mirror of
https://github.com/frida/tinycc
synced 2024-12-25 06:26:49 +03:00
64-bit tests now pass (well, nearly).
tcctest1-3 fail, but this appears to be due to bugs in GCC rather than TCC (from manual inspection of the output).
This commit is contained in:
James Lyon
parent
8a81f9e103
commit
5c35ba66c5
@ -46,32 +46,36 @@ set(I386_SOURCES i386-gen.c i386-asm.c i386-asm.h i386-tok.h)
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set(X86_64_SOURCES x86_64-gen.c i386-asm.c x86_64-asm.h)
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if(TCC_TARGET STREQUAL "Win32")
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set(TCC_TARGET_I386 ON)
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set(TCC_TARGET_PE ON)
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set(TCC_TARGET_FLAGS -DTCC_TARGET_I386 -DTCC_TARGET_PE)
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set(LIBTCC_TARGET_SOURCES ${I386_SOURCES} tccpe.c)
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elseif(TCC_TARGET STREQUAL "Win64")
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set(TCC_TARGET_PE ON)
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set(TCC_TARGET_X86_64 ON)
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set(TCC_TARGET_FLAGS -DTCC_TARGET_X86_64 -DTCC_TARGET_PE)
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set(LIBTCC_TARGET_SOURCES ${X86_64_SOURCES} tccpe.c)
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elseif(TCC_TARGET STREQUAL "WinCE")
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set(TCC_TARGET_ARM ON)
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set(TCC_TARGET_FLAGS -DTCC_TARGET_ARM
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-DTCC_ARM_VERSION=${TCC_ARM_VERSION})
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set(LIBTCC_TARGET_SOURCES arm-gen.c tccpe.c)
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elseif(TCC_TARGET STREQUAL "i386")
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set(TCC_TARGET_I386 ON)
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set(TCC_TARGET_FLAGS -DTCC_TARGET_I386)
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set(LIBTCC_TARGET_SOURCES ${I386_SOURCES})
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elseif(TCC_TARGET STREQUAL "x86-64")
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set(TCC_TARGET_X86_64 ON)
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set(TCC_TARGET_FLAGS -DTCC_TARGET_X86_64)
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set(LIBTCC_TARGET_SOURCES ${X86_64_SOURCES})
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elseif(TCC_TARGET STREQUAL "ARM")
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set(TCC_TARGET_ARM ON)
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set(TCC_TARGET_FLAGS -DTCC_TARGET_ARM
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-DTCC_ARM_VERSION=${TCC_ARM_VERSION}
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-DTCC_ARM_EABI=${TCC_ARM_EABI}
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-DTCC_ARM_VFP=${TCC_ARM_VFP}
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-DTCC_ARM_HARDFLOAT=${TCC_ARM_HARDFLOAT})
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set(LIBTCC_TARGET_SOURCES arm-gen.c)
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elseif(TCC_TARGET STREQUAL "C67")
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set(TCC_TARGET_C67 ON)
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set(TCC_TARGET_FLAGS -DTCC_TARGET_C67)
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set(LIBTCC_TARGET_SOURCES c67-gen.c tcccoff.c)
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else()
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message(FATAL_ERROR "Unrecognised target in TCC_TARGET, must be one of ${TCC_TARGET_LIST}")
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endif()
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add_definitions(${TCC_TARGET_FLAGS})
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file(STRINGS "VERSION" TCC_VERSION)
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list(GET TCC_VERSION 0 TCC_VERSION)
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include_directories(${CMAKE_BINARY_DIR})
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@ -86,7 +90,7 @@ set_target_properties(libtcc PROPERTIES PREFIX "")
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add_executable(tcc tcc.c)
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target_link_libraries(tcc libtcc)
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set(TCC_CFLAGS -I${CMAKE_SOURCE_DIR}/include)
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set(TCC_CFLAGS -I${CMAKE_SOURCE_DIR}/include ${CMAKE_C_FLAGS})
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if(TCC_TARGET MATCHES "^Win")
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set(TCC_CFLAGS ${TCC_CFLAGS} -I${CMAKE_SOURCE_DIR}/win32/include)
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endif()
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@ -108,7 +112,7 @@ elseif(TCC_TARGET STREQUAL "x86-64")
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endif()
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if (TCC_TARGET MATCHES "^Win")
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set(XCC tcc ${TCC_CFLAGS} -B${CMAKE_SOURCE_DIR}/win32)
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set(XCC tcc ${TCC_CFLAGS} ${TCC_TARGET_FLAGS} -B${CMAKE_SOURCE_DIR}/win32)
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set(XAR tiny_libmaker${CMAKE_EXECUTABLE_SUFFIX})
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set(XDEPENDS tiny_libmaker)
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endif()
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@ -119,7 +123,7 @@ if(LIBTCC1_SOURCES)
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string(REGEX MATCH "[^/]+$" LIBTCC1_O ${LIBTCC1_C})
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string(REGEX MATCH "^[^.]+" LIBTCC1_O ${LIBTCC1_O})
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set(LIBTCC1_O ${LIBTCC1_O}.o)
