diff options
Diffstat (limited to 'www/firefox/files/patch-xptcall-amd64')
| -rw-r--r-- | www/firefox/files/patch-xptcall-amd64 | 386 |
1 files changed, 386 insertions, 0 deletions
diff --git a/www/firefox/files/patch-xptcall-amd64 b/www/firefox/files/patch-xptcall-amd64 new file mode 100644 index 00000000000..3227cad0218 --- /dev/null +++ b/www/firefox/files/patch-xptcall-amd64 @@ -0,0 +1,386 @@ +--- /dev/null Wed Dec 31 16:00:00 1969 ++++ xpcom/reflect/xptcall/src/md/unix/xptcinvoke_amd64_freebsd.cpp Thu Oct 16 22:59:43 2003 +@@ -0,0 +1,174 @@ ++/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ ++// Platform specific code to invoke XPCOM methods on native objects ++ ++#include "xptcprivate.h" ++ ++// 6 integral parameters are passed in registers ++const PRUint32 GPR_COUNT = 6; ++ ++// 8 floating point parameters are passed in SSE registers ++const PRUint32 FPR_COUNT = 8; ++ ++// Remember that these 'words' are 64-bit long ++static inline void ++invoke_count_words(PRUint32 paramCount, nsXPTCVariant * s, ++ PRUint32 & nr_gpr, PRUint32 & nr_fpr, PRUint32 & nr_stack) ++{ ++ nr_gpr = 1; // skip one GP register for 'that' ++ nr_fpr = 0; ++ nr_stack = 0; ++ ++ /* Compute number of eightbytes of class MEMORY. */ ++ for (uint32 i = 0; i < paramCount; i++, s++) { ++ if (!s->IsPtrData() ++ && (s->type == nsXPTType::T_FLOAT || s->type == nsXPTType::T_DOUBLE)) { ++ if (nr_fpr < FPR_COUNT) ++ nr_fpr++; ++ else ++ nr_stack++; ++ } ++ else { ++ if (nr_gpr < GPR_COUNT) ++ nr_gpr++; ++ else ++ nr_stack++; ++ } ++ } ++} ++ ++static void ++invoke_copy_to_stack(PRUint64 * d, PRUint32 paramCount, nsXPTCVariant * s, ++ PRUint64 * gpregs, double * fpregs) ++{ ++ PRUint32 nr_gpr = 1; // skip one GP register for 'that' ++ PRUint32 nr_fpr = 0; ++ PRUint64 value; ++ ++ for (uint32 i = 0; i < paramCount; i++, s++) { ++ if (s->IsPtrData()) ++ value = (PRUint64) s->ptr; ++ else { ++ switch (s->type) { ++ case nsXPTType::T_FLOAT: break; ++ case nsXPTType::T_DOUBLE: break; ++ case nsXPTType::T_I8: value = s->val.i8; break; ++ case nsXPTType::T_I16: value = s->val.i16; break; ++ case nsXPTType::T_I32: value = s->val.i32; break; ++ case nsXPTType::T_I64: value = s->val.i64; break; ++ case nsXPTType::T_U8: value = s->val.u8; break; ++ case nsXPTType::T_U16: value = s->val.u16; break; ++ case nsXPTType::T_U32: value = s->val.u32; break; ++ case nsXPTType::T_U64: value = s->val.u64; break; ++ case nsXPTType::T_BOOL: value = s->val.b; break; ++ case nsXPTType::T_CHAR: value = s->val.c; break; ++ case nsXPTType::T_WCHAR: value = s->val.wc; break; ++ default: value = (PRUint64) s->val.p; break; ++ } ++ } ++ ++ if (!s->IsPtrData() && s->type == nsXPTType::T_DOUBLE) { ++ if (nr_fpr < FPR_COUNT) ++ fpregs[nr_fpr++] = s->val.d; ++ else { ++ *((double *)d) = s->val.d; ++ d++; ++ } ++ } ++ else if (!s->IsPtrData() && s->type == nsXPTType::T_FLOAT) { ++ if (nr_fpr < FPR_COUNT) ++ // The value in %xmm register is already prepared to ++ // be retrieved as a float. Therefore, we pass the ++ // value verbatim, as a double