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boost
boost-ppc64-abiv2-context.patch
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File boost-ppc64-abiv2-context.patch of Package boost
diff --git a/boost/context/detail/config.hpp b/boost/context/detail/config.hpp --- a/boost/context/detail/config.hpp +++ b/boost/context/detail/config.hpp @@ -35,4 +35,15 @@ # include <boost/config/auto_link.hpp> #endif +#undef BOOST_CONTEXT_CALLDECL +#if (defined(i386) || defined(__i386__) || defined(__i386) \ + || defined(__i486__) || defined(__i586__) || defined(__i686__) \ + || defined(__X86__) || defined(_X86_) || defined(__THW_INTEL__) \ + || defined(__I86__) || defined(__INTEL__) || defined(__IA32__) \ + || defined(_M_IX86) || defined(_I86_)) && defined(BOOST_WINDOWS) +# define BOOST_CONTEXT_CALLDECL __cdecl +#else +# define BOOST_CONTEXT_CALLDECL +#endif + #endif // BOOST_CONTEXT_DETAIL_CONFIG_H diff --git a/boost/context/fcontext.hpp b/boost/context/fcontext.hpp --- a/boost/context/fcontext.hpp +++ b/boost/context/fcontext.hpp @@ -24,51 +24,11 @@ typedef int intptr_t; # include BOOST_ABI_PREFIX #endif -// x86_64 -// test x86_64 before i386 because icc might -// define __i686__ for x86_64 too -#if defined(__x86_64__) || defined(__x86_64) \ - || defined(__amd64__) || defined(__amd64) \ - || defined(_M_X64) || defined(_M_AMD64) -# if defined(BOOST_WINDOWS) -# include <boost/context/detail/fcontext_x86_64_win.hpp> -# else -# include <boost/context/detail/fcontext_x86_64.hpp> -# endif -// i386 -#elif defined(i386) || defined(__i386__) || defined(__i386) \ - || defined(__i486__) || defined(__i586__) || defined(__i686__) \ - || defined(__X86__) || defined(_X86_) || defined(__THW_INTEL__) \ - || defined(__I86__) || defined(__INTEL__) || defined(__IA32__) \ - || defined(_M_IX86) || defined(_I86_) -# if defined(BOOST_WINDOWS) -# include <boost/context/detail/fcontext_i386_win.hpp> -# else -# include <boost/context/detail/fcontext_i386.hpp> -# endif -// arm -#elif defined(__arm__) || defined(__thumb__) || defined(__TARGET_ARCH_ARM) \ - || defined(__TARGET_ARCH_THUMB) || defined(_ARM) || defined(_M_ARM) -# include <boost/context/detail/fcontext_arm.hpp> -// mips -#elif (defined(__mips) && __mips == 1) || defined(_MIPS_ISA_MIPS1) \ - || defined(_R3000) -# include <boost/context/detail/fcontext_mips.hpp> -// powerpc -#elif defined(__powerpc) || defined(__powerpc__) || defined(__ppc) \ - || defined(__ppc__) || defined(_ARCH_PPC) || defined(__POWERPC__) \ - || defined(__PPCGECKO__) || defined(__PPCBROADWAY) || defined(_XENON) -# include <boost/context/detail/fcontext_ppc.hpp> -#elif defined(__sparc__) || defined(__sparc) -// sparc or sparc64 -# include <boost/context/detail/fcontext_sparc.hpp> -#else -# error "platform not supported" -#endif - namespace boost { namespace context { +typedef void fcontext_t; + extern "C" BOOST_CONTEXT_DECL intptr_t BOOST_CONTEXT_CALLDECL jump_fcontext( fcontext_t * ofc, fcontext_t const* nfc, intptr_t vp, bool preserve_fpu = true); extern "C" BOOST_CONTEXT_DECL diff --git a/libs/context/build/Jamfile.v2 b/libs/context/build/Jamfile.v2 --- a/libs/context/build/Jamfile.v2 +++ b/libs/context/build/Jamfile.v2 @@ -210,6 +210,16 @@ alias asm_context_sources ; alias asm_context_sources + : asm/make_ppc64_linux_elf_gas.S + asm/jump_ppc64_linux_elf_gas.S + : <address-model>64 + <architecture>power + <binary-format>elf + <target-os>linux + <toolset>gcc + ; + +alias asm_context_sources : [ make asm/make_ppc64_sysv_elf_gas.o : asm/make_ppc64_sysv_elf_gas.S : @gas ] [ make asm/jump_ppc64_sysv_elf_gas.o : asm/jump_ppc64_sysv_elf_gas.S : @gas ] : <address-model>64 diff --git