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OSF/1 with ELF support patches.

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From-SVN: r4655
This commit is contained in:
Michael Meissner 1993-06-09 20:20:45 +00:00
parent 703c875e7e
commit e04408387a
1 changed files with 43 additions and 10 deletions
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53
gcc/config/i386/osfrose.h
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@ -35,16 +35,21 @@ 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 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)
#undef SUBTARGET_SWITCHES
#define SUBTARGET_SWITCHES \
{ "half-pic", MASK_HALF_PIC}, \
{ "no-half-pic", -MASK_HALF_PIC}, \
{ "debugb", MASK_HALF_PIC_DEBUG},
{ "debugb", MASK_HALF_PIC_DEBUG}, \
{ "elf", MASK_ELF}, \
{ "no-elf", -MASK_ELF}, \
{ "rose", -MASK_ELF},
/* OSF/rose uses stabs, not dwarf. */
#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
@ -53,22 +58,17 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
#define DWARF_DEBUGGING_INFO /* enable dwarf debugging for testing */
#endif
/* Prefix that appears before all global/static identifiers, except for
temporary labels. */
/* Handle #pragma weak and #pragma pack. */
#define IDENTIFIER_PREFIX "_"
/* Suffix that appears after all global/static identifiers, except for
temporary labels. */
#define IDENTIFIER_SUFFIX ""
#define HANDLE_SYSV_PRAGMA
/* Change default predefines. */
#undef CPP_PREDEFINES
#define CPP_PREDEFINES "-DOSF -DOSF1 -Dunix -Di386"
#define CPP_PREDEFINES "-DOSF -DOSF1 -Dunix -Di386 -Asystem(unix) -Acpu(i386) -Amachine(i386)"
#undef CPP_SPEC
#define CPP_SPEC "\
%{!melf: -D__ROSE__} %{melf: -D__ELF__} \
%{.S: %{!ansi:%{!traditional:%{!traditional-cpp:%{!ftraditional: -traditional}}}}} \
%{.S: -D__LANGUAGE_ASSEMBLY %{!ansi:-DLANGUAGE_ASSEMBLY}} \
%{.cc: -D__LANGUAGE_C_PLUS_PLUS} \
@ -80,6 +80,7 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
/* Turn on -mpic-extern by default. */
#undef CC1_SPEC
#define CC1_SPEC "\
%{!melf: %{!mrose: %{!mno-elf: -mrose }}} \
%{gline:%{!g:%{!g0:%{!g1:%{!g2: -g1}}}}} \
%{pic-none: -mno-half-pic} \
%{fpic: -mno-half-pic} \
@ -431,3 +432,35 @@ while (0)
/* Don't default to pcc-struct-return, because gcc is the only compiler, and
we want to retain compatibility with older gcc versions. */
#define DEFAULT_PCC_STRUCT_RETURN 0
/* Map i386 registers to the numbers dwarf expects. Of course this is different
from what stabs expects. */
#define DWARF_DBX_REGISTER_NUMBER(n) \
((n) == 0 ? 0 \
: (n) == 1 ? 2 \
: (n) == 2 ? 1 \
: (n) == 3 ? 3 \
: (n) == 4 ? 6 \
: (n) == 5 ? 7 \
: (n) == 6 ? 5 \
: (n) == 7 ? 4 \
: ((n) >= FIRST_STACK_REG && (n) <= LAST_STACK_REG) ? (n)+3 \
: (-1))
/* Now what stabs expects in the register. */
#define STABS_DBX_REGISTER_NUMBER(n) \
((n) == 0 ? 0 : \
(n) == 1 ? 2 : \
(n) == 2 ? 1 : \
(n) == 3 ? 3 : \
(n) == 4 ? 6 : \
(n) == 5 ? 7 : \
(n) == 6 ? 4 : \
(n) == 7 ? 5 : \
(n) + 4)
#undef DBX_REGISTER_NUMBER
#define DBX_REGISTER_NUMBER(n) ((write_symbols == DWARF_DEBUG) \
? DWARF_DBX_REGISTER_NUMBER(n) \
: STABS_DBX_REGISTER_NUMBER(n))