From: Fangrui Song <i@maskray.me>
To: Alan Modra <amodra@gmail.com>
Cc: binutils@sourceware.org
Subject: Re: PR28827 testcase
Date: Fri, 4 Feb 2022 23:43:13 -0800 [thread overview]
Message-ID: <20220205074313.fqmorplqrc7b2a4u@gmail.com> (raw)
In-Reply-To: <Yf4fbpopDkXg5MMb@squeak.grove.modra.org>
On 2022-02-05, Alan Modra via Binutils wrote:
>This testcase triggers a stub sizing error with the patches applied
>for PR28743 (commit 2f83249c13d8 and c804c6f98d34).
>
> PR 28827
> * testsuite/ld-powerpc/pr28827-1.s,
> * testsuite/ld-powerpc/pr28827-1.d: New test.
> * testsuite/ld-powerpc/powerpc.exp: Run it.
>
>diff --git a/ld/testsuite/ld-powerpc/powerpc.exp b/ld/testsuite/ld-powerpc/powerpc.exp
>index 318bf92c85f..9eff14fc89f 100644
>--- a/ld/testsuite/ld-powerpc/powerpc.exp
>+++ b/ld/testsuite/ld-powerpc/powerpc.exp
>@@ -465,6 +465,7 @@ if [ supports_ppc64 ] then {
> run_dump_test "tlsie"
> run_dump_test "non-contiguous-powerpc64"
> run_dump_test "tprel"
>+ run_dump_test "pr28827-1"
> run_dump_test "pr28827-2"
> }
>
>diff --git a/ld/testsuite/ld-powerpc/pr28827-1.d b/ld/testsuite/ld-powerpc/pr28827-1.d
>new file mode 100644
>index 00000000000..8df9bcffddc
>--- /dev/null
>+++ b/ld/testsuite/ld-powerpc/pr28827-1.d
>@@ -0,0 +1,4 @@
>+# ld: -melf64ppc -gc-sections -shared -z relro --plt-align=0
>+# size: -A
>+
>+#pass
>diff --git a/ld/testsuite/ld-powerpc/pr28827-1.s b/ld/testsuite/ld-powerpc/pr28827-1.s
>new file mode 100644
>index 00000000000..bf647a69072
>--- /dev/null
>+++ b/ld/testsuite/ld-powerpc/pr28827-1.s
>@@ -0,0 +1,6828 @@
>+ .globl _start
>+ .type _start,@function
>+ .text
>+_start:
>+ .cfi_startproc
>+0:
>+ addis 2,12,(.TOC.-0b)@ha
>+ addi 2,2,(.TOC.-0b)@l
>+ .localentry _start,.-0b
>+ mflr 0
>+ std 0,16(1)
>+ stdu 1,-32(1)
>+ .cfi_def_cfa_offset 32
>+ .cfi_offset 65, 16
>+ bl f0
>+ nop
>+ bl f1
>+ nop
>+ bl f2
>+ nop
>+ bl f3
>+ nop
>+ bl f4
>+ nop
>+ bl f5
>+ nop
>+ bl f6
>[...]
Can the long list of instructions be replaced with two output sections
with only few instructions?
SECTIONS {
.text_low 0x2000: { *(.text_low) }
.text_high 0x2002000 : { *(.text_high) }
}
next prev parent reply other threads:[~2022-02-05 7:43 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-05 6:55 Alan Modra
2022-02-05 7:43 ` Fangrui Song [this message]
2022-02-05 10:00 ` Alan Modra
2022-02-05 10:39 ` Nick Clifton
2022-02-06 4:17 ` Alan Modra
2022-02-06 4:26 ` H.J. Lu
2022-02-06 22:54 ` Alan Modra
2022-02-06 23:38 ` H.J. Lu
2022-02-07 3:15 ` Alan Modra
2022-02-07 4:05 ` H.J. Lu
2022-02-07 5:32 ` Alan Modra
2022-02-08 11:41 ` Nick Clifton
2022-02-08 13:03 ` H.J. Lu
2022-02-08 23:48 ` Alan Modra
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