a/libs/context/src/asm/jump_ppc64_linux_elf_gas.S b/libs/context/src/asm/jump_ppc64_linux_elf_gas.S --- /dev/null +++ b/libs/context/src/asm/jump_ppc64_linux_elf_gas.S @@ -0,0 +1,267 @@ +/* + Copyright Oliver Kowalke 2009. + Distributed under the Boost Software License, Version 1.0. + (See accompanying file LICENSE_1_0.txt or copy at + http://www.boost.org/LICENSE_1_0.txt) +*/ + +/******************************************************* + * * + * ------------------------------------------------- * + * | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | * + * ------------------------------------------------- * + * | 0 | 4 | 8 | 12 | 16 | 20 | 24 | 28 | * + * ------------------------------------------------- * + * | F14 | F15 | F16 | F17 | * + * ------------------------------------------------- * + * ------------------------------------------------- * + * | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | * + * ------------------------------------------------- * + * | 32 | 36 | 40 | 44 | 48 | 52 | 56 | 60 | * + * ------------------------------------------------- * + * | F18 | F19 | F20 | F21 | * + * ------------------------------------------------- * + * ------------------------------------------------- * + * | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | * + * ------------------------------------------------- * + * | 64 | 68 | 72 | 76 | 80 | 84 | 88 | 92 | * + * ------------------------------------------------- * + * | F22 | F23 | F24 | F25 | * + * ------------------------------------------------- * + * ------------------------------------------------- * + * | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | * + * ------------------------------------------------- * + * | 96 | 100 | 104 | 108 | 112 | 116 | 120 | 124 | * + * ------------------------------------------------- * + * | F26 | F27 | F28 | F29 | * + * ------------------------------------------------- * + * ------------------------------------------------- * + * | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | * + * ------------------------------------------------- * + * | 128 | 132 | 136 | 140 | 144 | 148 | 152 | 156 | * + * ------------------------------------------------- * + * | F30 | F31 | fpscr | TOC | * + * ------------------------------------------------- * + * ------------------------------------------------- * + * | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | * + * ------------------------------------------------- * + * | 160 | 164 | 168 | 172 | 176 | 180 | 184 | 188 | * + * ------------------------------------------------- * + * | R14 | R15 | R16 | R17 | * + * ------------------------------------------------- * + * ------------------------------------------------- * + * | 48 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | * + * ------------------------------------------------- * + * | 192 | 196 | 200 | 204 | 208 | 212 | 216 | 220 | * + * ------------------------------------------------- * + * | R18 | R19 | R20 | R21 | * + * ------------------------------------------------- * + * ------------------------------------------------- * + * | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | * + * ------------------------------------------------- * + * | 224 | 228 | 232 | 236 | 240 | 244 | 248 | 252 | * + * ------------------------------------------------- * + * | R22 | R23 | R24 | R25 | * + * ------------------------------------------------- * + * ------------------------------------------------- * + * | 64 | 65 | 66 | 67 | 68 | 69 | 70 | 71 | * + * ------------------------------------------------- * + * | 256 | 260 | 264 | 268 | 272 | 276 | 280 | 284 | * + * ------------------------------------------------- * + * | R26 | R27 | R28 | R29 | * + * ------------------------------------------------- * + * ------------------------------------------------- * + * | 72 | 73 | 74 | 75 | 76 | 77 | 78 | 79 | * + * ------------------------------------------------- * + * | 288 | 292 | 296 | 300 | 304 | 308 | 312 | 316 | * + * ------------------------------------------------- * + * ------------------------------------------------- * + * | R30 | R31 | CR | LR | * + * ------------------------------------------------- * + * ------------------------------------------------- * + * | 80 | 81 | | * + * ------------------------------------------------- * + * | 320 | 324 | | * + * ------------------------------------------------- * + * | PC | | * + * ------------------------------------------------- * + * * + *******************************************************/ + +.globl jump_fcontext +#if _CALL_ELF == 2 + .text + .align 2 +jump_fcontext: + addis %r2, %r12, .TOC.-jump_fcontext@ha + addi %r2, %r2, .TOC.-jump_fcontext@l + .localentry jump_fcontext, . - jump_fcontext +#else + .section ".opd","aw" + .align 3 +jump_fcontext: +# ifdef _CALL_LINUX + .quad .L.jump_fcontext,.TOC.@tocbase,0 + .type jump_fcontext,@function + .text + .align 2 +.L.jump_fcontext: +# else + .hidden .jump_fcontext + .globl .jump_fcontext + .quad .jump_fcontext,.TOC.@tocbase,0 + .size jump_fcontext,24 + .type .jump_fcontext,@function + .text + .align 2 +.jump_fcontext: +# endif +#endif + # reserve space on stack + subi %r1, %r1, 328 + +#if _CALL_ELF != 2 + std %r2, 152(%r1) # save TOC +#endif + std %r14, 160(%r1) # save R14 + std %r15, 168(%r1) # save R15 + std %r16, 176(%r1) # save R16 + std %r17, 184(%r1) # save R17 + std %r18, 192(%r1) # save R18 + std %r19, 200(%r1) # save R19 + std %r20, 208(%r1) # save R20 + std %r21, 216(%r1) # save R21 + std %r22, 224(%r1) # save R22 + std %r23, 232(%r1) # save R23 + std %r24, 240(%r1) # save R24 + std %r25, 248(%r1) # save R25 + std %r26, 256(%r1) # save R26 + std %r27, 264(%r1) # save R27 + std %r28, 272(%r1) # save R28 + std %r29, 280(%r1) # save R29 + std %r30, 288(%r1) # save R30 + std %r31, 296(%r1) # save R31 + + # save CR + mfcr %r0 + std %r0, 304(%r1) + # save LR + mflr %r0 + std %r0, 312(%r1) + # save LR as PC + std %r0, 320(%r1) + + # test if fpu env should be preserved + cmpwi cr7, %r6, 0 + beq cr7, 1f + + stfd %f14, 0(%r1) # save F14 + stfd %f15, 8(%r1) # save F15 + stfd %f16, 16(%r1) # save F16 + stfd %f17, 24(%r1) # save F17 + stfd %f18, 32(%r1) # save F18 + stfd %f19, 40(%r1) # save F19 + stfd %f20, 48(%r1) # save F20 + stfd %f21, 56(%r1) # save F21 + stfd %f22, 64(%r1) # save F22 + stfd %f23, 72(%r1) # save F23 + stfd %f24, 80(%r1) # save F24 + stfd %f25, 88(%r1) # save F25 + stfd %f26, 96(%r1) # save F26 + stfd %f27, 104(%r1) # save F27 + stfd %f28, 112(%r1) # save F28 + stfd %f29, 120(%r1) # save F29 + stfd %f30, 128(%r1) # save F30 + stfd %f31, 136(%r1) # save F31 + mffs %f0 # load FPSCR + stfd %f0, 144(%r1) # save FPSCR + +1: + # store RSP (pointing to context-data) in R3 + std %r1, 0(%r3) + + # restore RSP (pointing to context-data) from R4 + mr %r1, %r4 + + # test if fpu env should be preserved + cmpwi cr7, %r6, 0 + beq cr7, 2f + + lfd %f14, 0(%r1) # restore F14 + lfd %f15, 8(%r1) # restore F15 + lfd %f16, 16(%r1) # restore F16 + lfd %f17, 24(%r1) # restore F17 + lfd %f18, 32(%r1) # restore F18 + lfd %f19, 40(%r1) # restore F19 + lfd %f20, 48(%r1) # restore F20 + lfd %f21, 56(%r1) # restore F21 + lfd %f22, 64(%r1) # restore F22 + lfd %f23, 72(%r1) # restore F23 + lfd %f24, 80(%r1) # restore F24 + lfd %f25, 88(%r1) # restore F25 + lfd %f26, 96(%r1) # restore F26 + lfd %f27, 