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More ELF changes.

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From-SVN: r4660
This commit is contained in:
Michael Meissner 1993-06-10 20:30:36 +00:00
parent 0f0cfffb6d
commit d304972dfb
2 changed files with 171 additions and 4 deletions
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3
gcc/config/i386/osfelf.h
View File

@ -49,7 +49,7 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
%{!pic-*: %{!fpic: %{!fPIC: -mhalf-pic}}}"
#undef ASM_SPEC
#define ASM_SPEC ""
#define ASM_SPEC "%{v*: -v}"
#undef LINK_SPEC
#define LINK_SPEC "%{noshrlib: } %{glue: }"
@ -63,3 +63,4 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
#define TARGET_VERSION_INTERNAL(STREAM) fputs (I386_VERSION, STREAM)
#define TARGET_VERSION TARGET_VERSION_INTERNAL (stderr)
#undef OBJECT_FORMAT_ROSE

172
gcc/config/i386/osfrose.h
View File

@ -36,11 +36,14 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
#define MASK_HALF_PIC 0x40000000 /* Mask for half-pic code */
#define MASK_HALF_PIC_DEBUG 0x20000000 /* Debug flag */
#define MASK_ELF 0x10000000 /* ELF not rose */
#define MASK_NO_IDENT 0x08000000 /* suppress .ident */
#define TARGET_HALF_PIC (target_flags & MASK_HALF_PIC)
#define TARGET_DEBUG (target_flags & MASK_HALF_PIC_DEBUG)
#define HALF_PIC_DEBUG TARGET_DEBUG
#define TARGET_ELF (target_flags & MASK_ELF)
#define TARGET_ROSE ((target_flags & MASK_ELF) == 0)
#define TARGET_IDENT ((target_flags & MASK_NO_IDENT) == 0)
#undef SUBTARGET_SWITCHES
#define SUBTARGET_SWITCHES \
@ -49,7 +52,9 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
{ "debugb", MASK_HALF_PIC_DEBUG}, \
{ "elf", MASK_ELF}, \
{ "no-elf", -MASK_ELF}, \
{ "rose", -MASK_ELF},
{ "rose", -MASK_ELF}, \
{ "ident", -MASK_NO_IDENT}, \
{ "no-ident", MASK_NO_IDENT},
/* OSF/rose uses stabs, not dwarf. */
#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
@ -92,7 +97,7 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
%{!pic-*: %{!fpic: %{!fPIC: -mhalf-pic}}}"
#undef ASM_SPEC
#define ASM_SPEC ""
#define ASM_SPEC "%{v*: -v}"
#undef LINK_SPEC
#define LINK_SPEC "%{v*: -v} \
@ -233,6 +238,20 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
#define OVERRIDE_OPTIONS \
{ \
/* \
if (TARGET_ELF && TARGET_HALF_PIC) \
{ \
target_flags &= ~MASK_HALF_PIC; \
flag_pic = 1; \
} \
*/ \
\
if (TARGET_ROSE && flag_pic) \
{ \
target_flags |= MASK_HALF_PIC; \
flag_pic = 0; \
} \
\
if (TARGET_HALF_PIC) \
half_pic_init (); \
}
@ -310,6 +329,24 @@ while (0)
}
/* Define the strings used for the special svr4 .type and .size directives.
These strings generally do not vary from one system running svr4 to
another, but if a given system (e.g. m88k running svr) needs to use
different pseudo-op names for these, they may be overridden in the
file which includes this one. */
#define TYPE_ASM_OP ".type"
#define SIZE_ASM_OP ".size"
#define WEAK_ASM_OP ".weak"
/* The following macro defines the format used to output the second
operand of the .type assembler directive. Different svr4 assemblers
expect various different forms for this operand. The one given here
is just a default. You may need to override it in your machine-
specific tm.h file (depending upon the particulars of your assembler). */
#define TYPE_OPERAND_FMT "@%s"
/* A C statement (sans semicolon) to output to the stdio stream
STREAM any text necessary for declaring the name NAME of an
initialized variable which is being defined. This macro must
@ -326,25 +363,154 @@ do \
{ \
ASM_OUTPUT_LABEL(STREAM,NAME); \
HALF_PIC_DECLARE (NAME); \
if (TARGET_ELF) \
{ \
fprintf (STREAM, "\t%s\t ", TYPE_ASM_OP); \
assemble_name (STREAM, NAME); \
putc (',', STREAM); \
