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[newlib-cygwin] Add comment in the v850's crt0.S file noting that separate LMA and VMA addresses for data sections a


https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=e6413b0a64cfb429d0e4e1034f84b2e4483c1013

commit e6413b0a64cfb429d0e4e1034f84b2e4483c1013
Author: Nick Clifton <nickc@redhat.com>
Date:   Thu May 26 12:08:47 2016 +0100

    Add comment in the v850's crt0.S file noting that separate LMA and VMA addresses for data sections are not currently supported.

Diff:
---
 libgloss/v850/crt0.S | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/libgloss/v850/crt0.S b/libgloss/v850/crt0.S
index c9c93e7..8d44f88 100644
--- a/libgloss/v850/crt0.S
+++ b/libgloss/v850/crt0.S
@@ -24,6 +24,12 @@ _start:
 	movhi	2,		r0,	r6
 	ldsr    r6, 	    	fpsr
 #endif
+	// FIXME: We currently assume that the data sections
+	// are loaded in place - ie that they do not need to
+	// moved from eg ROM into RAM.  If that is not true
+	// then extra code needs to be added here.
+	
+	// Initialise the .bss section.
 	mov     hilo(_edata),	r6
 	mov     hilo(_end),	r7
 .L0:
@@ -52,6 +58,9 @@ _start:
 	movhi   hi(__gp),	r0,	gp
 	movea   lo(__gp),	gp,	gp
 
+	// FIXME: See note about not moving the data sections above.
+	
+	// Initialise the .bss section.
 	movhi   hi(_edata),	r0,	r6
 	movea   lo(_edata),	r6,	r6
 	movhi   hi(_end),	r0,	r7


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