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(LIB_SPEC): Support -fshared-data.

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(CPP_SPEC): Set _SEQUENT_ to 1.
(SHARED_SECTION_ASM_OP, ASM_OUTPUT_SHARED_COMMON): Supply new macros.
(SHARED_BSS_SECTION_ASM_OP, BSS_SECTION_FUNCTION): Likewise.

From-SVN: r7262
This commit is contained in:
Richard Kenner 1994-05-07 12:12:53 -04:00
parent 19a9014fab
commit ac8ec8c0c9
1 changed files with 32 additions and 3 deletions
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35
gcc/config/i386/seq-sysv3.h
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@ -11,10 +11,13 @@
%{p:-L/usr/lib/libp}%{pg:-L/usr/lib/libp}"
#undef LIB_SPEC
#define LIB_SPEC "%{posix:-lcposix} %{shlib:-lc_s} -lc crtend.o%s"
#define LIB_SPEC \
"%{posix:-lcposix}\
%{shlib:-lc_s}\
%{fshared-data:-lpps -lseq} -lc crtend.o%s"
#undef CPP_SPEC
#define CPP_SPEC "%{posix:-D_POSIX_SOURCE} -D_SEQUENT_"
#define CPP_SPEC "%{posix:-D_POSIX_SOURCE} -D_SEQUENT_=1"
/* Although the .init section is used, it is not automatically invoked.
This because the _start() function in /lib/crt0.o never calls anything
@ -25,5 +28,31 @@
our own exit function. */
#define HAVE_ATEXIT
/* Assembler pseudo-op for shared data segment. */
/* Assembler pseudo-op for initialized shared variables (.shdata). */
#undef SHARED_SECTION_ASM_OP
#define SHARED_SECTION_ASM_OP ".section .shdata, \"ws\""
/* Assembler pseudo-op for uninitialized shared global variables (.shbss). */
#undef ASM_OUTPUT_SHARED_COMMON
#define ASM_OUTPUT_SHARED_COMMON(FILE, NAME, SIZE, ROUNDED) \
( fputs(".comm ", (FILE)), \
assemble_name((FILE), (NAME)), \
fprintf((FILE), ",%u,-3\n", (SIZE)))
/* Assembler pseudo-op for uninitialized shared local variables (.shbss). */
#undef SHARED_BSS_SECTION_ASM_OP
#define SHARED_BSS_SECTION_ASM_OP ".section .shbss, \"bs\""
#undef BSS_SECTION_FUNCTION
#define BSS_SECTION_FUNCTION \
void \
bss_section () \
{ \
if (in_section != in_bss) \
{ \
if (flag_shared_data) \
fprintf (asm_out_file, "%s\n", SHARED_BSS_SECTION_ASM_OP); \
else \
fprintf (asm_out_file, "%s\n", BSS_SECTION_ASM_OP); \
in_section = in_bss; \
} \
}