fprintf (STREAM, TYPE_OPERAND_FMT, "object"); \
putc ('\n', STREAM); \
if (!flag_inhibit_size_directive) \
{ \
fprintf (STREAM, "\t%s\t ", SIZE_ASM_OP); \
assemble_name (STREAM, NAME); \
fprintf (STREAM, ",%d\n", int_size_in_bytes (TREE_TYPE (decl))); \
} \
} \
} \
while (0)
/* This is how to declare a function name. */
#undef ASM_DECLARE_FUNCTION_NAME
#define ASM_DECLARE_FUNCTION_NAME(STREAM,NAME,DECL) \
do \
{ \
ASM_OUTPUT_LABEL(STREAM,NAME); \
ASM_OUTPUT_LABEL(STREAM,NAME); \
HALF_PIC_DECLARE (NAME); \
if (TARGET_ELF) \
{ \
fprintf (STREAM, "\t%s\t ", TYPE_ASM_OP); \
assemble_name (STREAM, NAME); \
putc (',', STREAM); \
fprintf (STREAM, TYPE_OPERAND_FMT, "function"); \
putc ('\n', STREAM); \
ASM_DECLARE_RESULT (STREAM, DECL_RESULT (DECL)); \
} \
} \
while (0)
/* Write the extra assembler code needed to declare a function's result.
Most svr4 assemblers don't require any special declaration of the
result value, but there are exceptions. */
#ifndef ASM_DECLARE_RESULT
#define ASM_DECLARE_RESULT(FILE, RESULT)
#endif
/* This is how to declare the size of a function. */
#define ASM_DECLARE_FUNCTION_SIZE(FILE, FNAME, DECL) \
do \
{ \
if (TARGET_ELF && !flag_inhibit_size_directive) \
{ \
char label[256]; \
static int labelno; \
labelno++; \
ASM_GENERATE_INTERNAL_LABEL (label, "Lfe", labelno); \
ASM_OUTPUT_INTERNAL_LABEL (FILE, "Lfe", labelno); \
fprintf (FILE, "/\t%s\t ", SIZE_ASM_OP); \
assemble_name (FILE, (FNAME)); \
fprintf (FILE, ","); \
assemble_name (FILE, label); \
fprintf (FILE, "-"); \
assemble_name (FILE, (FNAME)); \
putc ('\n', FILE); \
} \
} \
while (0)
/* Attach a special .ident directive to the end of the file to identify
the version of GCC which compiled this code. The format of the
.ident string is patterned after the ones produced by native svr4
C compilers. */
#define IDENT_ASM_OP ".ident"
/* Allow #sccs in preprocessor. */
#define SCCS_DIRECTIVE
/* This says what to print at the end of the assembly file */
#define ASM_FILE_END(STREAM) \
do \
{ \
if (HALF_PIC_P ()) \
HALF_PIC_FINISH (STREAM); \
\
if (TARGET_IDENT) \
{ \
fprintf ((STREAM), "\t%s\t\"GCC: (GNU) %s -O%d", \
IDENT_ASM_OP, version_string, optimize); \
\
if (write_symbols == PREFERRED_DEBUGGING_TYPE) \
fprintf ((STREAM), " -g%d", (int)debug_info_level); \
\
else if (write_symbols == DBX_DEBUG) \
fprintf ((STREAM), " -gstabs%d", (int)debug_info_level); \
\
else if (write_symbols == DWARF_DEBUG) \
fprintf ((STREAM), " -gdwarf%d", (int)debug_info_level); \
\
else if (write_symbols != NO_DEBUG) \
fprintf ((STREAM), " -g??%d", (int)debug_info_level); \
\
if (flag_omit_frame_pointer) \
fprintf ((STREAM), " -fomit-frame-pointer"); \
\
if (flag_strength_reduce) \
fprintf ((STREAM), " -fstrength-reduce"); \
\
if (flag_unroll_loops) \
fprintf ((STREAM), " -funroll-loops"); \
\
if (flag_force_mem) \
fprintf ((STREAM), " -fforce-mem"); \
\
if (flag_force_addr) \
fprintf ((STREAM), " -fforce-addr"); \
\
if (flag_inline_functions) \
fprintf ((STREAM), " -finline-functions"); \
\
if (flag_caller_saves) \
fprintf ((STREAM), " -fcaller-saves"); \
\
if (flag_pic) \
fprintf ((STREAM), (flag_pic > 1) ? " -fPIC" : " -fpic"); \
\
if (flag_inhibit_size_directive) \
fprintf ((STREAM), " -finhibit-size-directive"); \
\
if (flag_gnu_linker) \
fprintf ((STREAM), " -fgnu-linker"); \
\
if (profile_flag) \
fprintf ((STREAM), " -p"); \
\
if (profile_block_flag) \
fprintf ((STREAM), " -a"); \
\
if (TARGET_IEEE_FP) \
fprintf ((STREAM), " -mieee-fp"); \
\
if (TARGET_HALF_PIC) \
fprintf ((STREAM), " -mhalf-pic"); \
\
fprintf ((STREAM), (TARGET_486) ? " -m486" : " -m386"); \
fprintf ((STREAM), (TARGET_ELF) ? " -melf\"\n" : " -mrose\"\n"); \
} \
} \
while (0)