364 lines
11 KiB
C
364 lines
11 KiB
C
/* Definitions of target machine for GNU compiler, for 64-bit SPARC
|
|
running Solaris 2 using the system linker. */
|
|
|
|
#define SPARC_BI_ARCH
|
|
|
|
#include "sparc/sol2.h"
|
|
|
|
/* At least up through Solaris 2.6,
|
|
the system linker does not work with DWARF or DWARF2,
|
|
since it does not have working support for relocations
|
|
to unaligned data. */
|
|
|
|
#define LINKER_DOES_NOT_WORK_WITH_DWARF2
|
|
|
|
/* A 64 bit v9 compiler with stack-bias */
|
|
|
|
#if TARGET_CPU_DEFAULT == TARGET_CPU_v9 || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc
|
|
#undef TARGET_DEFAULT
|
|
#define TARGET_DEFAULT \
|
|
(MASK_V9 + MASK_PTR64 + MASK_64BIT /* + MASK_HARD_QUAD */ + \
|
|
MASK_STACK_BIAS + MASK_APP_REGS + MASK_EPILOGUE + MASK_FPU)
|
|
#endif
|
|
|
|
/* The default code model. */
|
|
#undef SPARC_DEFAULT_CMODEL
|
|
#define SPARC_DEFAULT_CMODEL CM_MEDANY
|
|
|
|
#undef LONG_DOUBLE_TYPE_SIZE
|
|
#define LONG_DOUBLE_TYPE_SIZE 128
|
|
|
|
#undef ASM_CPU32_DEFAULT_SPEC
|
|
#define ASM_CPU32_DEFAULT_SPEC ""
|
|
#undef ASM_CPU64_DEFAULT_SPEC
|
|
#define ASM_CPU64_DEFAULT_SPEC "-xarch=v9"
|
|
|
|
#if TARGET_CPU_DEFAULT == TARGET_CPU_v9
|
|
#undef CPP_CPU64_DEFAULT_SPEC
|
|
#define CPP_CPU64_DEFAULT_SPEC ""
|
|
#undef ASM_CPU32_DEFAULT_SPEC
|
|
#define ASM_CPU32_DEFAULT_SPEC "-xarch=v8plus"
|
|
#endif
|
|
#if TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc
|
|
#undef CPP_CPU64_DEFAULT_SPEC
|
|
#define CPP_CPU64_DEFAULT_SPEC ""
|
|
#undef ASM_CPU32_DEFAULT_SPEC
|
|
#define ASM_CPU32_DEFAULT_SPEC "-xarch=v8plusa"
|
|
#undef ASM_CPU64_DEFAULT_SPEC
|
|
#define ASM_CPU64_DEFAULT_SPEC "-xarch=v9a"
|
|
#endif
|
|
|
|
/* The sun bundled assembler doesn't accept -Yd, (and neither does gas).
|
|
It's safe to pass -s always, even if -g is not used. */
|
|
#undef ASM_SPEC
|
|
#define ASM_SPEC "\
|
|
%{v:-V} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Wa,*:%*} -s \
|
|
%{fpic:-K PIC} %{fPIC:-K PIC} \
|
|
%(asm_cpu)\
|
|
"
|
|
|
|
#if DEFAULT_ARCH32_P
|
|
#define DEF_ARCH32_SPEC(__str) "%{!m64:" __str "}"
|
|
#define DEF_ARCH64_SPEC(__str) "%{m64:" __str "}"
|
|
#else
|
|
#define DEF_ARCH32_SPEC(__str) "%{m32:" __str "}"
|
|
#define DEF_ARCH64_SPEC(__str) "%{!m32:" __str "}"
|
|
#endif
|
|
|
|
#undef CPP_CPU_SPEC
|
|
#define CPP_CPU_SPEC "\
|
|
%{mcypress:} \
|
|
%{msparclite:-D__sparclite__} \