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add_custom_command(OUTPUT ${LIBTCC1_O} COMMAND ${XCC} -c ${CMAKE_SOURCE_DIR}/${LIBTCC1_C} -o ${LIBTCC1_O})
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add_custom_command(OUTPUT ${LIBTCC1_O} COMMAND ${XCC} -c ${CMAKE_SOURCE_DIR}/${LIBTCC1_C} -o ${LIBTCC1_O} DEPENDS ${CMAKE_SOURCE_DIR}/${LIBTCC1_C})
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list(APPEND LIBTCC1_OBJECTS ${LIBTCC1_O})
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endforeach()
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add_custom_command(OUTPUT libtcc1.a COMMAND ${XAR} libtcc1.a ${LIBTCC1_OBJECTS} DEPENDS ${LIBTCC1_OBJECTS} ${XDEPENDS})
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11
config.h.in
11
config.h.in
@ -3,14 +3,3 @@
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#cmakedefine CONFIG_WIN32
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#cmakedefine CONFIG_WIN64
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#cmakedefine TCC_TARGET_I386
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#cmakedefine TCC_TARGET_X86_64
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#cmakedefine TCC_TARGET_ARM
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#cmakedefine TCC_TARGET_C67
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#cmakedefine TCC_TARGET_PE
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#define TCC_ARM_VERSION ${TCC_ARM_VERSION}
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#cmakedefine TCC_ARM_VFP
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#cmakedefine TCC_ARM_EABI
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#cmakedefine TCC_ARM_HARDFLOAT
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@ -19,9 +19,9 @@ void __va_end(va_list ap);
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#else /* _WIN64 */
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typedef char *va_list;
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#define va_start(ap,last) ap = ((char *)&(last)) + ((sizeof(last)+7)&~7)
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#define va_arg(ap,type) (ap += (sizeof(type)+7)&~7, *(type *)(ap - ((sizeof(type)+7)&~7)))
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#define va_copy(dest, src) (dest) = (src)
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#define va_start(ap,last) __builtin_va_start(ap,last)
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#define va_arg(ap,type) (ap += 8, sizeof(type)<=8 ? *(type*)ap : **(type**)ap)
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#define va_copy(dest, src) ((dest) = (src))
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#define va_end(ap)
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#endif
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28
tccgen.c
28
tccgen.c
@ -851,7 +851,13 @@ ST_FUNC int gv(int rc)
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t = vtop->type.t;
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t1 = t;
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/* compute memory access type */
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if (vtop->r & VT_LVAL_BYTE)
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if (vtop->r & VT_REF)
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#ifdef TCC_TARGET_X86_64
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t = VT_PTR;
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#else
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t = VT_INT;
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#endif
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else if (vtop->r & VT_LVAL_BYTE)
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t = VT_BYTE;
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else if (vtop->r & VT_LVAL_SHORT)
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t = VT_SHORT;
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@ -3712,7 +3718,24 @@ ST_FUNC void unary(void)
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}
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}
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break;
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#if defined(TCC_TARGET_X86_64) && !defined(TCC_TARGET_PE)
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#ifdef TCC_TARGET_X86_64
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#ifdef TCC_TARGET_PE
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case TOK_builtin_va_start:
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{
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next();
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skip('(');
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expr_eq();
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skip(',');
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expr_eq();
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skip(')');
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if ((vtop->r & VT_VALMASK) != VT_LOCAL)
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tcc_error("__builtin_va_start expects a local variable");
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vtop->r &= ~(VT_LVAL | VT_REF);
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vtop->type = char_pointer_type;
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vstore();
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}
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break;
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#else
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case TOK_builtin_va_arg_types:
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{
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CType type;
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@ -3724,6 +3747,7 @@ ST_FUNC void unary(void)
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vpushi(classify_x86_64_va_arg(&type));
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}
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break;
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#endif
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#endif