104(%r1) # restore F27 + lfd %f28, 112(%r1) # restore F28 + lfd %f29, 120(%r1) # restore F29 + lfd %f30, 128(%r1) # restore F30 + lfd %f31, 136(%r1) # restore F31 + lfd %f0, 144(%r1) # load FPSCR + mtfsf 0xff, %f0 # restore FPSCR + +2: +#if _CALL_ELF != 2 + ld %r2, 152(%r1) # restore TOC +#endif + ld %r14, 160(%r1) # restore R14 + ld %r15, 168(%r1) # restore R15 + ld %r16, 176(%r1) # restore R16 + ld %r17, 184(%r1) # restore R17 + ld %r18, 192(%r1) # restore R18 + ld %r19, 200(%r1) # restore R19 + ld %r20, 208(%r1) # restore R20 + ld %r21, 216(%r1) # restore R21 + ld %r22, 224(%r1) # restore R22 + ld %r23, 232(%r1) # restore R23 + ld %r24, 240(%r1) # restore R24 + ld %r25, 248(%r1) # restore R25 + ld %r26, 256(%r1) # restore R26 + ld %r27, 264(%r1) # restore R27 + ld %r28, 272(%r1) # restore R28 + ld %r29, 280(%r1) # restore R29 + ld %r30, 288(%r1) # restore R30 + ld %r31, 296(%r1) # restore R31 + + # restore CR + ld %r0, 304(%r1) + mtcr %r0 + # restore LR + ld %r0, 312(%r1) + mtlr %r0 + + # load PC + ld %r12, 320(%r1) + # restore CTR + mtctr %r12 + + # adjust stack + addi %r1, %r1, 328 + + # use third arg as return value after jump + # use third arg as first arg in context function + mr %r3, %r5 + + # jump to context + bctr +#if _CALL_ELF == 2 + .size jump_fcontext, .-jump_fcontext +#else +# ifdef _CALL_LINUX + .size .jump_fcontext, .-.L.jump_fcontext +# else + .size .jump_fcontext, .-.jump_fcontext +# endif +#endif + + +/* Mark that we don't need executable stack. */ +.section .note.GNU-stack,"",%progbits diff --git a/libs/context/src/asm/make_ppc64_linux_elf_gas.S b/libs/context/src/asm/make_ppc64_linux_elf_gas.S --- /dev/null +++ b/libs/context/src/asm/make_ppc64_linux_elf_gas.S @@ -0,0 +1,189 @@ +/* + Copyright Oliver Kowalke 2009. + Distributed under the Boost Software License, Version 1.0. + (See accompanying file LICENSE_1_0.txt or copy at + http://www.boost.org/LICENSE_1_0.txt) +*/ + +/******************************************************* + * * + * ------------------------------------------------- * + * | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | * + * ------------------------------------------------- * + * | 0 | 4 | 8 | 12 | 16 | 20 | 24 | 28 | * + * ------------------------------------------------- * + * | F14 | F15 | F16 | F17 | * + * ------------------------------------------------- * + * ------------------------------------------------- * + * | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | * + * ------------------------------------------------- * + * | 32 | 36 | 40 | 44 | 48 | 52 | 56 | 60 | * + * ------------------------------------------------- * + * | F18 | F19 | F20 | F21 | * + * ------------------------------------------------- * + * ------------------------------------------------- * + * | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | * + * ------------------------------------------------- * + * | 64 | 68 | 72 | 76 | 80 | 84 | 88 | 92 | * + * ------------------------------------------------- * + * | F22 | F23 | F24 | F25 | * + * ------------------------------------------------- * + * ------------------------------------------------- * + * | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | * + * ------------------------------------------------- * + * | 96 | 100 | 104 | 108 | 112 | 116 | 120 | 124 | * + * ------------------------------------------------- * + * | F26 | F27 | F28 | F29 | * + * ------------------------------------------------- * + * ------------------------------------------------- * + * | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | * + * ------------------------------------------------- * + * | 128 | 132 | 136 | 140 | 