free Software Foundation gives you unlimited
+ permission to link the compiled version of this file with other
+ programs, and to distribute those programs without any restriction
+ coming from the use of this file. (The GNU Lesser General Public
+ License restrictions do apply in other respects; for example, they
+ cover modification of the file, and distribution when not linked
+ into another program.)
+
+ Note that people who make modified versions of this file are not
+ obligated to grant this special exception for their modified
+ versions; it is their choice whether to do so. The GNU Lesser
+ General Public License gives permission to release a modified
+ version without this exception; this exception also makes it
+ possible to release a modified version which carries forward this
+ exception.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <https://www.gnu.org/licenses/>. */
+
+/* crtn.S puts function epilogues in the .init and .fini sections
+ corresponding to the prologues in crti.S. */
+
+#include <sysdep.h>
+
+ .section .init,"ax",%progbits
+ ldp c29, c30, [csp], 32
+ RET
+
+ .section .fini,"ax",%progbits
+ ldp c29, c30, [csp], 32
+ RET
^ permalink raw reply [flat|nested] 3+ messages in thread
* [glibc/arm/morello/main] aarch64: morello: purecap crti.S and crtn.S
@ 2022-10-26 15:15 Szabolcs Nagy
0 siblings, 0 replies; 3+ messages in thread
From: Szabolcs Nagy @ 2022-10-26 15:15 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b139e8ed241a82530fea56337e6e95ded4384303
commit b139e8ed241a82530fea56337e6e95ded4384303
Author: Carlos Eduardo Seo <carlos.seo@arm.com>
Date: Thu Mar 18 15:02:54 2021 -0300
aarch64: morello: purecap crti.S and crtn.S
Purecap ABI versions of crti.S and crtn.S.
Diff:
---
sysdeps/aarch64/morello/crti.S | 93 ++++++++++++++++++++++++++++++++++++++++++
sysdeps/aarch64/morello/crtn.S | 48 ++++++++++++++++++++++
2 files changed, 141 insertions(+)
diff --git a/sysdeps/aarch64/morello/crti.S b/sysdeps/aarch64/morello/crti.S
new file mode 100644
index 0000000000..b8b201031b
--- /dev/null
+++ b/sysdeps/aarch64/morello/crti.S
@@ -0,0 +1,93 @@
+/* Special .init and .fini section support for Morello.
+ Copyright (C) 1995-2022 Free Software Foundation, Inc.
+
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ In addition to the permissions in the GNU Lesser General Public
+ License, the Free Software Foundation gives you unlimited
+ permission to link the compiled version of this file with other
+ programs, and to distribute those programs without any restriction
+ coming from the use of this file. (The GNU Lesser General Public
+ License restrictions do apply in other respects; for example, they
+ cover modification of the file, and distribution when not linked
+ into another program.)
+
+ Note that people who make modified versions of this file are not
+ obligated to grant this special exception for their modified
+ versions; it is their choice whether to do so. The GNU Lesser
+ General Public License gives permission to release a modified
+ version without this exception; this exception also makes it
+ possible to release a modified version which carries forward this
+ exception.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <https://www.gnu.org/licenses/>. */
+
+/* crti.S puts a function prologue at the beginning of the .init and
+ .fini sections and defines global symbols for those addresses, so
+ they can be called as functions. The symbols _init and _fini are
+ magic and cause the linker to emit DT_INIT and DT_FINI. */
+
+#include <sysdep.h>
+#include <libc-symbols.h>
+
+#ifndef PREINIT_FUNCTION
+# define PREINIT_FUNCTION __gmon_start__
+#endif
+
+#ifndef PREINIT_FUNCTION_WEAK
+# define PREINIT_FUNCTION_WEAK 1
+#endif
+
+#if PREINIT_FUNCTION_WEAK
+ weak_extern (PREINIT_FUNCTION)
+#else
+ .hidden PREINIT_FUNCTION
+#endif
+
+#if PREINIT_FUNCTION_WEAK
+ .align 2
+ .type call_weak_fn, %function
+call_weak_fn:
+ adrp c0, :got:PREINIT_FUNCTION
+ ldr c0, [c0, #:got_lo12:PREINIT_FUNCTION]
+ cbz x0, 1f
+ b PREINIT_FUNCTION
+1:
+ RET
+ .size call_weak_fn, .-call_weak_fn
+#endif
+
+ .section .init,"ax",%progbits
+ .align 2
+ .global _init
+ .hidden _init
+ .type _init, %function
+_init:
+ stp c29, c30, [csp, -32]!
+ mov c29, csp
+#if PREINIT_FUNCTION_WEAK
+ bl call_weak_fn
+#else
+ bl PREINIT_FUNCTION
+#endif
+
+ .section .fini,"ax",%progbits
+ .align 2
+ .global _fini
+ .hidden _fini
+ .type _fini, %function
+_fini:
+ stp c29, c30, [csp, -32]!
+ mov c29, csp
diff --git a/sysdeps/aarch64/morello/crtn.S b/sysdeps/aarch64/morello/crtn.S
new file mode 100644
index 0000000000..f405accee1
--- /dev/null
+++ b/sysdeps/aarch64/morello/crtn.S
@@ -0,0 +1,48 @@
+/* Special .init and .fini section support for Morello.
+ Copyright (C) 1995-2022 Free Software Foundation, Inc.
+
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ In addition to the permissions in the GNU Lesser General Public
+ License, the Free Software Foundation gives you unlimited
+ permission to link the compiled version of this file with other
+ programs, and to distribute those programs without any restriction
+ coming from the use of this file. (The GNU Lesser General Public
+ License restrictions do apply in other respects; for example, they
+ cover modification of the file, and distribution when not linked
+ into another program.)
+
+ Note that people who make modified versions of this file are not
+ obligated to grant this special exception for their modified
+ versions; it is their choice whether to do so. The GNU Lesser
+ General Public License gives permission to release a modified
+ version without this exception; this exception also makes it
+ possible to release a modified version which carries forward this
+ exception.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <https://www.gnu.org/licenses/>. */
+
+/* crtn.S puts function epilogues in the .init and .fini sections
+ corresponding to the prologues in crti.S. */
+
+#include <sysdep.h>
+
+ .section .init,"ax",%progbits
+ ldp c29, c30, [csp], 32
+ RET
+
+ .section .fini,"ax",%progbits
+ ldp c29, c30, [csp], 32
+ RET
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2022-11-23 14:44 UTC | newest]
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2022-10-27 13:54 Szabolcs Nagy
2022-10-26 15:15 Szabolcs Nagy
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