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case TOK_INC:
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case TOK_DEC:
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4
tcctok.h
4
tcctok.h
@ -125,7 +125,11 @@
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DEF(TOK_builtin_constant_p, "__builtin_constant_p")
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DEF(TOK_builtin_frame_address, "__builtin_frame_address")
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#ifdef TCC_TARGET_X86_64
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#ifdef TCC_TARGET_PE
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DEF(TOK_builtin_va_start, "__builtin_va_start")
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#else
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DEF(TOK_builtin_va_arg_types, "__builtin_va_arg_types")
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#endif
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#endif
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DEF(TOK_REGPARM1, "regparm")
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DEF(TOK_REGPARM2, "__regparm__")
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@ -6,7 +6,7 @@ add_test(NAME abitest-cc WORKING_DIRECTORY ${CMAKE_BINARY_DIR} COMMAND abitest-c
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set(ABITEST_TCC abitest-tcc${CMAKE_EXECUTABLE_SUFFIX})
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get_property(LIBTCC_LIB TARGET libtcc PROPERTY LOCATION)
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add_custom_command(OUTPUT ${ABITEST_TCC} COMMAND tcc ${TCC_CFLAGS} -I${CMAKE_SOURCE_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/abitest.c ${LIBTCC_LIB} -o ${ABITEST_TCC} DEPENDS abitest.c)
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add_custom_command(OUTPUT ${ABITEST_TCC} COMMAND tcc ${TCC_CFLAGS} -g -I${CMAKE_SOURCE_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/abitest.c ${LIBTCC_LIB} -o ${ABITEST_TCC} DEPENDS abitest.c)
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add_custom_target(abitest-tcc-exe ALL DEPENDS ${ABITEST_TCC})
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add_test(NAME abitest-tcc WORKING_DIRECTORY ${CMAKE_BINARY_DIR} COMMAND ${CMAKE_CURRENT_BINARY_DIR}/${ABITEST_TCC} lib_path=${CMAKE_BINARY_DIR} include=${CMAKE_SOURCE_DIR}/include)
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@ -20,7 +20,7 @@ if(WIN32)
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set(TCC_TEST_CFLAGS ${TCC_TEST_CFLAGS} -I${CMAKE_SOURCE_DIR}/win32/include/winapi)
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endif()
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set(TCC_TEST_SOURCE ${TCC_TEST_CFLAGS} -run ${CMAKE_CURRENT_SOURCE_DIR}/tcctest.c)
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set(TCC_TEST_RUN ${TCC_TEST_CFLAGS} -DONE_SOURCE -run ${CMAKE_SOURCE_DIR}/tcc.c)
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set(TCC_TEST_RUN ${TCC_TEST_CFLAGS} ${TCC_TARGET_FLAGS} -DONE_SOURCE -run ${CMAKE_SOURCE_DIR}/tcc.c)
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add_custom_command(OUTPUT tcctest.ref COMMAND tcctest-cc > tcctest.ref)
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add_custom_command(OUTPUT tcctest.1 COMMAND tcc ${TCC_TEST_SOURCE} > tcctest.1)
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107
tests/abitest.c
107
tests/abitest.c
@ -262,41 +262,133 @@ static int two_member_union_test(void) {
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return run_callback(src, two_member_union_test_callback);
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}
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/*
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* Win64 calling convetntion test.
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*/
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typedef struct many_struct_test_type_s {long long a, b, c;} many_struct_test_type;
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typedef many_struct_test_type (*many_struct_test_function_type) (many_struct_test_type,many_struct_test_type,many_struct_test_type,many_struct_test_type,many_struct_test_type,many_struct_test_type);
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static int many_struct_test_callback(void *ptr) {
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many_struct_test_function_type f = (many_struct_test_function_type)ptr;
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many_struct_test_type v = {1, 2, 3};
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many_struct_test_type r = f(v,v,v,v,v,v);
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return ((r.a == 6) && (r.b == 12) && (r.c == 18))?0:-1;
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}
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static int many_struct_test(void) {
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const char *src =
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"typedef struct many_struct_test_type_s {long long a, b, c;} many_struct_test_type;\n"
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"many_struct_test_type f(many_struct_test_type x1, many_struct_test_type x2, many_struct_test_type x3, many_struct_test_type x4, many_struct_test_type x5, many_struct_test_type x6) {\n"
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" many_struct_test_type y;\n"
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" y.a = x1.a + x2.a + x3.a + x4.a + x5.a + x6.a;\n"
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" y.b = x1.b + x2.b + x3.b + x4.b + x5.b + x6.b;\n"
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" y.c = x1.c + x2.c + x3.c + x4.c + x5.c + x6.c;\n"
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" return y;\n"
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"}\n";
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return run_callback(src, many_struct_test_callback);
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}
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/*
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* Win64 calling convention test.
