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elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol in .sbss if appropriate.

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* config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
in .sbss if appropriate.
(EXTRA_SECTION_FUNCTIONS): Add sbss.
(SBSS_SECTION_ASM_OP): New macro.
* config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
(EXTRA_SECTIONS): Add in_sbss.
* config/mips/mips.h: Prototype sbss_section.

From-SVN: r29648
This commit is contained in:
Geoff Keating 1999-09-24 02:01:08 +00:00 committed by Geoffrey Keating
parent 8d54f0f03b
commit cc8f5ec081
4 changed files with 28 additions and 3 deletions
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10
gcc/ChangeLog
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@ -1,3 +1,13 @@
Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
* config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
in .sbss if appropriate.
(EXTRA_SECTION_FUNCTIONS): Add sbss.
(SBSS_SECTION_ASM_OP): New macro.
* config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
(EXTRA_SECTIONS): Add in_sbss.
* config/mips/mips.h: Prototype sbss_section.
Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
* stmt.c (expand_start_bindings): Don't allow cleanup isntructions

17
gcc/config/mips/elf.h
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@ -101,6 +101,8 @@ do { \
#define BSS_SECTION_ASM_OP ".section\t.bss"
#endif
#define SBSS_SECTION_ASM_OP "\t.section .sbss"
/* Like `ASM_OUTPUT_BSS' except takes the required alignment as a
separate, explicit argument. If you define this macro, it is used
in place of `ASM_OUTPUT_BSS', and gives you more flexibility in
@ -111,7 +113,17 @@ do { \
`varasm.c' when defining this macro. */
#ifndef ASM_OUTPUT_ALIGNED_BSS
#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN)
do { \
ASM_GLOBALIZE_LABEL (FILE, NAME); \
if (SIZE > 0 && SIZE <= mips_section_threshold) \
sbss_section (); \
else \
bss_section (); \
ASM_OUTPUT_ALIGN (FILE, floor_log2 (ALIGN / BITS_PER_UNIT)); \
last_assemble_variable_decl = DECL; \
ASM_DECLARE_OBJECT_NAME (FILE, NAME, DECL); \
ASM_OUTPUT_SKIP (FILE, SIZE ? SIZE : 1); \
} while (0)
#endif
/* These macros generate the special .type and .size directives which
@ -281,7 +293,7 @@ do { \
/* A list of other sections which the compiler might be "in" at any
given time. */
#undef EXTRA_SECTIONS
#define EXTRA_SECTIONS in_sdata, in_rdata, in_ctors, in_dtors
#define EXTRA_SECTIONS in_sdata, in_sbss, in_rdata, in_ctors, in_dtors
#define INVOKE__main
#define NAME__MAIN "__gccmain"
@ -290,6 +302,7 @@ do { \
#undef EXTRA_SECTION_FUNCTIONS
#define EXTRA_SECTION_FUNCTIONS \
SECTION_FUNCTION_TEMPLATE(sdata_section, in_sdata, SDATA_SECTION_ASM_OP) \
SECTION_FUNCTION_TEMPLATE(sbss_section, in_sbss, SBSS_SECTION_ASM_OP) \
SECTION_FUNCTION_TEMPLATE(rdata_section, in_rdata, RDATA_SECTION_ASM_OP) \
SECTION_FUNCTION_TEMPLATE(ctors_section, in_ctors, CTORS_SECTION_ASM_OP) \
SECTION_FUNCTION_TEMPLATE(dtors_section, in_dtors, DTORS_SECTION_ASM_OP)

3
gcc/config/mips/linux.h
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@ -82,7 +82,7 @@ Boston, MA 02111-1307, USA. */
#undef DTORS_SECTION_ASM_OP
#undef EXTRA_SECTIONS
#define EXTRA_SECTIONS in_sdata, in_rdata
#define EXTRA_SECTIONS in_sdata, in_sbss, in_rdata
#undef INVOKE__main
#undef NAME__MAIN
@ -91,6 +91,7 @@ Boston, MA 02111-1307, USA. */
#undef EXTRA_SECTION_FUNCTIONS
#define EXTRA_SECTION_FUNCTIONS \
SECTION_FUNCTION_TEMPLATE(sdata_section, in_sdata, SDATA_SECTION_ASM_OP) \
SECTION_FUNCTION_TEMPLATE(sbss_section, in_sbss, SBSS_SECTION_ASM_OP) \
SECTION_FUNCTION_TEMPLATE(rdata_section, in_rdata, RDATA_SECTION_ASM_OP)
#undef ASM_OUTPUT_CONSTRUCTOR

1
gcc/config/mips/mips.h
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@ -163,6 +163,7 @@ extern struct rtx_def *mips16_gp_pseudo_rtx; /* psuedo reg holding $gp */
/* Functions to change what output section we are using. */
extern void rdata_section PARAMS ((void));
extern void sdata_section PARAMS ((void));
extern void sbss_section PARAMS ((void));
/* Stubs for half-pic support if not OSF/1 reference platform. */