|
|
%{mf930:-D__sparclite__} %{mf934:-D__sparclite__} \
|
|
%{mv8:" DEF_ARCH32_SPEC("-D__sparcv8") "} \
|
|
%{msupersparc:-D__supersparc__ " DEF_ARCH32_SPEC("-D__sparcv8") "} \
|
|
%{mcpu=sparclet:-D__sparclet__} %{mcpu=tsc701:-D__sparclet__} \
|
|
%{mcpu=sparclite:-D__sparclite__} \
|
|
%{mcpu=f930:-D__sparclite__} %{mcpu=f934:-D__sparclite__} \
|
|
%{mcpu=v8:" DEF_ARCH32_SPEC("-D__sparcv8") "} \
|
|
%{mcpu=supersparc:-D__supersparc__ " DEF_ARCH32_SPEC("-D__sparcv8") "} \
|
|
%{mcpu=v9:" DEF_ARCH32_SPEC("-D__sparcv8") "} \
|
|
%{mcpu=ultrasparc:" DEF_ARCH32_SPEC("-D__sparcv8") "} \
|
|
%{!mcpu*:%{!mcypress:%{!msparclite:%{!mf930:%{!mf934:%{!mv8:%{!msupersparc:%(cpp_cpu_default)}}}}}}} \
|
|
"
|
|
|
|
#undef ASM_CPU_SPEC
|
|
#define ASM_CPU_SPEC "\
|
|
%{mcpu=ultrasparc:" DEF_ARCH32_SPEC("-xarch=v8plusa") DEF_ARCH64_SPEC("-xarch=v9a") "} \
|
|
%{mcpu=v9:" DEF_ARCH32_SPEC("-xarch=v8plus") DEF_ARCH64_SPEC("-xarch=v9") "} \
|
|
%{!mcpu=ultrasparc:%{!mcpu=v9:%{mcpu*:" DEF_ARCH32_SPEC("-xarch=v8") DEF_ARCH64_SPEC("-xarch=v9") "}}} \
|
|
%{!mcpu*:%(asm_cpu_default)} \
|
|
"
|
|
|
|
#define STARTFILE_SPEC32 "\
|
|
%{ansi:values-Xc.o%s} \
|
|
%{!ansi: \
|
|
%{traditional:values-Xt.o%s} \
|
|
%{!traditional:values-Xa.o%s}}"
|
|
|
|
#define STARTFILE_SPEC64 "\
|
|
%{ansi:/usr/lib/sparcv9/values-Xc.o%s} \
|
|
%{!ansi: \
|
|
%{traditional:/usr/lib/sparcv9/values-Xt.o%s} \
|
|
%{!traditional:/usr/lib/sparcv9/values-Xa.o%s}}"
|
|
|
|
#ifdef SPARC_BI_ARCH
|
|
|
|
#if DEFAULT_ARCH32_P
|
|
#define STARTFILE_ARCH_SPEC "\
|
|
%{m32:" STARTFILE_SPEC32 "} \
|
|
%{m64:" STARTFILE_SPEC64 "} \
|
|
%{!m32:%{!m64:" STARTFILE_SPEC32 "}}"
|
|
#else
|
|
#define STARTFILE_ARCH_SPEC "\
|
|
%{m32:" STARTFILE_SPEC32 "} \
|
|
%{m64:" STARTFILE_SPEC64 "} \
|
|
%{!m32:%{!m64:" STARTFILE_SPEC64 "}}"
|
|
#endif
|
|
|
|
#else /* !SPARC_BI_ARCH */
|
|
|
|
/* In this case we define MD_STARTFILE_PREFIX to /usr/lib/sparcv9/ */
|
|
#define STARTFILE_ARCH_SPEC STARTFILE_SPEC32
|
|
|
|
#endif /* !SPARC_BI_ARCH */
|
|
|
|
#undef STARTFILE_SPEC
|
|
#define STARTFILE_SPEC "%{!shared: \
|
|
%{!symbolic: \
|
|
%{p:mcrt1.o%s} \
|
|
%{!p: \
|
|
%{pg:gcrt1.o%s gmon.o%s} \
|
|
%{!pg:crt1.o%s}}}} \
|
|
crti.o%s" STARTFILE_ARCH_SPEC " \
|
|
crtbegin.o%s"
|
|
|
|
#ifdef SPARC_BI_ARCH
|
|
|
|
#undef CPP_CPU_DEFAULT_SPEC
|
|
#define CPP_CPU_DEFAULT_SPEC \
|
|
(DEFAULT_ARCH32_P ? "\
