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mep.c (vtext_section): New.

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* config/mep/mep.c (vtext_section): New.
(vftext_section): New.
(ftext_section): New.
(mep_select_section): Add support for functions.
(mep_unique_section): Likewise.
(mep_asm_init_sections): Likewise.

From-SVN: r150193
This commit is contained in:
DJ Delorie 2009-07-28 21:07:58 -04:00 committed by DJ Delorie
parent b54e4d7e1e
commit 820ca27683
3 changed files with 65 additions and 34 deletions
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11
gcc/ChangeLog
View File

@ -1,3 +1,14 @@
2009-07-28 DJ Delorie <dj@redhat.com>
* config/mep/mep.c (vtext_section): New.
(vftext_section): New.
(ftext_section): New.
(mep_select_section): Add support for functions.
(mep_unique_section): Likewise.
(mep_asm_init_sections): Likewise.
* config/mep/mep.h (USE_SELECT_SECTION_FOR_FUNCTIONS): Define.
2009-07-28 Paolo Bonzini <bonzinI@gnu.org>
* tree.h (TREE_DEPRECATED): Document it is used for types too.

86
gcc/config/mep/mep.c
View File

@ -129,6 +129,10 @@ static GTY(()) section * farbss_section;
static GTY(()) section * frodata_section;
static GTY(()) section * srodata_section;
static GTY(()) section * vtext_section;
static GTY(()) section * vftext_section;
static GTY(()) section * ftext_section;
static void mep_set_leaf_registers (int);
static bool symbol_p (rtx);
static bool symbolref_p (rtx);
@ -4553,38 +4557,6 @@ mep_encode_section_info (tree decl, rtx rtl, int first)
maxsize);
}
}
/* Functions do not go through select_section, so we force it here
by using the DECL_SECTION_NAME as if the user specified the
.vtext or .ftext sections. */
if (! DECL_SECTION_NAME (decl)
&& TREE_CODE (decl) == FUNCTION_DECL)
{
tree secname;
if (lookup_attribute ("vliw", TYPE_ATTRIBUTES (TREE_TYPE (decl))))
{
if (encoding == 'f')
DECL_SECTION_NAME (decl) = build_string (7, ".vftext");
else
DECL_SECTION_NAME (decl) = build_string (6, ".vtext");
}
else if (encoding == 'f')
{
if (flag_function_sections || DECL_ONE_ONLY (decl))
mep_unique_section (decl, 0);
else
DECL_SECTION_NAME (decl) = build_string (6, ".ftext");
}
/* This is so we can control inlining. It does not matter what
attribute we add, just that it has one. */
secname = build_tree_list (get_identifier ("section"), DECL_SECTION_NAME (decl));
if (TYPE_P (decl))
TYPE_ATTRIBUTES (decl) = chainon (TYPE_ATTRIBUTES (decl), secname);
else
DECL_ATTRIBUTES (decl) = chainon (DECL_ATTRIBUTES (decl), secname);
}
}
const char *
@ -4606,6 +4578,7 @@ mep_select_section (tree decl, int reloc ATTRIBUTE_UNUSED,
unsigned HOST_WIDE_INT align ATTRIBUTE_UNUSED)
{
int readonly = 1;
int encoding;
switch (TREE_CODE (decl))
{
@ -4626,6 +4599,30 @@ mep_select_section (tree decl, int reloc ATTRIBUTE_UNUSED,
break;
}
if (TREE_CODE (decl) == FUNCTION_DECL)
{
const char *name = XSTR (XEXP (DECL_RTL (decl), 0), 0);
if (name[0] == '@' && name[2] == '.')
encoding = name[1];
else
encoding = 0;
if (flag_function_sections || DECL_ONE_ONLY (decl))
mep_unique_section (decl, 0);
else if (lookup_attribute ("vliw", TYPE_ATTRIBUTES (TREE_TYPE (decl))))
{
if (encoding == 'f')
return vftext_section;
else
return vtext_section;
}
else if (encoding == 'f')
return ftext_section;
else
return text_section;
}
if (TREE_CODE (decl) == VAR_DECL)
{
const char *name = XSTR (XEXP (DECL_RTL (decl), 0), 0);
@ -4680,7 +4677,9 @@ mep_unique_section (tree decl, int reloc)
{ ".far.", ".gnu.linkonce.far." },
{ ".ftext.", ".gnu.linkonce.ft." },
{ ".frodata.", ".gnu.linkonce.frd." },
{ ".srodata.", ".gnu.linkonce.srd." }
{ ".srodata.", ".gnu.linkonce.srd." },
{ ".vtext.", ".gnu.linkonce.v." },
{ ".vftext.", ".gnu.linkonce.vf." }
};
int sec = 2; /* .data */
int len;
@ -4692,7 +4691,12 @@ mep_unique_section (tree decl, int reloc)
name = XSTR (XEXP (DECL_RTL (decl), 0), 0);
if (TREE_CODE (decl) == FUNCTION_DECL)
sec = 0; /* .text */
{
if (lookup_attribute ("vliw", TYPE_ATTRIBUTES (TREE_TYPE (decl))))
sec = 9; /* .vtext */
else
sec = 0; /* .text */
}
else if (decl_readonly_section (decl, reloc))
sec = 1; /* .rodata */
@ -4712,6 +4716,8 @@ mep_unique_section (tree decl, int reloc)
case 'f':
if (sec == 0)
sec = 6; /* .ftext */
else if (sec == 9)
sec = 10; /* .vftext */
else if (sec == 1)
sec = 7; /* .frodata */
else
@ -7353,6 +7359,18 @@ mep_asm_init_sections (void)
= get_unnamed_section (0, output_section_asm_op,
"\t.section .srodata,\"a\"");
vtext_section
= get_unnamed_section (0, output_section_asm_op,
"\t.section .vtext,\"ax\"");
vftext_section
= get_unnamed_section (0, output_section_asm_op,
"\t.section .vftext,\"ax\"");
ftext_section
= get_unnamed_section (0, output_section_asm_op,
"\t.section .ftext,\"ax\"");
}
#include "gt-mep.h"

2
gcc/config/mep/mep.h
View File

@ -621,6 +621,8 @@ typedef struct
#define DATA_SECTION_ASM_OP "\t.data"
#define BSS_SECTION_ASM_OP ".bss"
#define USE_SELECT_SECTION_FOR_FUNCTIONS 1
#define TARGET_ASM_FILE_END mep_file_cleanups
#define ASM_APP_ON "#APP\n"