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Fix calling conventions changed by structs

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This commit is contained in:
Pragyansh Chaturvedi
2025-09-21 16:19:12 +05:30
parent a1371697cc
commit 79f0949abc
2 changed files with 11 additions and 10 deletions
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12
pythonbpf/bpf_helper_handler.py
View File

@ -3,7 +3,7 @@ from llvmlite import ir
from .expr_pass import eval_expr from .expr_pass import eval_expr
def bpf_ktime_get_ns_emitter(call, map_ptr, module, builder, func, local_sym_tab=None): def bpf_ktime_get_ns_emitter(call, map_ptr, module, builder, func, local_sym_tab=None, local_var_metadata=None):
""" """
Emit LLVM IR for bpf_ktime_get_ns helper function call. Emit LLVM IR for bpf_ktime_get_ns helper function call.
""" """
@ -16,7 +16,7 @@ def bpf_ktime_get_ns_emitter(call, map_ptr, module, builder, func, local_sym_tab
return result return result
def bpf_map_lookup_elem_emitter(call, map_ptr, module, builder, func, local_sym_tab=None, struct_sym_tab=None): def bpf_map_lookup_elem_emitter(call, map_ptr, module, builder, func, local_sym_tab=None, struct_sym_tab=None, local_var_metadata=None):
""" """
Emit LLVM IR for bpf_map_lookup_elem helper function call. Emit LLVM IR for bpf_map_lookup_elem helper function call.
""" """
@ -63,7 +63,7 @@ def bpf_map_lookup_elem_emitter(call, map_ptr, module, builder, func, local_sym_
return result return result
def bpf_printk_emitter(call, map_ptr, module, builder, func, local_sym_tab=None): def bpf_printk_emitter(call, map_ptr, module, builder, func, local_sym_tab=None, local_var_metadata=None):
if not hasattr(func, "_fmt_counter"): if not hasattr(func, "_fmt_counter"):
func._fmt_counter = 0 func._fmt_counter = 0
@ -172,7 +172,7 @@ def bpf_printk_emitter(call, map_ptr, module, builder, func, local_sym_tab=None)
ir.IntType(32), len(fmt_str))], tail=True) ir.IntType(32), len(fmt_str))], tail=True)
def bpf_map_update_elem_emitter(call, map_ptr, module, builder, func, local_sym_tab=None, struct_sym_tab=None): def bpf_map_update_elem_emitter(call, map_ptr, module, builder, func, local_sym_tab=None, struct_sym_tab=None, local_var_metadata=None):
""" """
Emit LLVM IR for bpf_map_update_elem helper function call. Emit LLVM IR for bpf_map_update_elem helper function call.
Expected call signature: map.update(key, value, flags=0) Expected call signature: map.update(key, value, flags=0)
@ -268,7 +268,7 @@ def bpf_map_update_elem_emitter(call, map_ptr, module, builder, func, local_sym_
return result return result
def bpf_map_delete_elem_emitter(call, map_ptr, module, builder, func, local_sym_tab=None, struct_sym_tab=None): def bpf_map_delete_elem_emitter(call, map_ptr, module, builder, func, local_sym_tab=None, struct_sym_tab=None, local_var_metadata=None):
""" """
Emit LLVM IR for bpf_map_delete_elem helper function call. Emit LLVM IR for bpf_map_delete_elem helper function call.
Expected call signature: map.delete(key) Expected call signature: map.delete(key)
@ -323,7 +323,7 @@ def bpf_map_delete_elem_emitter(call, map_ptr, module, builder, func, local_sym_
return result return result
def bpf_get_current_pid_tgid_emitter(call, map_ptr, module, builder, func, local_sym_tab=None): def bpf_get_current_pid_tgid_emitter(call, map_ptr, module, builder, func, local_sym_tab=None, local_var_metadata=None):
""" """
Emit LLVM IR for bpf_get_current_pid_tgid helper function call. Emit LLVM IR for bpf_get_current_pid_tgid helper function call.
""" """

9
pythonbpf/functions_pass.py
View File

@ -222,7 +222,7 @@ def handle_cond(func, module, builder, cond, local_sym_tab, map_sym_tab):
return None return None
def handle_if(func, module, builder, stmt, map_sym_tab, local_sym_tab): def handle_if(func, module, builder, stmt, map_sym_tab, local_sym_tab, structs_sym_tab=None):
"""Handle if statements in the function body.""" """Handle if statements in the function body."""
print("Handling if statement") print("Handling if statement")
start = builder.block.parent start = builder.block.parent
@ -243,7 +243,7 @@ def handle_if(func, module, builder, stmt, map_sym_tab, local_sym_tab):
builder.position_at_end(then_block) builder.position_at_end(then_block)
for s in stmt.body: for s in stmt.body:
process_stmt(func, module, builder, s, process_stmt(func, module, builder, s,
local_sym_tab, map_sym_tab, False) local_sym_tab, map_sym_tab, structs_sym_tab, False)
if not builder.block.is_terminated: if not builder.block.is_terminated:
builder.branch(merge_block) builder.branch(merge_block)
@ -251,7 +251,7 @@ def handle_if(func, module, builder, stmt, map_sym_tab, local_sym_tab):
builder.position_at_end(else_block) builder.position_at_end(else_block)
for s in stmt.orelse: for s in stmt.orelse:
process_stmt(func, module, builder, s, process_stmt(func, module, builder, s,
local_sym_tab, map_sym_tab, False) local_sym_tab, map_sym_tab, structs_sym_tab, False)
if not builder.block.is_terminated: if not builder.block.is_terminated:
builder.branch(merge_block) builder.branch(merge_block)
@ -269,7 +269,8 @@ def process_stmt(func, module, builder, stmt, local_sym_tab, map_sym_tab, struct
elif isinstance(stmt, ast.AugAssign): elif isinstance(stmt, ast.AugAssign):
raise SyntaxError("Augmented assignment not supported") raise SyntaxError("Augmented assignment not supported")
elif isinstance(stmt, ast.If): elif isinstance(stmt, ast.If):
handle_if(func, module, builder, stmt, map_sym_tab, local_sym_tab) handle_if(func, module, builder, stmt, map_sym_tab,
local_sym_tab, structs_sym_tab)
elif isinstance(stmt, ast.Return): elif isinstance(stmt, ast.Return):
if stmt.value is None: if stmt.value is None:
builder.ret(ir.Constant(ir.IntType(32), 0)) builder.ret(ir.Constant(ir.IntType(32), 0))