Module: wine Branch: master Commit: cd8b85e4a9f5477bfd137ef5a03ad0bf3d55f891 URL: https://source.winehq.org/git/wine.git/?a=commit;h=cd8b85e4a9f5477bfd137ef5a...
Author: Eric Pouech eric.pouech@gmail.com Date: Tue Sep 7 09:26:55 2021 +0200
dbghelp: Rewrite SymGetLinePrev* with internal_line_t.
Signed-off-by: Eric Pouech eric.pouech@gmail.com Signed-off-by: Alexandre Julliard julliard@winehq.org
---
dlls/dbghelp/dbghelp.spec | 2 +- dlls/dbghelp/symbol.c | 118 +++++++++++++++++++++------------------------- 2 files changed, 55 insertions(+), 65 deletions(-)
diff --git a/dlls/dbghelp/dbghelp.spec b/dlls/dbghelp/dbghelp.spec index 1d95c7a21ff..39820a98566 100644 --- a/dlls/dbghelp/dbghelp.spec +++ b/dlls/dbghelp/dbghelp.spec @@ -95,7 +95,7 @@ @ stdcall SymGetLineNextW64(long ptr) @ stdcall SymGetLinePrev(long ptr) @ stdcall SymGetLinePrev64(long ptr) -@ stub SymGetLinePrevW64 +@ stdcall SymGetLinePrevW64(long ptr) @ stdcall SymGetModuleBase(long long) @ stdcall SymGetModuleBase64(long int64) @ stdcall SymGetModuleInfo(long long ptr) diff --git a/dlls/dbghelp/symbol.c b/dlls/dbghelp/symbol.c index 25bb21edeaa..ee68967ce5d 100644 --- a/dlls/dbghelp/symbol.c +++ b/dlls/dbghelp/symbol.c @@ -1719,32 +1719,6 @@ BOOL WINAPI SymGetSymPrev(HANDLE hProcess, PIMAGEHLP_SYMBOL Symbol) return FALSE; }
-/****************************************************************** - * copy_line_64_from_32 (internal) - * - */ -static void copy_line_64_from_32(IMAGEHLP_LINE64* l64, const IMAGEHLP_LINE* l32) - -{ - l64->Key = l32->Key; - l64->LineNumber = l32->LineNumber; - l64->FileName = l32->FileName; - l64->Address = l32->Address; -} - -/****************************************************************** - * copy_line_32_from_64 (internal) - * - */ -static void copy_line_32_from_64(IMAGEHLP_LINE* l32, const IMAGEHLP_LINE64* l64) - -{ - l32->Key = l64->Key; - l32->LineNumber = l64->LineNumber; - l32->FileName = l64->FileName; - l32->Address = l64->Address; -} - /****************************************************************** * SymGetLineFromAddr (DBGHELP.@) * @@ -1796,50 +1770,33 @@ BOOL WINAPI SymGetLineFromAddrW64(HANDLE hProcess, DWORD64 dwAddr, return internal_line_copy_toW64(&intl, Line); }
-/****************************************************************** - * SymGetLinePrev64 (DBGHELP.@) - * - */ -BOOL WINAPI SymGetLinePrev64(HANDLE hProcess, PIMAGEHLP_LINE64 Line) +static BOOL symt_get_func_line_prev(HANDLE hProcess, struct internal_line_t* intl, void* key, DWORD64 addr) { struct module_pair pair; struct line_info* li; - BOOL in_search = FALSE; - - TRACE("(%p %p)\n", hProcess, Line); - - if (Line->SizeOfStruct < sizeof(*Line)) return FALSE; + struct line_info* srcli;
pair.pcs = process_find_by_handle(hProcess); if (!pair.pcs) return FALSE; - pair.requested = module_find_by_addr(pair.pcs, Line->Address, DMT_UNKNOWN); + pair.requested = module_find_by_addr(pair.pcs, addr, DMT_UNKNOWN); if (!module_get_debug(&pair)) return FALSE;
- if (Line->Key == 0) return FALSE; - li = Line->Key; - /* things are a bit complicated because when we encounter a DLIT_SOURCEFILE - * element we have to go back until we find the prev one to get the real - * source file name for the DLIT_OFFSET element just before - * the first DLIT_SOURCEFILE - */ + if (key == NULL) return FALSE; + + li = key; + while (!li->is_first) { li--; if (!li->is_source_file) { - Line->LineNumber = li->line_number; - Line->Address = li->u.pc_offset; - Line->Key = li; - if (!in_search) return TRUE; - } - else - { - if (in_search) - { - Line->FileName = (char*)source_get(pair.effective, li->u.source_file); - return TRUE; - } - in_search = TRUE; + intl->line_number = li->line_number; + intl->address = li->u.pc_offset; + intl->key = li; + /* search source file */ + for (srcli = li; !srcli->is_source_file; srcli--); + + return internal_line_set_nameA(pair.pcs, intl, (char*)source_get(pair.effective, srcli->u.source_file), FALSE); } } SetLastError(ERROR_NO_MORE_ITEMS); /* FIXME */ @@ -1847,18 +1804,51 @@ BOOL WINAPI SymGetLinePrev64(HANDLE hProcess, PIMAGEHLP_LINE64 Line) }
/****************************************************************** - * SymGetLinePrev (DBGHELP.@) + * SymGetLinePrev64 (DBGHELP.@) + * + */ +BOOL WINAPI SymGetLinePrev64(HANDLE hProcess, PIMAGEHLP_LINE64 Line) +{ + struct internal_line_t intl; + + TRACE("(%p %p)\n", hProcess, Line); + + if (Line->SizeOfStruct < sizeof(*Line)) return FALSE; + init_internal_line(&intl, FALSE); + if (!symt_get_func_line_prev(hProcess, &intl, Line->Key, Line->Address)) return FALSE; + return internal_line_copy_toA64(&intl, Line); +} + +/****************************************************************** + * SymGetLinePrev (DBGHELP.@) * */ BOOL WINAPI SymGetLinePrev(HANDLE hProcess, PIMAGEHLP_LINE Line) { - IMAGEHLP_LINE64 line64; + struct internal_line_t intl;
- line64.SizeOfStruct = sizeof(line64); - copy_line_64_from_32(&line64, Line); - if (!SymGetLinePrev64(hProcess, &line64)) return FALSE; - copy_line_32_from_64(Line, &line64); - return TRUE; + TRACE("(%p %p)\n", hProcess, Line); + + if (Line->SizeOfStruct < sizeof(*Line)) return FALSE; + init_internal_line(&intl, FALSE); + if (!symt_get_func_line_prev(hProcess, &intl, Line->Key, Line->Address)) return FALSE; + return internal_line_copy_toA32(&intl, Line); +} + +/****************************************************************** + * SymGetLinePrevW64 (DBGHELP.@) + * + */ +BOOL WINAPI SymGetLinePrevW64(HANDLE hProcess, PIMAGEHLP_LINEW64 Line) +{ + struct internal_line_t intl; + + TRACE("(%p %p)\n", hProcess, Line); + + if (Line->SizeOfStruct < sizeof(*Line)) return FALSE; + init_internal_line(&intl, TRUE); + if (!symt_get_func_line_prev(hProcess, &intl, Line->Key, Line->Address)) return FALSE; + return internal_line_copy_toW64(&intl, Line); }
static BOOL symt_get_func_line_next(HANDLE hProcess, struct internal_line_t* intl, void* key, DWORD64 addr)