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*/
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typedef struct many_struct_test_2_type_s {int a, b;} many_struct_test_2_type;
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typedef many_struct_test_2_type (*many_struct_test_2_function_type) (many_struct_test_2_type,many_struct_test_2_type,many_struct_test_2_type,many_struct_test_2_type,many_struct_test_2_type,many_struct_test_2_type);
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static int many_struct_test_2_callback(void *ptr) {
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many_struct_test_2_function_type f = (many_struct_test_2_function_type)ptr;
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many_struct_test_2_type v = {1,2};
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many_struct_test_2_type r = f(v,v,v,v,v,v);
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return ((r.a == 6) && (r.b == 12))?0:-1;
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}
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static int many_struct_test_2(void) {
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const char *src =
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"typedef struct many_struct_test_2_type_s {int a, b;} many_struct_test_2_type;\n"
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"many_struct_test_2_type f(many_struct_test_2_type x1, many_struct_test_2_type x2, many_struct_test_2_type x3, many_struct_test_2_type x4, many_struct_test_2_type x5, many_struct_test_2_type x6) {\n"
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" many_struct_test_2_type y;\n"
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" y.a = x1.a + x2.a + x3.a + x4.a + x5.a + x6.a;\n"
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" y.b = x1.b + x2.b + x3.b + x4.b + x5.b + x6.b;\n"
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" return y;\n"
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"}\n";
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return run_callback(src, many_struct_test_2_callback);
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}
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/*
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* stdarg_test: Test variable argument list ABI
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*/
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typedef void (*stdarg_test_function_type) (int,int,...);
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typedef struct {long long a, b, c;} stdarg_test_struct_type;
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typedef void (*stdarg_test_function_type) (int,int,int,...);
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static int stdarg_test_callback(void *ptr) {
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stdarg_test_function_type f = (stdarg_test_function_type)ptr;
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int x;
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double y;
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f(10, 10,
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stdarg_test_struct_type z = {1, 2, 3}, w;
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f(10, 10, 5,
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1, 2, 3, 4, 5, 6, 7, 8, 9, 10, &x,
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1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0, &y);
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return ((x == 55) && (y == 55)) ? 0 : -1;
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1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0, &y,
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z, z, z, z, z, &w);
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return ((x == 55) && (y == 55) && (w.a == 5) && (w.b == 10) && (w.c == 15)) ? 0 : -1;
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}
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static int stdarg_test(void) {
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const char *src =
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"#include <stdarg.h>\n"
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"void f(int n_int, int n_float, ...) {\n"
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"typedef struct {long long a, b, c;} stdarg_test_struct_type;\n"
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"void f(int n_int, int n_float, int n_struct, ...) {\n"
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" int i, ti;\n"
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" double td;\n"
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" stdarg_test_struct_type ts = {0,0,0}, tmp;\n"
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" va_list ap;\n"
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" va_start(ap, n_float);\n"
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" va_start(ap, n_struct);\n"
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" for (i = 0, ti = 0; i < n_int; ++i)\n"
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" ti += va_arg(ap, int);\n"
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" *va_arg(ap, int*) = ti;\n"
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" for (i = 0, td = 0; i < n_float; ++i)\n"
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" td += va_arg(ap, double);\n"
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" *va_arg(ap, double*) = td;\n"
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" for (i = 0; i < n_struct; ++i) {\n"
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" tmp = va_arg(ap, stdarg_test_struct_type);\n"
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" ts.a += tmp.a; ts.b += tmp.b; ts.c += tmp.c;"
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" }\n"
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" *va_arg(ap, stdarg_test_struct_type*) = ts;\n"
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" va_end(ap);"
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"}\n";
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return run_callback(src, stdarg_test_callback);
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}
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/*
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* Test Win32 stdarg handling, since the calling convention will pass a pointer
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* to the struct and the stdarg pointer must point to that pointer initially.