|
|
%{m64:" CPP_CPU64_DEFAULT_SPEC "} \
|
|
%{!m64:" CPP_CPU32_DEFAULT_SPEC "} \
|
|
" : "\
|
|
%{m32:" CPP_CPU32_DEFAULT_SPEC "} \
|
|
%{!m32:" CPP_CPU64_DEFAULT_SPEC "} \
|
|
")
|
|
|
|
#undef ASM_CPU_DEFAULT_SPEC
|
|
#define ASM_CPU_DEFAULT_SPEC \
|
|
(DEFAULT_ARCH32_P ? "\
|
|
%{m64:" ASM_CPU64_DEFAULT_SPEC "} \
|
|
%{!m64:" ASM_CPU32_DEFAULT_SPEC "} \
|
|
" : "\
|
|
%{m32:" ASM_CPU32_DEFAULT_SPEC "} \
|
|
%{!m32:" ASM_CPU64_DEFAULT_SPEC "} \
|
|
")
|
|
|
|
#undef CPP_ARCH32_SPEC
|
|
#define CPP_ARCH32_SPEC "-D__SIZE_TYPE__=unsigned\\ int -D__PTRDIFF_TYPE__=int \
|
|
-D__GCC_NEW_VARARGS__ -Acpu(sparc) -Amachine(sparc)"
|
|
#undef CPP_ARCH64_SPEC
|
|
#define CPP_ARCH64_SPEC "-D__SIZE_TYPE__=long\\ unsigned\\ int -D__PTRDIFF_TYPE__=long\\ int \
|
|
-D__arch64__ -Acpu(sparc64) -Amachine(sparcv9) -D__sparcv9"
|
|
|
|
#undef CPP_ARCH_SPEC
|
|
#define CPP_ARCH_SPEC "\
|
|
%{m32:%(cpp_arch32)} \
|
|
%{m64:%(cpp_arch64)} \
|
|
%{!m32:%{!m64:%(cpp_arch_default)}} \
|
|
"
|
|
|
|
#undef ASM_ARCH_SPEC
|
|
#define ASM_ARCH_SPEC ""
|
|
|
|
#undef ASM_ARCH32_SPEC
|
|
#define ASM_ARCH32_SPEC ""
|
|
|
|
#undef ASM_ARCH64_SPEC
|
|
#define ASM_ARCH64_SPEC ""
|
|
|
|
#undef ASM_ARCH_DEFAULT_SPEC
|
|
#define ASM_ARCH_DEFAULT_SPEC ""
|
|
|
|
#undef SUBTARGET_EXTRA_SPECS
|
|
#define SUBTARGET_EXTRA_SPECS \
|
|
{ "link_arch32", LINK_ARCH32_SPEC }, \
|
|
{ "link_arch64", LINK_ARCH64_SPEC }, \
|
|
{ "link_arch_default", LINK_ARCH_DEFAULT_SPEC }, \
|
|
{ "link_arch", LINK_ARCH_SPEC },
|
|
|
|
/* This should be the same as in svr4.h, except with -R added. */
|
|
#define LINK_ARCH32_SPEC \
|
|
"%{G:-G} \
|
|
%{YP,*} \
|
|
%{R*} \
|
|
%{compat-bsd: \
|
|
%{!YP,*:%{p:-Y P,/usr/ucblib:/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \
|
|
%{pg:-Y P,/usr/ucblib:/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \
|
|
%{!p:%{!pg:-Y P,/usr/ucblib:/usr/ccs/lib:/usr/lib}}} \
|
|
-R /usr/ucblib} \
|
|
%{!compat-bsd: \
|
|
%{!YP,*:%{p:-Y P,/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \
|
|
%{pg:-Y P,/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \
|
|
%{!p:%{!pg:-Y P,/usr/ccs/lib:/usr/lib}}}}"
|
|
|
|
#define LINK_ARCH64_SPEC \
|
|
"%{mcmodel=medlow:-M /usr/lib/ld/sparcv9/map.below4G} \
|
|
%{G:-G} \
|
|
%{YP,*} \
|
|
%{R*} \
|
|
%{compat-bsd: \
|
|
%{!YP,*:%{p:-Y P,/usr/ucblib/sparcv9:/usr/lib/libp/sparcv9:/usr/lib/sparcv9} \
|
|
