sh-pic-set_fpscr.patch

来自「linux下编译交叉工具链的工具源码」· PATCH 代码 · 共 61 行

Should fix
make[2]: *** [/gcc-3.3-glibc-2.3.2/build-glibc/elf/check-textrel.out] Error 1 
in glibc's "make tests".

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Message-Id: <[e-mail]>
To: [e-mail]
Cc: [e-mail]
Subject: Re: Writing PIC version of __udivsi3_i4? (was: Re: "make tests" fails
 with "libc.so: text relocations used" in glibc-2.3.2 for sh4)
In-Reply-To: Your message of "Wed, 30 Jul 2003 11:20:49 +0900"
	<[e-mail]>
References: <[e-mail]>
Date: Wed, 30 Jul 2003 12:03:01 +0900
From: kaz Kojima <[e-mail]>

> I'll try to write the PIC version of it,

Dan, does the attached patch work for you?

[dank: original patch deleted; here's same thing rediffed against gcc-3.3 instead of HEAD]

--- gcc-3.3/gcc/config/sh/lib1funcs.asm.old	Tue Jul 29 21:37:29 2003
+++ gcc-3.3/gcc/config/sh/lib1funcs.asm	Tue Jul 29 21:40:58 2003
@@ -1792,7 +1792,17 @@
 	.global GLOBAL(set_fpscr)
 GLOBAL(set_fpscr):
 	lds r4,fpscr
+#ifdef __PIC__
+	mov.l	r12,@-r15
+	mova	LOCAL(set_fpscr_L0),r0
+	mov.l	LOCAL(set_fpscr_L0),r12
+	add	r0,r12
+	mov.l	LOCAL(set_fpscr_L1),r0
+	mov.l	@(r0,r12),r1
+	mov.l	@r15+,r12
+#else
 	mov.l LOCAL(set_fpscr_L1),r1
+#endif
 	swap.w r4,r0
 	or #24,r0
 #ifndef FMOVD_WORKS
@@ -1820,8 +1830,16 @@
 	mov.l r3,@(4,r1)
 #endif
 	.align 2
+#ifdef __PIC__
+LOCAL(set_fpscr_L0):
+	.long _GLOBAL_OFFSET_TABLE_
+LOCAL(set_fpscr_L1):
+	.long GLOBAL(fpscr_values@GOT)
+#else
 LOCAL(set_fpscr_L1):
 	.long GLOBAL(fpscr_values)
+#endif
+
 #ifdef __ELF__
         .comm   GLOBAL(fpscr_values),8,4
 #else