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*/
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typedef struct {long long a, b, c;} stdarg_struct_test_struct_type;
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typedef int (*stdarg_struct_test_function_type) (stdarg_struct_test_struct_type a, ...);
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static int stdarg_struct_test_callback(void *ptr) {
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stdarg_struct_test_function_type f = (stdarg_struct_test_function_type)ptr;
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stdarg_struct_test_struct_type v = {10, 35, 99};
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int x = f(v, 234);
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return (x == 378) ? 0 : -1;
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}
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static int stdarg_struct_test(void) {
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const char *src =
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"#include <stdarg.h>\n"
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"typedef struct {long long a, b, c;} stdarg_struct_test_struct_type;\n"
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"int f(stdarg_struct_test_struct_type a, ...) {\n"
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" va_list ap;\n"
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" va_start(ap, a);\n"
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" int z = va_arg(ap, int);\n"
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" va_end(ap);\n"
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" return z + a.a + a.b + a.c;\n"
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"}\n";
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return run_callback(src, stdarg_struct_test_callback);
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}
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#define RUN_TEST(t) \
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if (!testname || (strcmp(#t, testname) == 0)) { \
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fputs(#t "... ", stdout); \
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@ -336,6 +428,9 @@ int main(int argc, char **argv) {
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RUN_TEST(sret_test);
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RUN_TEST(one_member_union_test);
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RUN_TEST(two_member_union_test);
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RUN_TEST(many_struct_test);
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RUN_TEST(many_struct_test_2);
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RUN_TEST(stdarg_test);
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RUN_TEST(stdarg_struct_test);
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return retval;
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}
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179
x86_64-gen.c
179
x86_64-gen.c
@ -23,7 +23,7 @@
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#ifdef TARGET_DEFS_ONLY
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/* number of available registers */
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#define NB_REGS 24
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#define NB_REGS 22
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#define NB_ASM_REGS 8
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||||
|
||||
/* a register can belong to several classes. The classes must be
|
||||
@ -45,8 +45,6 @@
|
||||
#define RC_XMM3 0x8000