144 | 148 | 152 | 156 | * + * ------------------------------------------------- * + * | F30 | F31 | fpscr | TOC | * + * ------------------------------------------------- * + * ------------------------------------------------- * + * | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | * + * ------------------------------------------------- * + * | 160 | 164 | 168 | 172 | 176 | 180 | 184 | 188 | * + * ------------------------------------------------- * + * | R14 | R15 | R16 | R17 | * + * ------------------------------------------------- * + * ------------------------------------------------- * + * | 48 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | * + * ------------------------------------------------- * + * | 192 | 196 | 200 | 204 | 208 | 212 | 216 | 220 | * + * ------------------------------------------------- * + * | R18 | R19 | R20 | R21 | * + * ------------------------------------------------- * + * ------------------------------------------------- * + * | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | * + * ------------------------------------------------- * + * | 224 | 228 | 232 | 236 | 240 | 244 | 248 | 252 | * + * ------------------------------------------------- * + * | R22 | R23 | R24 | R25 | * + * ------------------------------------------------- * + * ------------------------------------------------- * + * | 64 | 65 | 66 | 67 | 68 | 69 | 70 | 71 | * + * ------------------------------------------------- * + * | 256 | 260 | 264 | 268 | 272 | 276 | 280 | 284 | * + * ------------------------------------------------- * + * | R26 | R27 | R28 | R29 | * + * ------------------------------------------------- * + * ------------------------------------------------- * + * | 72 | 73 | 74 | 75 | 76 | 77 | 78 | 79 | * + * ------------------------------------------------- * + * | 288 | 292 | 296 | 300 | 304 | 308 | 312 | 316 | * + * ------------------------------------------------- * + * ------------------------------------------------- * + * | R30 | R31 | CR | LR | * + * ------------------------------------------------- * + * ------------------------------------------------- * + * | 80 | 81 | | * + * ------------------------------------------------- * + * | 320 | 324 | | * + * ------------------------------------------------- * + * | PC | | * + * ------------------------------------------------- * + * * + *******************************************************/ + +.globl make_fcontext +#if _CALL_ELF == 2 + .text + .align 2 +make_fcontext: + addis %r2, %r12, .TOC.-make_fcontext@ha + addi %r2, %r2, .TOC.-make_fcontext@l + .localentry make_fcontext, . - make_fcontext +#else + .section ".opd","aw" + .align 3 +make_fcontext: +# ifdef _CALL_LINUX + .quad .L.make_fcontext,.TOC.@tocbase,0 + .type make_fcontext,@function + .text + .align 2 +.L.make_fcontext: +# else + .hidden .make_fcontext + .globl .make_fcontext + .quad .make_fcontext,.TOC.@tocbase,0 + .size make_fcontext,24 + .type .make_fcontext,@function + .text + .align 2 +.make_fcontext: +# endif +#endif + # save return address into R6 + mflr %r6 + + # first arg of make_fcontext() == top address of context-stack + # shift address in R3 to lower 16 byte boundary + clrrdi %r3, %r3, 4 + + # reserve space for context-data on context-stack + # including 64 byte of linkage + parameter area (R1 % 16 == 0) + subi %r3, %r3, 392 + + # third arg of make_fcontext() == address of context-function + # entry point (ELFv2) or descriptor (ELFv1) +#if _CALL_ELF == 2 + # save address of context-function entry point + std %r5, 320(%r3) +#else + # save address of context-function entry point + ld %r4, 0(%r5) + std %r4, 320(%r3) + # save TOC of context-function + ld %r4, 8(%r5) + std %r4, 152(%r3) +#endif + + # load LR + mflr %r0 + # jump to label 1 + bl 1f +1: + # load LR into R4 + mflr %r4 + # compute abs address of label finish + addi %r4, %r4, finish - 1b + # restore LR + mtlr %r0 + # save address of finish as return-address for context-function + # will be entered after context-function returns + std %r4, 312(%r3) + + # restore return address from R6 + mtlr %r6 + + blr # return pointer to context-data + +finish: + # save return address into R0 + mflr %r0 + # save return address on stack, set up stack frame + std %r0, 8(%r1) + # allocate stack space, R1 % 16 == 0 + stdu %r1, -32(%r1) + + # exit code is zero + li %r3, 0 + # exit application + bl _exit + nop +#if _CALL_ELF == 2 + .size make_fcontext, .-make_fcontext +#else +# ifdef _CALL_LINUX + .size .make_fcontext, .-.L.make_fcontext +# else + .size .make_fcontext, .-.make_fcontext +# endif +#endif + +/* Mark that we don't need executable stack. */ +.section .note.GNU-stack,"",%progbits diff --git a/libs/context/test/test_context.cpp b/libs/context/test/test_context.cpp --- a/libs/context/test/test_context.cpp +++ b/libs/context/test/test_context.cpp @@ -27,8 +27,10 @@ typedef ctx::simple_stack_allocator< 8 * 1024 // 8kB > stack_allocator; -ctx::fcontext_t fcm; -ctx::fcontext_t * fc = 0; +ctx::fcontext_t *fcm = 0; +ctx::fcontext_t *fc = 0; +ctx::fcontext_t *fc1 = 0; +ctx::fcontext_t *fc2 = 0; int value1 = 0; std::string value2; double value3 = 0.; @@ -36,25 +38,25 @@ double value3 = 0.; void f1( intptr_t) { ++value1; - ctx::jump_fcontext( fc, & fcm, 0); + ctx::jump_fcontext( & fc, fcm, 0); } void f3( intptr_t) { ++value1; - ctx::jump_fcontext( fc, & fcm, 0); + ctx::jump_fcontext( & fc, fcm, 0); ++value1; - ctx::jump_fcontext( fc, & fcm, 0); + ctx::jump_fcontext( & fc, fcm, 0); } void f4( intptr_t) { - ctx::jump_fcontext( fc, & fcm, 7); + ctx::jump_fcontext( & fc, fcm, 7); } void f5( intptr_t arg) { - ctx::jump_fcontext( fc, & fcm, arg); + ctx::jump_fcontext( & fc, fcm, arg); } void f6( intptr_t arg) @@ -62,9 +64,9 @@ void f6( intptr_t arg) std::pair< int, int > data = * ( std::pair< int, int > * ) arg; int res = data.first + data.second; data = * ( std::pair< int, int > *) - ctx::jump_fcontext( fc, & fcm, ( intptr_t) res); + ctx::jump_fcontext( & fc, fcm, ( intptr_t) res); res = data.first + data.second; - ctx::jump_fcontext( fc, & fcm, ( intptr_t) res); + ctx::jump_fcontext( & fc, fcm, ( intptr_t) res); } void f7( intptr_t arg) @@ -73,7 +75,7 @@ void f7( intptr_t arg) { throw std::runtime_error( ( char *) arg); } catch ( std::runtime_error const& e) { value2 = e.what(); } - ctx::jump_fcontext( fc, & fcm, arg); + ctx::jump_fcontext( & fc, fcm, arg); } void f8( intptr_t arg) @@ -81,7 +83,24 @@ void f8( intptr_t arg) double d = * ( double *) arg; d += 3.45; value3 = d; - ctx::jump_fcontext( fc, & fcm, 0); + ctx::jump_fcontext( & fc, fcm, 0); +} + +void f10( intptr_t) +{ + value1 = 3; + ctx::jump_fcontext( & fc2, fc1, 0); +} + +void f9( intptr_t) +{ + std::cout << "f1: entered" << std::endl; + + stack_allocator alloc; + void * sp = alloc.allocate( stack_allocator::default_stacksize()); + fc2 = ctx::make_fcontext( sp, stack_allocator::default_stacksize(), f10); + ctx::jump_fcontext( & fc1, fc2, 0); + ctx::jump_fcontext( & fc1, fcm, 0); } void test_setup() @@ -91,8 +110,6 @@ void test_setup() void * sp = alloc.allocate( stack_allocator::minimum_stacksize() ); fc = ctx::make_fcontext( sp, stack_allocator::minimum_stacksize(), f1); BOOST_CHECK( fc); - BOOST_CHECK_EQUAL( sp, fc->fc_stack.sp); - BOOST_CHECK_EQUAL( stack_allocator::minimum_stacksize(), fc->fc_stack.size); } void test_start() @@ -104,8 +121,6 @@ void test_start() void * sp = alloc.allocate( stack_allocator::minimum_stacksize() ); fc = ctx::make_fcontext( sp, stack_allocator::minimum_stacksize(), f1); BOOST_CHECK( fc); - BOOST_CHECK_EQUAL( sp, fc->fc_stack.sp); - BOOST_CHECK_EQUAL( stack_allocator::minimum_stacksize(), fc->fc_stack.size); BOOST_CHECK_EQUAL( 0, value1); ctx::jump_fcontext( & fcm, fc, 0); @@ -121,8 +136,6 @@ void test_jump() void * sp = alloc.allocate( stack_allocator::minimum_stacksize() ); fc = ctx::make_fcontext( sp, stack_allocator::minimum_stacksize(), f3); BOOST_CHECK( fc); - BOOST_CHECK_EQUAL( sp, fc->fc_stack.sp); - BOOST_CHECK_EQUAL( stack_allocator::minimum_stacksize(), fc->fc_stack.size); BOOST_CHECK_EQUAL( 0, value1); ctx::jump_fcontext( & fcm, fc, 0); @@ -138,8 +151,6 @@ void test_result() void * sp = alloc.allocate( stack_allocator::minimum_stacksize() ); fc = ctx::make_fcontext( sp, stack_allocator::minimum_stacksize(), f4); BOOST_CHECK( fc); - BOOST_CHECK_EQUAL( sp, fc->fc_stack.sp); - BOOST_CHECK_EQUAL( stack_allocator::minimum_stacksize(), fc->fc_stack.size); int result = ( int) ctx::jump_fcontext( & fcm, fc, 0); BOOST_CHECK_EQUAL( 7, result); @@ -153,8 +164,6 @@ void test_arg() void * sp = alloc.allocate( stack_allocator::minimum_stacksize() ); fc = ctx::make_fcontext( sp, stack_allocator::minimum_stacksize(), f5); BOOST_CHECK( fc); - BOOST_CHECK_EQUAL( sp, fc->fc_stack.sp); - BOOST_CHECK_EQUAL( stack_allocator::minimum_stacksize(), fc->fc_stack.size); int result = ( int) ctx::jump_fcontext( & fcm, fc, i); BOOST_CHECK_EQUAL( i, result); @@ -168,8 +177,6 @@ void test_transfer() void * sp = alloc.allocate( stack_allocator::minimum_stacksize() ); fc = ctx::make_fcontext( sp, stack_allocator::minimum_stacksize(), f6); BOOST_CHECK( fc); - BOOST_CHECK_EQUAL( sp, fc->fc_stack.sp); - BOOST_CHECK_EQUAL( stack_allocator::minimum_stacksize(), fc->fc_stack.size); int result = ( int) ctx::jump_fcontext( & fcm, fc, ( intptr_t) & data); BOOST_CHECK_EQUAL( 10, result); @@ -184,10 +191,8 @@ void test_exception() const char * what = "hello world"; void * sp = alloc.allocate( stack_allocator::default_stacksize() ); - fc = ctx::make_fcontext( sp, stack_allocator::default_stacksize(), f7); + fc = ctx::make_fcontext( sp, stack_allocator::minimum_stacksize(), f7); BOOST_CHECK( fc); - BOOST_CHECK_EQUAL( sp, fc->fc_stack.sp); - BOOST_CHECK_EQUAL( stack_allocator::default_stacksize(), fc->fc_stack.size); ctx::jump_fcontext( & fcm, fc, ( intptr_t) what); BOOST_CHECK_EQUAL( std::string( what), value2); @@ -201,13 +206,21 @@ void test_fp() void * sp = alloc.allocate( stack_allocator::minimum_stacksize() ); fc = ctx::make_fcontext( sp, stack_allocator::minimum_stacksize(), f8); BOOST_CHECK( fc); - BOOST_CHECK_EQUAL( sp, fc->fc_stack.sp); - BOOST_CHECK_EQUAL( stack_allocator::minimum_stacksize(), fc->fc_stack.size); ctx::jump_fcontext( & fcm, fc, (intptr_t) & d); BOOST_CHECK_EQUAL( 10.58, value3); } +void test_stacked() +{ + value1 = 0; + stack_allocator alloc; + void * sp = alloc.allocate( stack_allocator::default_stacksize()); + fc1 = ctx::make_fcontext( sp, stack_allocator::default_stacksize(), f9); + ctx::jump_fcontext( & fcm, fc1, 0); + BOOST_CHECK_EQUAL( 3, value1); +} + boost::unit_test::test_suite * init_unit_test_suite( int, char* []) { boost::unit_test::test_suite * test = @@ -221,6 +234,7 @@ boost::unit_test::test_suite * init_unit_test_suite( int, char* []) test->add( BOOST_TEST_CASE( & test_transfer) ); test->add( BOOST_TEST_CASE( & test_exception) ); test->add( BOOST_TEST_CASE( & test_fp) ); + test->add( BOOST_TEST_CASE( & test_stacked) ); return test; }
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