diff options
Diffstat (limited to 'sysdeps/i386/sysdep.h')
| -rw-r--r-- | sysdeps/i386/sysdep.h | 30 |
1 files changed, 26 insertions, 4 deletions
diff --git a/sysdeps/i386/sysdep.h b/sysdeps/i386/sysdep.h index eea863304f..563e7dd009 100644 --- a/sysdeps/i386/sysdep.h +++ b/sysdeps/i386/sysdep.h @@ -1,5 +1,5 @@ /* Assembler macros for i386. - Copyright (C) 1991, 92, 93, 95, 96 Free Software Foundation, Inc. + Copyright (C) 1991, 92, 93, 95, 96, 98 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -29,7 +29,7 @@ #define ALIGNARG(log2) 1<<log2 /* For ELF we need the `.type' directive to make shared libs work right. */ #define ASM_TYPE_DIRECTIVE(name,typearg) .type name,typearg; -#define ASM_SIZE_DIRECTIVE(name) .size name,.-name +#define ASM_SIZE_DIRECTIVE(name) .size name,.-name; /* In ELF C symbols are asm symbols. */ #undef NO_UNDERSCORES @@ -44,17 +44,39 @@ #endif -/* Define an entry point visible from C. */ +/* Define an entry point visible from C. + + There is currently a bug in gdb which prevents us from specifying + incomplete stabs information. Fake some entries here which specify + the current source file. */ #define ENTRY(name) \ + STABS_CURRENT_FILE1("") \ + STABS_CURRENT_FILE(name) \ ASM_GLOBAL_DIRECTIVE C_SYMBOL_NAME(name); \ ASM_TYPE_DIRECTIVE (C_SYMBOL_NAME(name),@function) \ .align ALIGNARG(4); \ + STABS_FUN(name) \ C_LABEL(name) \ CALL_MCOUNT #undef END #define END(name) \ - ASM_SIZE_DIRECTIVE(name) + ASM_SIZE_DIRECTIVE(name) \ + STABS_FUN_END(name) + +/* Remove the following two lines once the gdb bug is fixed. */ +#define STABS_CURRENT_FILE(name) \ + STABS_CURRENT_FILE1 (#name) +#define STABS_CURRENT_FILE1(name) \ + 1: .stabs name,100,0,0,1b; +/* Emit stabs definition lines. We use F(0,1) and define t(0,1) as `int', + the same way gcc does it. */ +#define STABS_FUN(name) STABS_FUN2(name, name##:F(0,1)) +#define STABS_FUN2(name, namestr) \ + .stabs "int:t(0,1)=r(0,1);-2147483648;2147483647;",128,0,0,0; \ + .stabs #namestr,36,0,0,name; +#define STABS_FUN_END(name) \ + 1: .stabs "",36,0,0,1b-name; /* If compiled for profiling, call `mcount' at the start of each function. */ #ifdef PROF |