|
||||
#define RC_XMM4 0x10000
|
||||
#define RC_XMM5 0x20000
|
||||
#define RC_XMM6 0x40000
|
||||
#define RC_XMM7 0x80000
|
||||
#define RC_IRET RC_RAX /* function return: integer register */
|
||||
#define RC_LRET RC_RDX /* function return: second integer register */
|
||||
#define RC_FRET RC_XMM0 /* function return: float register */
|
||||
@ -142,9 +140,7 @@ ST_DATA const int reg_classes[NB_REGS] = {
|
||||
/* xmm2 */ RC_FLOAT | RC_XMM2,
|
||||
/* xmm3 */ RC_FLOAT | RC_XMM3,
|
||||
/* xmm4 */ RC_FLOAT | RC_XMM4,
|
||||
/* xmm5 */ RC_FLOAT | RC_XMM5,
|
||||
/* xmm6 */ RC_FLOAT | RC_XMM6,
|
||||
/* xmm7 */ RC_FLOAT | RC_XMM7,
|
||||
/* xmm5 */ RC_FLOAT | RC_XMM5 /* only up to xmm5: xmm6-15 must be callee saved on Win64 */
|
||||
};
|
||||
|
||||
static unsigned long func_sub_sp_offset;
|
||||
@ -484,7 +480,7 @@ void load(int r, SValue *sv)
|
||||
orex(0,r,0,0);
|
||||
oad(0xb8 + REG_VALUE(r), t ^ 1); /* mov $0, r */
|
||||
} else if (v != r) {
|
||||
if ((r == TREG_XMM0) || (r == TREG_XMM1)) {
|
||||
if ((r >= TREG_XMM0) && (r <= TREG_XMM7)) {
|
||||
if (v == TREG_ST0) {
|
||||
/* gen_cvt_ftof(VT_DOUBLE); */
|
||||
o(0xf0245cdd); /* fstpl -0x10(%rsp) */
|
||||
@ -493,7 +489,7 @@ void load(int r, SValue *sv)
|
||||
o(0x44 + REG_VALUE(r)*8); /* %xmmN */
|
||||
o(0xf024);
|
||||
} else {
|
||||
assert((v == TREG_XMM0) || (v == TREG_XMM1));
|
||||
assert((v >= TREG_XMM0) && (v <= TREG_XMM7));
|
||||
if ((ft & VT_BTYPE) == VT_FLOAT) {
|
||||
o(0x100ff3);
|
||||
} else {
|
||||
@ -626,10 +622,20 @@ static void gcall_or_jmp(int is_jmp)
|
||||
#ifdef TCC_TARGET_PE
|
||||
|
||||
#define REGN 4
|
||||
static const uint8_t arg_regs[] = {
|
||||
static const uint8_t arg_regs[REGN] = {
|
||||
TREG_RCX, TREG_RDX, TREG_R8, TREG_R9
|
||||
};
|
||||
|
||||
/* Prepare arguments in R10 and R11 rather than RCX and RDX
|
||||
because gv() will not ever use these */
|
||||
static int arg_prepare_reg(int idx) {
|
||||
if (idx == 0 || idx == 1)
|
||||
/* idx=0: r10, idx=1: r11 */
|
||||
return idx + 10;
|
||||
else
|
||||
return arg_regs[idx];
|
||||
}
|
||||
|
||||
static int func_scratch;
|
||||
|
||||
/* Generate function call. The function address is pushed first, then
|
||||
@ -651,26 +657,56 @@ void gen_offs_sp(int b, int r, int d)
|
||||
/* Return 1 if this function returns via an sret pointer, 0 otherwise */
|
||||
ST_FUNC int gfunc_sret(CType *vt, CType *ret, int *ret_align) {
|
||||
*ret_align = 1; // Never have to re-align return values for x86-64
|
||||
int size, align;
|
||||
size = type_size(vt, &align);
|
||||
ret->ref = NULL;
|
||||
if (size > 8) {
|
||||
return 1;
|
||||
} else if (size > 4) {
|
||||
ret->t = VT_LLONG;
|
||||
return 0;
|
||||
} else if (size > 2) {
|
||||
ret->t = VT_INT;
|
||||
return 0;
|
||||
} else if (size > 1) {
|
||||
ret->t = VT_SHORT;
|
||||
return 0;
|
||||
} else {
|
||||
ret->t = VT_BYTE;
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
int gfunc_arg_size(CType *type) {
|
||||
if (type->t & (VT_ARRAY|VT_BITFIELD))
|
||||
return 8;
|
||||
int align;
|
||||
return type_size(type, &align);
|
||||
}
|
||||
|
||||
void gfunc_call(int nb_args)
|
||||
{
|
||||
int size, align, r, args_size, i, d, j, bt, struct_size;
|
||||
int nb_reg_args, gen_reg;
|
||||
int size, r, args_size, i, d, bt, struct_size;
|
||||
int arg;
|
||||
|
||||
nb_reg_args = nb_args;
|
||||
args_size = (nb_reg_args < REGN ? REGN : nb_reg_args) * PTR_SIZE;
|
||||
args_size = (nb_args < REGN ? REGN : nb_args) * PTR_SIZE;
|
||||
arg = nb_args;
|
||||
|
||||
/* for struct arguments, we need to call memcpy and the function
|
||||
call breaks register passing arguments we are preparing.
|
||||