without conversion. ++ fpregs[nr_fpr++] = s->val.d; ++ else { ++ *((float *)d) = s->val.f; ++ d++; ++ } ++ } ++ else { ++ if (nr_gpr < GPR_COUNT) ++ gpregs[nr_gpr++] = value; ++ else ++ *d++ = value; ++ } ++ } ++} ++ ++extern "C" ++XPTC_PUBLIC_API(nsresult) ++XPTC_InvokeByIndex(nsISupports * that, PRUint32 methodIndex, ++ PRUint32 paramCount, nsXPTCVariant * params) ++{ ++ PRUint32 nr_gpr, nr_fpr, nr_stack; ++ invoke_count_words(paramCount, params, nr_gpr, nr_fpr, nr_stack); ++ ++ // Stack, if used, must be 16-bytes aligned ++ if (nr_stack) ++ nr_stack = (nr_stack + 1) & ~1; ++ ++ // Load parameters to stack, if necessary ++ PRUint64 *stack = (PRUint64 *) __builtin_alloca(nr_stack * 8); ++ PRUint64 gpregs[GPR_COUNT]; ++ double fpregs[FPR_COUNT]; ++ invoke_copy_to_stack(stack, paramCount, params, gpregs, fpregs); ++ ++ // Load FPR registers from fpregs[] ++ register double d0 asm("xmm0"); ++ register double d1 asm("xmm1"); ++ register double d2 asm("xmm2"); ++ register double d3 asm("xmm3"); ++ register double d4 asm("xmm4"); ++ register double d5 asm("xmm5"); ++ register double d6 asm("xmm6"); ++ register double d7 asm("xmm7"); ++ ++ switch (nr_fpr) { ++#define ARG_FPR(N) \ ++ case N+1: d##N = fpregs[N]; ++ ARG_FPR(7); ++ ARG_FPR(6); ++ ARG_FPR(5); ++ ARG_FPR(4); ++ ARG_FPR(3); ++ ARG_FPR(2); ++ ARG_FPR(1); ++ ARG_FPR(0); ++ case 0:; ++#undef ARG_FPR ++ } ++ ++ // Load GPR registers from gpregs[] ++ register PRUint64 a0 asm("rdi"); ++ register PRUint64 a1 asm("rsi"); ++ register PRUint64 a2 asm("rdx"); ++ register PRUint64 a3 asm("rcx"); ++ register PRUint64 a4 asm("r8"); ++ register PRUint64 a5 asm("r9"); ++ ++ switch (nr_gpr) { ++#define ARG_GPR(N) \ ++ case N+1: a##N = gpregs[N]; ++ ARG_GPR(5); ++ ARG_GPR(4); ++ ARG_GPR(3); ++ ARG_GPR(2); ++ ARG_GPR(1); ++ case 1: a0 = (PRUint64) that; ++ case 0:; ++#undef ARG_GPR ++ } ++ ++ // Ensure that assignments to SSE registers won't be optimized away ++ asm("" :: ++ "x" (d0), "x" (d1), "x" (d2), "x" (d3), ++ "x" (d4), "x" (d5), "x" (d6), "x" (d7)); ++ ++ // Get pointer to method ++ PRUint64 methodAddress = *((PRUint64 *)that); ++ methodAddress += 8 * methodIndex; ++ methodAddress = *((PRUint64 *)methodAddress); ++ ++ typedef PRUint32 (*Method)(PRUint64, PRUint64, PRUint64, PRUint64, PRUint64, PRUint64); ++ PRUint32 result = ((Method)methodAddress)(a0, a1, a2, a3, a4, a5); ++ return result; ++} +--- /dev/null Wed Dec 31 16:00:00 1969 ++++ xpcom/reflect/xptcall/src/md/unix/xptcstubs_amd64_freebsd.cpp Thu Oct 16 23:01:08 2003 +@@ -0,0 +1,206 @@ ++/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ ++ ++// Implement shared vtbl methods. ++ ++#include "xptcprivate.h" ++ ++// The Linux/x86-64 ABI passes the first 6 integral parameters and the ++// first 8 floating point parameters in registers (rdi, rsi, rdx, rcx, ++// r8, r9 and xmm0-xmm7), no stack space is allocated for these by the ++// caller. The rest of the parameters are passed in the callers stack ++// area. ++ ++const PRUint32 PARAM_BUFFER_COUNT = 16; ++const PRUint32 