From 20752d904b58d59757412bfe6714107f4653222a Mon Sep 17 00:00:00 2001 From: jason Date: Fri, 10 May 2024 23:06:49 -0400 Subject: [PATCH] fix 6 argument syscall on i386 --- src/llvm_backend_proc.cpp | 10 ++-------- 1 file changed, 2 insertions(+), 8 deletions(-) diff --git a/src/llvm_backend_proc.cpp b/src/llvm_backend_proc.cpp index 898c9ac31..736c54e52 100644 --- a/src/llvm_backend_proc.cpp +++ b/src/llvm_backend_proc.cpp @@ -2835,8 +2835,7 @@ gb_internal lbValue lb_build_builtin_proc(lbProcedure *p, Ast *expr, TypeAndValu { GB_ASSERT(arg_count <= 7); - char asm_string_default[] = "int $$0x80"; - char *asm_string = asm_string_default; + char asm_string[] = "int $$0x80"; gbString constraints = gb_string_make(heap_allocator(), "={eax}"); for (unsigned i = 0; i < gb_min(arg_count, 6); i++) { @@ -2848,16 +2847,11 @@ gb_internal lbValue lb_build_builtin_proc(lbProcedure *p, Ast *expr, TypeAndValu "edx", "esi", "edi", + "ebp", }; constraints = gb_string_appendc(constraints, regs[i]); constraints = gb_string_appendc(constraints, "}"); } - if (arg_count == 7) { - char asm_string7[] = "push %[arg6]\npush %%ebp\nmov 4(%%esp), %%ebp\nint $0x80\npop %%ebp\nadd $4, %%esp"; - asm_string = asm_string7; - - constraints = gb_string_appendc(constraints, ",rm"); - } inline_asm = llvm_get_inline_asm(func_type, make_string_c(asm_string), make_string_c(constraints)); }