So, we process arguments which will be passed by stack first. */
|
||||
struct_size = args_size;
|
||||
for(i = 0; i < nb_args; i++) {
|
||||
--arg;
|
||||
|
||||
SValue *sv = &vtop[-i];
|
||||
bt = (sv->type.t & VT_BTYPE);
|
||||
size = gfunc_arg_size(&sv->type);
|
||||
|
||||
if (size <= 8)
|
||||
continue; /* arguments smaller than 8 bytes passed in registers or on stack */
|
||||
|
||||
if (bt == VT_STRUCT) {
|
||||
size = type_size(&sv->type, &align);
|
||||
/* align to stack align size */
|
||||
size = (size + 15) & ~15;
|
||||
/* generate structure store */
|
||||
@ -683,85 +719,81 @@ void gfunc_call(int nb_args)
|
||||
vpushv(sv);
|
||||
vstore();
|
||||
--vtop;
|
||||
|
||||
} else if (bt == VT_LDOUBLE) {
|
||||
|
||||
gv(RC_ST0);
|
||||
gen_offs_sp(0xdb, 0x107, struct_size);
|
||||
struct_size += 16;
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
if (func_scratch < struct_size)
|
||||
func_scratch = struct_size;
|
||||
#if 1
|
||||
for (i = 0; i < REGN; ++i)
|
||||
save_reg(arg_regs[i]);
|
||||
save_reg(TREG_RAX);
|
||||
#endif
|
||||
gen_reg = nb_reg_args;
|
||||
|
||||
arg = nb_args;
|
||||
struct_size = args_size;
|
||||
|
||||
for(i = 0; i < nb_args; i++) {
|
||||
--arg;
|
||||
bt = (vtop->type.t & VT_BTYPE);
|
||||
|
||||
if (bt == VT_STRUCT || bt == VT_LDOUBLE) {
|
||||
if (bt == VT_LDOUBLE)
|
||||
size = 16;
|
||||
else
|
||||
size = type_size(&vtop->type, &align);
|
||||
size = gfunc_arg_size(&vtop->type);
|
||||
if (size > 8) {
|
||||
/* align to stack align size */
|
||||
size = (size + 15) & ~15;
|
||||
j = --gen_reg;
|
||||
if (j >= REGN) {
|
||||
d = TREG_RAX;
|
||||
if (arg >= REGN) {
|
||||
d = get_reg(RC_INT);
|
||||
gen_offs_sp(0x8d, d, struct_size);
|
||||
gen_offs_sp(0x89, d, j*8);
|
||||
gen_offs_sp(0x89, d, arg*8);
|
||||
} else {
|
||||
d = arg_regs[j];
|
||||
d = arg_prepare_reg(arg);
|
||||
gen_offs_sp(0x8d, d, struct_size);
|
||||
}
|
||||
struct_size += size;
|
||||
|
||||
} else if (is_sse_float(vtop->type.t)) {
|
||||
gv(RC_XMM0); /* only one float register */
|
||||
j = --gen_reg;
|
||||
if (j >= REGN) {
|
||||
} else {
|
||||
if (is_sse_float(vtop->type.t)) {
|
||||
gv(RC_XMM0); /* only use one float register */
|
||||
if (arg >= REGN) {
|
||||
/* movq %xmm0, j*8(%rsp) */
|
||||
gen_offs_sp(0xd60f66, 0x100, j*8);
|
||||
gen_offs_sp(0xd60f66, 0x100, arg*8);
|
||||
} else {
|
||||
/* movaps %xmm0, %xmmN */
|
||||
o(0x280f);
|
||||
o(0xc0 + (j << 3));
|
||||
d = arg_regs[j];
|
||||
o(0xc0 + (arg << 3));
|
||||
d = arg_prepare_reg(arg);
|
||||
/* mov %xmm0, %rxx */
|
||||
o(0x66);
|
||||
orex(1,d,0, 0x7e0f);
|
||||
o(0xc0 + REG_VALUE(d));
|
||||
}
|
||||
} else {
|
||||
j = --gen_reg;
|
||||
if (j >= REGN) {
|
||||
r = gv(RC_INT);
|
||||
gen_offs_sp(0x89, r, j*8);
|
||||
} else {
|
||||
d = arg_regs[j];
|
||||
if (d < NB_REGS) {
|
||||
gv(reg_classes[d] & ~RC_INT);
|
||||
} else {
|
||||
r = gv(RC_INT);
|
||||
if (d != r) {
|
||||
orex(1,d,r, 0x89);
|
||||
o(0xc0 + REG_VALUE(d) + REG_VALUE(r) * 8);
|
||||
}
|
||||
if (bt == VT_STRUCT) {
|
||||
vtop->type.ref = NULL;
|
||||
vtop->type.t = size > 4 ? VT_LLONG : size > 2 ? VT_INT
|
||||
: size > 1 ? VT_SHORT : VT_BYTE;
|
||||
}
|
||||
|
||||
r = gv(RC_INT);
|
||||
if (arg >= REGN) {
|
||||
gen_offs_sp(0x89, r, arg*8);
|
||||
} else {
|
||||
d = arg_prepare_reg(arg);
|
||||
orex(1,d,r,0x89); /* mov */
|
||||
o(0xc0 + REG_VALUE(r) * 8 + REG_VALUE(d));
|
||||
}
|
||||
}
|
||||
}
|
||||
vtop--;
|
||||
}
|
||||
save_regs(0);
|
||||
|
||||
/* Copy R10 and R11 into RCX and RDX, respectively */
|
||||
if (nb_args > 0) {
|
||||
o(0xd1894c); /* mov %r10, %rcx */
|
||||
if (nb_args > 1) {
|
||||
o(0xda894c); /* mov %r11, %rdx */
|
