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winebuild: Add cfi annotations to the relay functions for i386.

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This commit is contained in:
Alexandre Julliard 2010-04-12 12:33:19 +02:00
parent eba56752fd
commit 5c2db41cdc
2 changed files with 47 additions and 3 deletions
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35
tools/winebuild/relay.c
View file

@ -386,13 +386,20 @@ static void BuildCallTo16Core( int reg_func )
function_header( name );
/* Function entry sequence */
output_cfi( ".cfi_startproc" );
output( "\tpushl %%ebp\n" );
output_cfi( ".cfi_adjust_cfa_offset 4" );
output_cfi( ".cfi_rel_offset %%ebp,0" );
output( "\tmovl %%esp, %%ebp\n" );
output_cfi( ".cfi_def_cfa_register %%ebp" );
/* Save the 32-bit registers */
output( "\tpushl %%ebx\n" );
output_cfi( ".cfi_rel_offset %%ebx,-4" );
output( "\tpushl %%esi\n" );
output_cfi( ".cfi_rel_offset %%esi,-8" );
output( "\tpushl %%edi\n" );
output_cfi( ".cfi_rel_offset %%edi,-12" );
output( "\t.byte 0x64\n\tmov %%gs,(%d)\n", GS_OFFSET );
/* Setup exception frame */
@ -443,12 +450,18 @@ static void BuildCallTo16Core( int reg_func )
/* Restore the 32-bit registers */
output( "\tpopl %%edi\n" );
output_cfi( ".cfi_same_value %%edi" );
output( "\tpopl %%esi\n" );
output_cfi( ".cfi_same_value %%esi" );
output( "\tpopl %%ebx\n" );
output_cfi( ".cfi_same_value %%ebx" );
/* Function exit sequence */
output( "\tpopl %%ebp\n" );
output_cfi( ".cfi_def_cfa %%esp,4" );
output_cfi( ".cfi_same_value %%ebp" );
output( "\tret $12\n" );
output_cfi( ".cfi_endproc" );
/* Start of the actual CallTo16 routine */
@ -652,11 +665,18 @@ static void BuildCallTo32CBClient( int isEx )
/* Entry code */
output_cfi( ".cfi_startproc" );
output( "\tpushl %%ebp\n" );
output_cfi( ".cfi_adjust_cfa_offset 4" );
output_cfi( ".cfi_rel_offset %%ebp,0" );
output( "\tmovl %%esp,%%ebp\n" );
output_cfi( ".cfi_def_cfa_register %%ebp" );
output( "\tpushl %%edi\n" );
output_cfi( ".cfi_rel_offset %%edi,-4" );
output( "\tpushl %%esi\n" );
output_cfi( ".cfi_rel_offset %%esi,-8" );
output( "\tpushl %%ebx\n" );
output_cfi( ".cfi_rel_offset %%ebx,-12" );
/* Get pointer to temporary area and save the 32-bit stack pointer */
@ -694,10 +714,16 @@ static void BuildCallTo32CBClient( int isEx )
/* Restore registers and return */
output( "\tpopl %%ebx\n" );
output_cfi( ".cfi_same_value %%ebx" );
output( "\tpopl %%esi\n" );
output_cfi( ".cfi_same_value %%esi" );
output( "\tpopl %%edi\n" );
output_cfi( ".cfi_same_value %%edi" );
output( "\tpopl %%ebp\n" );
output_cfi( ".cfi_def_cfa %%esp,4" );
output_cfi( ".cfi_same_value %%ebp" );
output( "\tret\n" );
output_cfi( ".cfi_endproc" );
output_function_size( isEx ? "CALL32_CBClientEx" : "CALL32_CBClient" );
/* '16-bit' return stub */
@ -757,8 +783,12 @@ static void build_call_from_regs_x86(void)
/* Allocate some buffer space on the stack */
output_cfi( ".cfi_startproc" );
output( "\tpushl %%ebp\n" );
output( "\tmovl %%esp,%%ebp\n ");
output_cfi( ".cfi_adjust_cfa_offset 4" );
output_cfi( ".cfi_rel_offset %%ebp,0" );
output( "\tmovl %%esp,%%ebp\n" );
output_cfi( ".cfi_def_cfa_register %%ebp" );
output( "\tleal -%d(%%esp),%%esp\n", STACK_SPACE );
/* Build the context structure */
@ -846,11 +876,14 @@ static void build_call_from_regs_x86(void)
output( "\tpopl %%ds\n" );
output( "\tiret\n" );
output_cfi( ".cfi_endproc" );
output_function_size( "__wine_call_from_regs" );
function_header( "__wine_restore_regs" );
output_cfi( ".cfi_startproc" );
output( "\tmovl 4(%%esp),%%ecx\n" );
output( "\tjmp 2b\n" );
output_cfi( ".cfi_endproc" );
output_function_size( "__wine_restore_regs" );
}

15
tools/winebuild/spec16.c
View file

@ -312,12 +312,17 @@ static void output_call16_function( ORDDEF *odp )
output( "\t.align %d\n", get_alignment(4) );
output( "\t%s\n", func_declaration(name) );
output( "%s:\n", name );
output_cfi( ".cfi_startproc" );
output( "\tpushl %%ebp\n" );
output_cfi( ".cfi_adjust_cfa_offset 4" );
output_cfi( ".cfi_rel_offset %%ebp,0" );
output( "\tmovl %%esp,%%ebp\n" );
output_cfi( ".cfi_def_cfa_register %%ebp" );
stack_words = 2;
if (needs_ldt)
{
output( "\tpushl %%esi\n" );
output_cfi( ".cfi_rel_offset %%esi,-4" );
stack_words++;
if (UsePIC)
{
@ -390,10 +395,16 @@ static void output_call16_function( ORDDEF *odp )
output( "\tcall *8(%%ebp)\n" );
if (needs_ldt) output( "\tmovl -4(%%ebp),%%esi\n" );
if (needs_ldt)
{
output( "\tmovl -4(%%ebp),%%esi\n" );
output_cfi( ".cfi_same_value %%esi" );
}
output( "\tleave\n" );
output_cfi( ".cfi_def_cfa %%esp,4" );
output_cfi( ".cfi_same_value %%ebp" );
output( "\tret\n" );
output_cfi( ".cfi_endproc" );
output_function_size( name );
}