%{pg:-Y P,/usr/ucblib/sparcv9:/usr/lib/libp/sparcv9:/usr/lib/sparcv9} \
|
|
%{!p:%{!pg:-Y P,/usr/ucblib/sparcv9:/usr/lib/sparcv9}}} \
|
|
-R /usr/ucblib} \
|
|
%{!compat-bsd: \
|
|
%{!YP,*:%{p:-Y P,/usr/lib/libp/sparcv9:/usr/lib/sparcv9} \
|
|
%{pg:-Y P,/usr/lib/libp/sparcv9:/usr/lib/sparcv9} \
|
|
%{!p:%{!pg:-Y P,/usr/lib/sparcv9}}}}"
|
|
|
|
#define LINK_ARCH_SPEC "\
|
|
%{m32:%(link_arch32)} \
|
|
%{m64:%(link_arch64)} \
|
|
%{!m32:%{!m64:%(link_arch_default)}} \
|
|
"
|
|
|
|
#define LINK_ARCH_DEFAULT_SPEC \
|
|
(DEFAULT_ARCH32_P ? LINK_ARCH32_SPEC : LINK_ARCH64_SPEC)
|
|
|
|
#undef LINK_SPEC
|
|
#define LINK_SPEC \
|
|
"%{h*} %{v:-V} \
|
|
%{b} %{Wl,*:%*} \
|
|
%{static:-dn -Bstatic} \
|
|
%{shared:-G -dy %{!mimpure-text:-z text}} \
|
|
%{symbolic:-Bsymbolic -G -dy -z text} \
|
|
%(link_arch) \
|
|
%{Qy:} %{!Qn:-Qy}"
|
|
|
|
#undef CC1_SPEC
|
|
#if DEFAULT_ARCH32_P
|
|
#define CC1_SPEC "\
|
|
%{sun4:} %{target:} \
|
|
%{mcypress:-mcpu=cypress} \
|
|
%{msparclite:-mcpu=sparclite} %{mf930:-mcpu=f930} %{mf934:-mcpu=f934} \
|
|
%{mv8:-mcpu=v8} %{msupersparc:-mcpu=supersparc} \
|
|
%{m64:-mptr64 -mcpu=v9 -mstack-bias -mno-v8plus} \
|
|
"
|
|
#else
|
|
#define CC1_SPEC "\
|
|
%{sun4:} %{target:} \
|
|
%{mcypress:-mcpu=cypress} \
|
|
%{msparclite:-mcpu=sparclite} %{mf930:-mcpu=f930} %{mf934:-mcpu=f934} \
|
|
%{mv8:-mcpu=v8} %{msupersparc:-mcpu=supersparc} \
|
|
%{m32:-mptr32 -mcpu=cypress -mno-stack-bias} \
|
|
%{mv8plus:-m32 -mptr32 -mcpu=cypress -mno-stack-bias} \
|
|
"
|
|
#endif
|
|
|
|
#if DEFAULT_ARCH32_P
|
|
#define MULTILIB_DEFAULTS { "m32" }
|
|
#else
|
|
#define MULTILIB_DEFAULTS { "m64" }
|
|
#endif
|
|
|
|
#else /* !SPARC_BI_ARCH */
|
|
|
|
/*
|
|
* This should be the same as in sol2-sld.h, except with "/sparcv9"
|
|
* appended to the paths and /usr/ccs/lib is no longer necessary
|
|
*/
|
|
#undef LINK_SPEC
|
|
#define LINK_SPEC \
|
|
"%{h*} %{v:-V} \
|
|
%{b} %{Wl,*:%*} \
|
|
%{static:-dn -Bstatic} \
|
|
%{shared:-G -dy %{!mimpure-text:-z text}} \
|
|
%{symbolic:-Bsymbolic -G -dy -z text} \
|
|
%{mcmodel=medlow:-M /usr/lib/ld/sparcv9/map.below4G} \
|
|
%{G:-G} \
|
|
%{YP,*} \
|
|
%{R*} \
|
|
%{compat-bsd: \
|
|
%{!YP,*:%{p:-Y P,/usr/ucblib/sparcv9:/usr/lib/libp/sparcv9:/usr/lib/sparcv9} \
|
|
%{pg:-Y P,/usr/ucblib/sparcv9:/usr/lib/libp/sparcv9:/usr/lib/sparcv9} \
|
|
%{!p:%{!pg:-Y P,/usr/ucblib/sparcv9:/usr/lib/sparcv9}}} \
