From 283be8734b44d7d12e1671a490e7cea5a35c9064 Mon Sep 17 00:00:00 2001 From: Andrew Cagney Date: Fri, 3 Sep 2004 22:31:23 +0000 Subject: [PATCH] * mips-tdep.c (find_proc_desc): Inline call to find_proc_desc. Simplify as NEXT_FRAME is NULL. (find_proc_desc): Simplify as NEXT_FRAME is non-NULL. --- gdb/ChangeLog | 4 +++ gdb/mips-tdep.c | 77 +++++++++++++++++++++++++++++---------------------------- 2 files changed, 43 insertions(+), 38 deletions(-) diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 11a7974..2638371 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,5 +1,9 @@ 2004-09-03 Andrew Cagney + * mips-tdep.c (find_proc_desc): Inline call to find_proc_desc. + Simplify as NEXT_FRAME is NULL. + (find_proc_desc): Simplify as NEXT_FRAME is non-NULL. + * mips-tdep.c (after_prologue): Replace proc_desc parameter with local variable. (mips_skip_prologue): Update. diff --git a/gdb/mips-tdep.c b/gdb/mips-tdep.c index 5a209e6..9e1b500 100644 --- a/gdb/mips-tdep.c +++ b/gdb/mips-tdep.c @@ -888,13 +888,45 @@ after_prologue (CORE_ADDR pc) mips_extra_func_info_t proc_desc; struct symtab_and_line sal; CORE_ADDR func_addr, func_end; + CORE_ADDR startaddr = 0; + + /* Pass a NULL next_frame to heuristic_proc_desc. We should not + attempt to read the stack pointer from the current machine state, + because the current machine state has nothing to do with the + information we need from the proc_desc; and the process may or + may not exist right now. */ + proc_desc = non_heuristic_proc_desc (pc, &startaddr); + if (proc_desc) + { + /* IF this is the topmost frame AND (this proc does not have + debugging information OR the PC is in the procedure prologue) + THEN create a "heuristic" proc_desc (by analyzing the actual + code) to replace the "official" proc_desc. */ + struct symtab_and_line val; + struct symbol *proc_symbol = + PROC_DESC_IS_DUMMY (proc_desc) ? 0 : PROC_SYMBOL (proc_desc); + + if (proc_symbol) + { + val = find_pc_line (BLOCK_START + (SYMBOL_BLOCK_VALUE (proc_symbol)), 0); + val.pc = val.end ? val.end : pc; + } + if (!proc_symbol || pc < val.pc) + { + mips_extra_func_info_t found_heuristic = + heuristic_proc_desc (PROC_LOW_ADDR (proc_desc), pc, NULL); + if (found_heuristic) + proc_desc = found_heuristic; + } + } + else + { + if (startaddr == 0) + startaddr = heuristic_proc_start (pc); - /* Pass a NULL next_frame to find_proc_desc. We should not attempt - to read the stack pointer from the current machine state, because - the current machine state has nothing to do with the information - we need from the proc_desc; and the process may or may not exist - right now. */ - proc_desc = find_proc_desc (pc, NULL); + proc_desc = heuristic_proc_desc (startaddr, pc, NULL); + } if (proc_desc) { @@ -3115,38 +3147,7 @@ find_proc_desc (CORE_ADDR pc, struct frame_info *next_frame) CORE_ADDR startaddr = 0; proc_desc = non_heuristic_proc_desc (pc, &startaddr); - - if (proc_desc) - { - /* IF this is the topmost frame AND - * (this proc does not have debugging information OR - * the PC is in the procedure prologue) - * THEN create a "heuristic" proc_desc (by analyzing - * the actual code) to replace the "official" proc_desc. - */ - if (next_frame == NULL) - { - struct symtab_and_line val; - struct symbol *proc_symbol = - PROC_DESC_IS_DUMMY (proc_desc) ? 0 : PROC_SYMBOL (proc_desc); - - if (proc_symbol) - { - val = find_pc_line (BLOCK_START - (SYMBOL_BLOCK_VALUE (proc_symbol)), 0); - val.pc = val.end ? val.end : pc; - } - if (!proc_symbol || pc < val.pc) - { - mips_extra_func_info_t found_heuristic = - heuristic_proc_desc (PROC_LOW_ADDR (proc_desc), - pc, next_frame); - if (found_heuristic) - proc_desc = found_heuristic; - } - } - } - else + if (proc_desc == NULL) { if (startaddr == 0) startaddr = heuristic_proc_start (pc); -- 2.7.4