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Add support for symbol table in .com files

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This change fixes minor bugs and adds a feature, which lets us store the
ELF symbol table, inside the ZIP directory. We use the path /zip/.symtab
which can be safely removed using a zip editing tool, to make the binary
smaller after compilation. This supplements the existing method of using
a separate .com.dbg file, which is still supported. The intent is people
don't always know that it's a good idea to download the debug file. It's
not great having someone's first experience be a crash report, that only
has numbers rather than symbols. This will help fix that!
This commit is contained in:
Justine Tunney 2022-03-23 06:31:55 -07:00
parent 393ca4be40
commit 23b72eb617
61 changed files with 963 additions and 510 deletions
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9
libc/runtime/runtime.h
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@ -9,10 +9,10 @@ COSMOPOLITAN_C_START_
typedef long jmp_buf[8] forcealign(CACHELINE);
extern char **environ; /* CRT */
extern const int __argc; /* CRT */
extern char **const __argv; /* CRT */
extern char **const __envp; /* CRT */
extern unsigned long *const __auxv; /* CRT */
extern int __argc; /* CRT */
extern char **__argv; /* CRT */
extern char **__envp; /* CRT */
extern unsigned long *__auxv; /* CRT */
extern intptr_t __oldstack; /* CRT */
extern char program_executable_name[]; /* RII */
extern char *program_invocation_name; /* RII */
@ -98,6 +98,7 @@ int OpenExecutable(void);
void ftrace_install(void);
long GetResourceLimit(int);
long GetMaxFd(void);
char *GetProgramExecutableName(void);
char *GetInterpreterExecutableName(char *, size_t);
COSMOPOLITAN_C_END_