||||
}
|
||||
}
|
||||
|
||||
gcall_or_jmp(0);
|
||||
vtop--;
|
||||
}
|
||||
@ -772,7 +804,7 @@ void gfunc_call(int nb_args)
|
||||
/* generate function prolog of type 't' */
|
||||
void gfunc_prolog(CType *func_type)
|
||||
{
|
||||
int addr, reg_param_index, bt;
|
||||
int addr, reg_param_index, bt, size;
|
||||
Sym *sym;
|
||||
CType *type;
|
||||
|
||||
@ -790,34 +822,46 @@ void gfunc_prolog(CType *func_type)
|
||||
/* if the function returns a structure, then add an
|
||||
implicit pointer parameter */
|
||||
func_vt = sym->type;
|
||||
if ((func_vt.t & VT_BTYPE) == VT_STRUCT) {
|
||||
size = gfunc_arg_size(&func_vt);
|
||||
if (size > 8) {
|
||||
gen_modrm64(0x89, arg_regs[reg_param_index], VT_LOCAL, NULL, addr);
|
||||
func_vc = addr;
|
||||
reg_param_index++;
|
||||
addr += PTR_SIZE;
|
||||
addr += 8;
|
||||
}
|
||||
|
||||
/* define parameters */
|
||||
while ((sym = sym->next) != NULL) {
|
||||
type = &sym->type;
|
||||
bt = type->t & VT_BTYPE;
|
||||
size = gfunc_arg_size(type);
|
||||
if (size > 8) {
|
||||
if (reg_param_index < REGN) {
|
||||
/* save arguments passed by register */
|
||||
gen_modrm64(0x89, arg_regs[reg_param_index], VT_LOCAL, NULL, addr);
|
||||
}
|
||||
if (bt == VT_STRUCT || bt == VT_LDOUBLE) {
|
||||
sym_push(sym->v & ~SYM_FIELD, type, VT_LOCAL | VT_LVAL | VT_REF, addr);
|
||||
} else {
|
||||
if (reg_param_index < REGN) {
|
||||
/* save arguments passed by register */
|
||||
if ((bt == VT_FLOAT) || (bt == VT_DOUBLE)) {
|
||||
o(0xd60f66); /* movq */
|
||||
gen_modrm(reg_param_index, VT_LOCAL, NULL, addr);
|
||||
} else {
|
||||
gen_modrm64(0x89, arg_regs[reg_param_index], VT_LOCAL, NULL, addr);
|
||||
}
|
||||
}
|
||||
sym_push(sym->v & ~SYM_FIELD, type, VT_LOCAL | VT_LVAL, addr);
|
||||
}
|
||||
addr += 8;
|
||||
reg_param_index++;
|
||||
addr += PTR_SIZE;
|
||||
}
|
||||
|
||||
while (reg_param_index < REGN) {
|
||||
if (func_type->ref->c == FUNC_ELLIPSIS)
|
||||
if (func_type->ref->c == FUNC_ELLIPSIS) {
|
||||
gen_modrm64(0x89, arg_regs[reg_param_index], VT_LOCAL, NULL, addr);
|
||||
addr += 8;
|
||||
}
|
||||
reg_param_index++;
|
||||
addr += PTR_SIZE;
|
||||
}
|
||||
}
|
||||
|
||||
@ -1209,8 +1253,6 @@ void gfunc_call(int nb_args)
|
||||
orex(1,d,r,0x89); /* mov */
|
||||
o(0xc0 + REG_VALUE(r) * 8 + REG_VALUE(d));
|
||||
if (reg_count == 2) {
|
||||
/* Second word of two-word value should always be in rdx
|
||||
this case is handled via RC_IRET */
|
||||
d = arg_prepare_reg(gen_reg+1);
|
||||
orex(1,d,vtop->r2,0x89); /* mov */
|
||||
o(0xc0 + REG_VALUE(vtop->r2) * 8 + REG_VALUE(d));
|
||||
@ -1255,7 +1297,7 @@ void gfunc_prolog(CType *func_type)
|
||||
{
|
||||
X86_64_Mode mode;
|
||||
int i, addr, align, size, reg_count;
|
||||
int param_index, param_addr, reg_param_index, sse_param_index;
|
||||
int param_addr, reg_param_index, sse_param_index;
|
||||
Sym *sym;
|
||||
CType *type;
|
||||
|
||||
@ -1328,7 +1370,6 @@ void gfunc_prolog(CType *func_type)
|
||||
}
|
||||
|
||||
sym = func_type->ref;
|
||||
param_index = 0;
|
||||
reg_param_index = 0;
|
||||
sse_param_index = 0;
|
||||
|
||||
@ -1338,10 +1379,7 @@ void gfunc_prolog(CType *func_type)
|
||||
mode = classify_x86_64_arg(&func_vt, NULL, &size, ®_count);
|
||||
if (mode == x86_64_mode_memory) {
|
||||
push_arg_reg(reg_param_index);
|
||||
param_addr = loc;
|
||||
|
||||
func_vc = loc;
|
||||
param_index++;
|
||||
reg_param_index++;
|
||||
}
|
||||
/* define parameters */
|
||||
@ -1391,7 +1429,6 @@ void gfunc_prolog(CType *func_type)
|
||||
}
|
||||
sym_push(sym->v & ~SYM_FIELD, type,
|
||||
VT_LOCAL | VT_LVAL, param_addr);
|
||||
param_index++;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user