GPR_COUNT = 6; ++const PRUint32 FPR_COUNT = 8; ++ ++// PrepareAndDispatch() is called by SharedStub() and calls the actual method. ++// ++// - 'args[]' contains the arguments passed on stack ++// - 'gpregs[]' contains the arguments passed in integer registers ++// - 'fpregs[]' contains the arguments passed in floating point registers ++// ++// The parameters are mapped into an array of type 'nsXPTCMiniVariant' ++// and then the method gets called. ++ ++extern "C" nsresult ++PrepareAndDispatch(nsXPTCStubBase * self, PRUint32 methodIndex, ++ PRUint64 * args, PRUint64 * gpregs, double *fpregs) ++{ ++ nsXPTCMiniVariant paramBuffer[PARAM_BUFFER_COUNT]; ++ nsXPTCMiniVariant* dispatchParams = NULL; ++ nsIInterfaceInfo* iface_info = NULL; ++ const nsXPTMethodInfo* info; ++ PRUint32 paramCount; ++ PRUint32 i; ++ nsresult result = NS_ERROR_FAILURE; ++ ++ NS_ASSERTION(self,"no self"); ++ ++ self->GetInterfaceInfo(&iface_info); ++ NS_ASSERTION(iface_info,"no interface info"); ++ if (! iface_info) ++ return NS_ERROR_UNEXPECTED; ++ ++ iface_info->GetMethodInfo(PRUint16(methodIndex), &info); ++ NS_ASSERTION(info,"no method info"); ++ if (! info) ++ return NS_ERROR_UNEXPECTED; ++ ++ paramCount = info->GetParamCount(); ++ ++ // setup variant array pointer ++ if(paramCount > PARAM_BUFFER_COUNT) ++ dispatchParams = new nsXPTCMiniVariant[paramCount]; ++ else ++ dispatchParams = paramBuffer; ++ ++ NS_ASSERTION(dispatchParams,"no place for params"); ++ if (! dispatchParams) ++ return NS_ERROR_OUT_OF_MEMORY; ++ ++ PRUint64* ap = args; ++ PRUint32 nr_gpr = 1; // skip one GPR register for 'that' ++ PRUint32 nr_fpr = 0; ++ PRUint64 value; ++ ++ for(i = 0; i < paramCount; i++) { ++ const nsXPTParamInfo& param = info->GetParam(i); ++ const nsXPTType& type = param.GetType(); ++ nsXPTCMiniVariant* dp = &dispatchParams[i]; ++ ++ if (!param.IsOut() && type == nsXPTType::T_DOUBLE) { ++ if (nr_fpr < FPR_COUNT) ++ dp->val.d = fpregs[nr_fpr++]; ++ else ++ dp->val.d = *(double*) ap++; ++ continue; ++ } ++ else if (!param.IsOut() && type == nsXPTType::T_FLOAT) { ++ if (nr_fpr < FPR_COUNT) ++ // The value in %xmm register is already prepared to ++ // be retrieved as a float. Therefore, we pass the ++ // value verbatim, as a double without conversion. ++ dp->val.d = *(double*) ap++; ++ else ++ dp->val.f = *(float*) ap++; ++ continue; ++ } ++ else { ++ if (nr_gpr < GPR_COUNT) ++ value = gpregs[nr_gpr++]; ++ else ++ value = *ap++; ++ } ++ ++ if (param.IsOut() || !type.IsArithmetic()) { ++ dp->val.p = (void*) value; ++ continue; ++ } ++ ++ switch (type) { ++ case nsXPTType::T_I8: dp->val.i8 = (PRInt8) value; break; ++ case nsXPTType::T_I16: dp->val.i16 = (PRInt16) value; break; ++ case nsXPTType::T_I32: dp->val.i32 = (PRInt32) value; break; ++ case nsXPTType::T_I64: dp->val.i64 = (PRInt64) value; break; ++ case nsXPTType::T_U8: dp->val.u8 = (PRUint8) value; break; ++ case nsXPTType::T_U16: dp->val.u16 = (PRUint16) value; break; ++ case nsXPTType::T_U32: dp->val.u32 = (PRUint32) value; break; ++ case nsXPTType::T_U64: dp->val.u64 = (PRUint64) value; break; ++ case nsXPTType::T_BOOL: dp->val.b = (PRBool) value; break; ++ case nsXPTType::T_CHAR: dp->val.c = (char) value; break; ++ case nsXPTType::T_WCHAR: dp->val.wc = (wchar_t) value; break; ++ ++ default: ++ NS_ASSERTION(0, "bad type"); ++ break; ++ } ++ } ++ ++ result = self->CallMethod((PRUint16) methodIndex, info, dispatchParams); ++ ++ NS_RELEASE(iface_info); ++ ++ if (dispatchParams != paramBuffer) ++ delete [] dispatchParams; ++ ++ return result; ++} ++ ++#if defined(__GXX_ABI_VERSION) && __GXX_ABI_VERSION >= 100 /* G++ V3 ABI */ ++// Linux/x86-64 uses gcc >= 3.1 ++#define STUB_ENTRY(n) \ ++asm(".section \".text\"\n\t" \ ++ ".align 2\n\t" \ ++ ".if " #n " < 10\n\t" \ ++ ".globl _ZN14nsXPTCStubBase5Stub" #n "Ev\n\t" \ ++ ".type _ZN14nsXPTCStubBase5Stub" #n "Ev,@function\n" \ ++ "_ZN14nsXPTCStubBase5Stub" #n "Ev:\n\t" \ ++ ".elseif " #n " < 100\n\t" \ ++ ".globl _ZN14nsXPTCStubBase6Stub" #n "Ev\n\t" \ ++ ".type _ZN14nsXPTCStubBase6Stub" #n "Ev,@function\n" \ ++ "_ZN14nsXPTCStubBase6Stub" #n "Ev:\n\t" \ ++ ".elseif " #n " < 1000\n\t" \ ++ ".globl _ZN14nsXPTCStubBase7Stub" #n "Ev\n\t" \ ++ ".type _ZN14nsXPTCStubBase7Stub" #n "Ev,@function\n" \ ++ "_ZN14nsXPTCStubBase7Stub" #n "Ev:\n\t" \ ++ ".else\n\t" \ ++ ".err \"stub number " #n " >= 1000 not yet supported\"\n\t" \ ++ ".endif\n\t" \ ++ "movl $" #n ", %eax\n\t" \ ++ "jmp SharedStub\n\t" \ ++ ".if " #n " < 10\n\t" \ ++ ".size _ZN14nsXPTCStubBase5Stub" #n "Ev,.-_ZN14nsXPTCStubBase5Stub" #n "Ev\n\t" \ ++ ".elseif " #n " < 100\n\t" \ ++ ".size _ZN14nsXPTCStubBase6Stub" #n "Ev,.-_ZN14nsXPTCStubBase6Stub" #n "Ev\n\t" \ ++ ".else\n\t" \ ++ ".size _ZN14nsXPTCStubBase7Stub" #n "Ev,.-_ZN14nsXPTCStubBase7Stub" #n "Ev\n\t" \ ++ ".endif"); ++ ++// static nsresult SharedStub(PRUint32 methodIndex) ++asm(".section \".text\"\n\t" ++ ".align 2\n\t" ++ ".type SharedStub,@function\n\t" ++ "SharedStub:\n\t" ++ // make room for gpregs (48), fpregs (64) ++ "pushq %rbp\n\t" ++ "movq %rsp,%rbp\n\t" ++ "subq $112,%rsp\n\t" ++ // save GP registers ++ "movq %rdi,-112(%rbp)\n\t" ++ "movq %rsi,-104(%rbp)\n\t" ++ "movq %rdx, -96(%rbp)\n\t" ++ "movq %rcx, -88(%rbp)\n\t" ++ "movq %r8 , -80(%rbp)\n\t" ++ "movq %r9 , -72(%rbp)\n\t" ++ "leaq -112(%rbp),%rcx\n\t" ++ // save FP registers ++ "movsd %xmm0,-64(%rbp)\n\t" ++ "movsd %xmm1,-56(%rbp)\n\t" ++ "movsd %xmm2,-48(%rbp)\n\t" ++ "movsd %xmm3,-40(%rbp)\n\t" ++ "movsd %xmm4,-32(%rbp)\n\t" ++ "movsd %xmm5,-24(%rbp)\n\t" ++ "movsd %xmm6,-16(%rbp)\n\t" ++ "movsd %xmm7, -8(%rbp)\n\t" ++ "leaq -64(%rbp),%r8\n\t" ++ // rdi has the 'self' pointer already ++ "movl %eax,%esi\n\t" ++ "leaq 16(%rbp),%rdx\n\t" ++ "call PrepareAndDispatch\n\t" ++ "leave\n\t" ++ "ret\n\t" ++ ".size SharedStub,.-SharedStub"); ++ ++#define SENTINEL_ENTRY(n) \ ++nsresult nsXPTCStubBase::Sentinel##n() \ ++{ \ ++ NS_ASSERTION(0,"nsXPTCStubBase::Sentinel called"); \ ++ return NS_ERROR_NOT_IMPLEMENTED; \ ++} ++ ++#include "xptcstubsdef.inc" ++ ++#else ++#error "can't find a compiler to use" ++#endif /* __GNUC__ */ |