X-Git-Url: https://code.delx.au/gnu-emacs/blobdiff_plain/ba3189039adc8ec5eba5ed3e21d42019a4616b7c..c832df2ec2f6528bc35f69f9fd9a4b2e470d2ebe:/src/unexw32.c diff --git a/src/unexw32.c b/src/unexw32.c index 5411cd2a95..5c1c1f3f39 100644 --- a/src/unexw32.c +++ b/src/unexw32.c @@ -43,19 +43,11 @@ PIMAGE_NT_HEADERS extern BOOL ctrl_c_handler (unsigned long type); extern char my_begdata[]; -extern char my_edata[]; extern char my_begbss[]; -extern char my_endbss[]; extern char *my_begbss_static; -extern char *my_endbss_static; #include "w32heap.h" -#undef min -#undef max -#define min(x, y) (((x) < (y)) ? (x) : (y)) -#define max(x, y) (((x) > (y)) ? (x) : (y)) - /* Basically, our "initialized" flag. */ BOOL using_dynamic_heap = FALSE; @@ -83,7 +75,12 @@ PCHAR bss_start_static = 0; DWORD_PTR bss_size_static = 0; DWORD_PTR extra_bss_size_static = 0; -PIMAGE_SECTION_HEADER heap_section; +/* MinGW64 doesn't add a leading underscore to external symbols, + whereas configure.ac sets up LD_SWITCH_SYSTEM_TEMACS to force the + entry point at __start, with two underscores. */ +#ifdef __MINGW64__ +#define _start __start +#endif /* Startup code for running on NT. When we are running as the dumped version, we need to bootstrap our heap and .bss section into our @@ -468,8 +465,6 @@ get_section_info (file_data *p_infile) bss_section_static = 0; extra_bss_size_static = 0; } - - heap_section = rva_to_section (PTR_TO_RVA (get_heap_start ()), nt_header); } @@ -511,9 +506,11 @@ copy_executable_and_dump_data (file_data *p_infile, if (verbose) \ { \ printf ("%s\n", (message)); \ - printf ("\t0x%08x Address in process.\n", s); \ - printf ("\t0x%08x Offset in output file.\n", dst - p_outfile->file_base); \ - printf ("\t0x%08x Size in bytes.\n", count); \ + printf ("\t0x%p Address in process.\n", s); \ + printf ("\t0x%p Base output file.\n", p_outfile->file_base); \ + printf ("\t0x%p Offset in output file.\n", dst - p_outfile->file_base); \ + printf ("\t0x%p Address in output file.\n", dst); \ + printf ("\t0x%p Size in bytes.\n", count); \ } \ memcpy (dst, s, count); \ dst += count; \ @@ -622,34 +619,6 @@ copy_executable_and_dump_data (file_data *p_infile, dst_section->Characteristics &= ~IMAGE_SCN_CNT_UNINITIALIZED_DATA; dst_section->Characteristics |= IMAGE_SCN_CNT_INITIALIZED_DATA; } - if (section == heap_section) - { - DWORD_PTR heap_start = (DWORD_PTR) get_heap_start (); - DWORD_PTR heap_size = get_committed_heap_size (); - - /* Dump the used portion of the predump heap, adjusting the - section's size to the appropriate size. */ - dst = dst_save - + RVA_TO_SECTION_OFFSET (PTR_TO_RVA (heap_start), dst_section); - COPY_PROC_CHUNK ("Dumping heap...", heap_start, heap_size, - be_verbose); - ROUND_UP_DST (dst_nt_header->OptionalHeader.FileAlignment); - dst_section->PointerToRawData = PTR_TO_OFFSET (dst_save, p_outfile); - /* Determine new size of raw data area. */ - dst = max (dst, dst_save + dst_section->SizeOfRawData); - dst_section->SizeOfRawData = dst - dst_save; - /* Reduce the size of the heap section to fit (must be last - section). */ - dst_nt_header->OptionalHeader.SizeOfImage -= - dst_section->Misc.VirtualSize - - ROUND_UP (dst_section->SizeOfRawData, - dst_nt_header->OptionalHeader.SectionAlignment); - dst_section->Misc.VirtualSize = - ROUND_UP (dst_section->SizeOfRawData, - dst_nt_header->OptionalHeader.SectionAlignment); - dst_section->Characteristics &= ~IMAGE_SCN_CNT_UNINITIALIZED_DATA; - dst_section->Characteristics |= IMAGE_SCN_CNT_INITIALIZED_DATA; - } /* Align the section's raw data area. */ ROUND_UP_DST (dst_nt_header->OptionalHeader.FileAlignment); @@ -751,6 +720,10 @@ unexec (const char *new_name, const char *old_name) abort (); strcpy (p, q); +#ifdef ENABLE_CHECKING + report_temacs_memory_usage (); +#endif + /* Make sure that the output filename has the ".exe" extension...patch it up if not. */ p = out_filename + strlen (out_filename) - 4; @@ -760,9 +733,6 @@ unexec (const char *new_name, const char *old_name) printf ("Dumping from %s\n", in_filename); printf (" to %s\n", out_filename); - /* We need to round off our heap to NT's page size. */ - round_heap (get_page_size ()); - /* Open the undumped executable file. */ if (!open_input_file (&in_file, in_filename)) { @@ -777,7 +747,6 @@ unexec (const char *new_name, const char *old_name) /* The size of the dumped executable is the size of the original executable plus the size of the heap and the size of the .bss section. */ size = in_file.size + - get_committed_heap_size () + extra_bss_size + extra_bss_size_static; if (!open_output_file (&out_file, out_filename, size)) @@ -792,6 +761,10 @@ unexec (const char *new_name, const char *old_name) copy_executable_and_dump_data (&in_file, &out_file); + /* Unset it because it is plain wrong to keep it after dumping. + Malloc can still occur! */ + using_dynamic_heap = FALSE; + /* Patch up header fields; profiler is picky about this. */ { PIMAGE_DOS_HEADER dos_header;