|
|
-R /usr/ucblib} \
|
|
%{!compat-bsd: \
|
|
%{!YP,*:%{p:-Y P,/usr/lib/libp/sparcv9:/usr/lib/sparcv9} \
|
|
%{pg:-Y P,/usr/lib/libp/sparcv9:/usr/lib/sparcv9} \
|
|
%{!p:%{!pg:-Y P,/usr/lib/sparcv9}}}} \
|
|
%{Qy:} %{!Qn:-Qy}"
|
|
|
|
#undef MD_STARTFILE_PREFIX
|
|
#define MD_STARTFILE_PREFIX "/usr/lib/sparcv9/"
|
|
|
|
#endif /* ! SPARC_BI_ARCH */
|
|
|
|
/*
|
|
* Attempt to turn on access permissions for the stack.
|
|
*
|
|
* This code must be defined when compiling gcc but not when compiling
|
|
* libgcc2.a, unless we're generating code for 64 bits SPARC
|
|
*
|
|
* _SC_STACK_PROT is only defined for post 2.6, but we want this code
|
|
* to run always. 2.6 can change the stack protection but has no way to
|
|
* query it.
|
|
*
|
|
*/
|
|
|
|
#define TRANSFER_FROM_TRAMPOLINE \
|
|
static int need_enable_exec_stack; \
|
|
\
|
|
static void check_enabling(void) __attribute__ ((constructor)); \
|
|
static void check_enabling(void) \
|
|
{ \
|
|
extern long sysconf(int); \
|
|
\
|
|
int prot = (int) sysconf(515 /*_SC_STACK_PROT */); \
|
|
if (prot != 7) \
|
|
need_enable_exec_stack = 1; \
|
|
} \
|
|
\
|
|
void \
|
|
__enable_execute_stack (addr) \
|
|
void *addr; \
|
|
{ \
|
|
if (!need_enable_exec_stack) \
|
|
return; \
|
|
else { \
|
|
long size = getpagesize (); \
|
|
long mask = ~(size-1); \
|
|
char *page = (char *) (((long) addr) & mask); \
|
|
char *end = (char *) ((((long) (addr + TRAMPOLINE_SIZE)) & mask) + size); \
|
|
\
|
|
/* 7 is PROT_READ | PROT_WRITE | PROT_EXEC */ \
|
|
if (mprotect (page, end - page, 7) < 0) \
|
|
perror ("mprotect of trampoline code"); \
|
|
} \
|
|
}
|
|
|
|
/* A C statement (sans semicolon) to output an element in the table of
|
|
global constructors. */
|
|
#undef ASM_OUTPUT_CONSTRUCTOR
|
|
#define ASM_OUTPUT_CONSTRUCTOR(FILE,NAME) \
|
|
do { \
|
|
ctors_section (); \
|
|
fprintf (FILE, "\t%s\t ", TARGET_ARCH64 ? ASM_LONGLONG : INT_ASM_OP); \
|
|
assemble_name (FILE, NAME); \
|
|
fprintf (FILE, "\n"); \
|
|
} while (0)
|
|
|
|
/* A C statement (sans semicolon) to output an element in the table of
|
|
global destructors. */
|
|
#undef ASM_OUTPUT_DESTRUCTOR
|
|
#define ASM_OUTPUT_DESTRUCTOR(FILE,NAME) \
|
|
do { \
|
|
dtors_section (); \
|
|
fprintf (FILE, "\t%s\t ", TARGET_ARCH64 ? ASM_LONGLONG : INT_ASM_OP); \
|
|
assemble_name (FILE, NAME); \
|
|
fprintf (FILE, "\n"); \
|
|
} while (0)
|
|
|