fix for gcc 4.1.x

[ghc-hetmet.git] / ghc / rts / StgCRun.c

diff --git a/ghc/rts/StgCRun.c b/ghc/rts/StgCRun.c
index 89fde5c..29d4efe 100644 (file)
--- a/ghc/rts/StgCRun.c
+++ b/ghc/rts/StgCRun.c
@@ -82,7 +82,7 @@ register double fake_f9 __asm__("$f9");
    any architecture (using miniinterpreter)
    -------------------------------------------------------------------------- */
 
-StgThreadReturnCode StgRun(StgFunPtr f, StgRegTable *basereg STG_UNUSED)
+StgRegTable * StgRun(StgFunPtr f, StgRegTable *basereg STG_UNUSED)
 {
     while (f) {
        IF_DEBUG(interpreter,
@@ -92,7 +92,7 @@ StgThreadReturnCode StgRun(StgFunPtr f, StgRegTable *basereg STG_UNUSED)
            );
        f = (StgFunPtr) (f)();
     }
-    return (StgThreadReturnCode)R1.i;
+    return (StgRegTable *)R1.p;
 }
 
 StgFunPtr StgReturn(void)
@@ -120,11 +120,11 @@ StgFunPtr StgReturn(void)
 #define STG_GLOBAL ".global "
 #endif
 
-StgThreadReturnCode
+StgRegTable *
 StgRun(StgFunPtr f, StgRegTable *basereg) {
 
     unsigned char space[ RESERVED_C_STACK_BYTES + 4*sizeof(void *) ];
-    StgThreadReturnCode r;
+    StgRegTable * r;
 
     __asm__ volatile (
        /*
@@ -201,9 +201,10 @@ StgRun(StgFunPtr f, StgRegTable *basereg) {
 
 #ifdef x86_64_HOST_ARCH
 
-extern StgThreadReturnCode StgRun(StgFunPtr f, StgRegTable *basereg);
+extern StgRegTable * StgRun(StgFunPtr f, StgRegTable *basereg);
 
-static void StgRunIsImplementedInAssembler(void)
+static void GNUC3_ATTRIBUTE(used)
+StgRunIsImplementedInAssembler(void)
 {
     __asm__ volatile (
        /*
@@ -223,7 +224,7 @@ static void StgRunIsImplementedInAssembler(void)
        /*
         * Set BaseReg
         */
-       "movq %%rsi,%%rbx\n\t"
+       "movq %%rsi,%%r13\n\t"
        /*
         * grab the function argument from the stack, and jump to it.
         */
@@ -233,7 +234,7 @@ static void StgRunIsImplementedInAssembler(void)
        ".global " STG_RETURN "\n"
                STG_RETURN ":\n\t"
 
-       "movq %%r13, %%rax\n\t"   /* Return value in R1  */
+       "movq %%rbx, %%rax\n\t"   /* Return value in R1  */
 
        /*
         * restore callee-saves registers.  (Don't stomp on %%rax!)
@@ -321,7 +322,7 @@ static void StgRunIsImplementedInAssembler(void)
 
 #ifdef sparc_HOST_ARCH
 
-StgThreadReturnCode
+StgRegTable *
 StgRun(StgFunPtr f, StgRegTable *basereg) {
 
     unsigned char space[RESERVED_C_STACK_BYTES];
@@ -354,7 +355,7 @@ StgRun(StgFunPtr f, StgRegTable *basereg) {
     __asm__ volatile ("ld %1,%0"
                      : "=r" (i7) : "m" (((void **)(space))[100]));
 #endif
-    return (StgThreadReturnCode)R1.i;
+    return (StgRegTable *)R1.i;
 }
 
 #endif
@@ -389,7 +390,7 @@ StgRun(StgFunPtr f, StgRegTable *basereg) {
 
 #ifdef alpha_HOST_ARCH
 
-StgThreadReturnCode
+StgRegTable *
 StgRun(StgFunPtr f, StgRegTable *basereg)
 {
     register long   real_ra __asm__("$26"); volatile long   save_ra;
@@ -418,7 +419,7 @@ StgRun(StgFunPtr f, StgRegTable *basereg)
 
     register StgFunPtr real_pv __asm__("$27");
 
-    StgThreadReturnCode ret;
+    StgRegTable * ret;
 
     save_ra = real_ra;
     save_gp = real_gp;
@@ -491,11 +492,11 @@ StgRun(StgFunPtr f, StgRegTable *basereg)
 
 #ifdef hppa1_1_HOST_ARCH
 
-StgThreadReturnCode
+StgRegTable *
 StgRun(StgFunPtr f, StgRegTable *basereg)
 {
     StgChar space[RESERVED_C_STACK_BYTES+16*sizeof(long)+10*sizeof(double)];
-    StgThreadReturnCode ret;
+    StgRegTable * ret;
 
     __asm__ volatile ("ldo %0(%%r30),%%r19\n"
                      "\tstw %%r3, 0(0,%%r19)\n"
@@ -587,10 +588,11 @@ StgRun(StgFunPtr f, StgRegTable *basereg)
 
 #ifdef powerpc_HOST_ARCH
 
-extern StgThreadReturnCode StgRun(StgFunPtr f, StgRegTable *basereg);
+extern StgRegTable * StgRun(StgFunPtr f, StgRegTable *basereg);
 
 #ifdef darwin_HOST_OS
-static void StgRunIsImplementedInAssembler(void)
+static void GNUC3_ATTRIBUTE(used)
+StgRunIsImplementedInAssembler(void)
 {
 #if HAVE_SUBSECTIONS_VIA_SYMBOLS
             // if the toolchain supports deadstripping, we have to
@@ -628,7 +630,8 @@ static void StgRunIsImplementedInAssembler(void)
 // *) The Link Register is saved to a different offset in the caller's stack frame
 //    (Linux: 4(r1), Darwin 8(r1))
 
-static void StgRunIsImplementedInAssembler(void)
+static void GNUC3_ATTRIBUTE(used)
+StgRunIsImplementedInAssembler(void)
 {
        __asm__ volatile (
                "\t.globl StgRun\n"
@@ -705,9 +708,10 @@ static void StgRunIsImplementedInAssembler(void)
 #ifdef powerpc64_HOST_ARCH
 
 #ifdef linux_HOST_OS
-extern StgThreadReturnCode StgRun(StgFunPtr f, StgRegTable *basereg);
+extern StgRegTable * StgRun(StgFunPtr f, StgRegTable *basereg);
 
-static void StgRunIsImplementedInAssembler(void)
+static void GNUC3_ATTRIBUTE(used)
+StgRunIsImplementedInAssembler(void)
 {
         // r0 volatile
        // r1 stack pointer
@@ -857,7 +861,8 @@ static void StgRunIsImplementedInAssembler(void)
 #define LOCALS 31
 #endif
 
-static void StgRunIsImplementedInAssembler(void)
+static void GNUC3_ATTRIBUTE(used)
+StgRunIsImplementedInAssembler(void)
 {
     __asm__ volatile(
                ".global StgRun\n"