Replicate this scenario:
$ cat a.c
struct Foo { int x; };
int g(struct Foo *p);
int main() {
struct Foo f = {42};
return g(&f);
}
$ cat b.c
struct Foo { int x; };
int g(struct Foo *p) { return p->x; }
$ cl -c a.c b.c -Zi -Fdts.pdb
$ lld-link a.obj b.obj -debug -entry:main -nodefaultlib -out:t.exe
RUN: rm -rf %t && mkdir -p %t && cd %t
RUN: yaml2obj %S/Inputs/pdb-type-server-simple-a.yaml -o a.obj
RUN: yaml2obj %S/Inputs/pdb-type-server-simple-b.yaml -o b.obj
RUN: llvm-pdbutil yaml2pdb %S/Inputs/pdb-type-server-simple-ts.yaml -pdb ts.pdb
RUN: lld-link a.obj b.obj -entry:main -debug:noghash -out:t.exe -pdb:t.pdb -nodefaultlib -summary | FileCheck %s -check-prefix SUMMARY
RUN: llvm-pdbutil dump -symbols -types -ids -globals %t/t.pdb | FileCheck %s
Re-run with /DEBUG:GHASH
RUN: lld-link a.obj b.obj -entry:main -debug:ghash -out:t.exe -pdb:t.pdb -nodefaultlib -summary -verbose
RUN: llvm-pdbutil dump -symbols -types -ids -globals %t/t.pdb | FileCheck %s
Re-run with pdb from outputpath
RUN: mkdir -p libs
RUN: cp a.obj libs/a.obj && cp b.obj libs/b.obj
RUN: lld-link libs/a.obj libs/b.obj -entry:main -debug:ghash -out:t.exe -pdb:t.pdb -nodefaultlib -summary 2>&1 | FileCheck %s -check-prefix FAILURE-MISSING-PDBFILE
CHECK-LABEL: Types (TPI Stream)
CHECK: ============================================================
CHECK: [[FOO_DECL:[^ ]*]] | LF_STRUCTURE [size = 36] `Foo`
CHECK: [[FOO_PTR:[^ ]*]] | LF_POINTER [size = 12]
CHECK-NEXT: referent = [[FOO_DECL]]
CHECK: [[G_ARGS:[^ ]*]] | LF_ARGLIST [size = 12]
CHECK-NEXT: [[FOO_PTR]]: `Foo*`
CHECK: [[G_PROTO:[^ ]*]] | LF_PROCEDURE [size = 16]
CHECK-NEXT: return type = 0x0074 (int), # args = 1, param list = [[G_ARGS]]
CHECK-NEXT: calling conv = cdecl, options = None
CHECK: [[FOO_COMPLETE:[^ ]*]] | LF_STRUCTURE [size = 36] `Foo`
CHECK-NEXT: unique name: `.?AUFoo@@`
CHECK-NEXT: vtable: <no type>, base list: <no type>, field list: 0x{{.*}}
CHECK: options: has unique name
CHECK: [[MAIN_PROTO:[^ ]*]] | LF_PROCEDURE [size = 16]
CHECK: return type = 0x0074 (int), # args = 0, param list = 0x{{.*}}
CHECK: calling conv = cdecl, options = None
CHECK-LABEL: Types (IPI Stream)
CHECK: ============================================================
CHECK: [[MAIN_ID:[^ ]*]] | LF_FUNC_ID [size = 20]
CHECK: name = main, type = [[MAIN_PROTO]], parent scope = <no type>
CHECK: [[G_ID:[^ ]*]] | LF_FUNC_ID [size = 16]
CHECK: name = g, type = [[G_PROTO]], parent scope = <no type>
CHECK: [[A_BUILD:[^ ]*]] | LF_BUILDINFO [size = 28]
CHECK: {{.*}}: `a.c`
CHECK: [[B_BUILD:[^ ]*]] | LF_BUILDINFO [size = 28]
CHECK: {{.*}}: `b.c`
CHECK-LABEL: Global Symbols
CHECK: ============================================================
CHECK-NEXT: Records
CHECK-NEXT: 36 | S_PROCREF [size = 20] `main`
CHECK-NEXT: module = 1, sum name = 0, offset = 104
CHECK-NEXT: 68 | S_PROCREF [size = 16] `g`
CHECK-NEXT: module = 2, sum name = 0, offset = 104
CHECK-NEXT: 56 | S_UDT [size = 12] `Foo`
CHECK-NEXT: original type = 0x1006
CHECK-LABEL: Symbols
CHECK: ============================================================
CHECK-LABEL: Mod 0000 | `{{.*}}a.obj`:
CHECK: 4 | S_OBJNAME [size = 40] sig=0, `C:\src\llvm-project\build\a.obj`
CHECK: 104 | S_GPROC32 [size = 44] `main`
CHECK: parent = 0, end = 196, addr = 0001:0000, code size = 27
CHECK: type = {{.*}}, debug start = 4, debug end = 22, flags = none
CHECK: 200 | S_BUILDINFO [size = 8] BuildId = `[[A_BUILD]]`
CHECK-LABEL: Mod 0001 | `{{.*}}b.obj`:
CHECK: 4 | S_OBJNAME [size = 40] sig=0, `C:\src\llvm-project\build\b.obj`
CHECK: 44 | S_COMPILE3 [size = 60]
CHECK: machine = intel x86-x64, Ver = Microsoft (R) Optimizing Compiler, language = c
CHECK: frontend = 19.0.24215.1, backend = 19.0.24215.1
CHECK: flags = security checks | hot patchable
CHECK: 104 | S_GPROC32 [size = 44] `g`
CHECK: parent = 0, end = 196, addr = 0001:0032, code size = 13
CHECK: type = {{.*}}, debug start = 5, debug end = 12, flags = none
CHECK: 148 | S_FRAMEPROC [size = 32]
CHECK: size = 0, padding size = 0, offset to padding = 0
CHECK: bytes of callee saved registers = 0, exception handler addr = 0000:0000
CHECK: flags = has async eh | opt speed
CHECK: 180 | S_REGREL32 [size = 16] `p`
CHECK: type = [[FOO_PTR]] (Foo*), register = RSP, offset = 8
CHECK: 196 | S_END [size = 4]
CHECK: 200 | S_BUILDINFO [size = 8] BuildId = `[[B_BUILD]]`
CHECK-LABEL: Mod 0002 | `* Linker *`:
SUMMARY: Summary
SUMMARY-NEXT: --------------------------------------------------------------------------------
SUMMARY-NEXT: 2 Input OBJ files (expanded from all cmd-line inputs)
SUMMARY-NEXT: 1 PDB type server dependencies
SUMMARY-NEXT: 0 Precomp OBJ dependencies
SUMMARY-NEXT: 25 Input type records
SUMMARY-NEXT: 868 Input type records bytes
SUMMARY-NEXT: 9 Merged TPI records
SUMMARY-NEXT: 16 Merged IPI records
SUMMARY-NEXT: 3 Output PDB strings
SUMMARY-NEXT: 4 Global symbol records
SUMMARY-NEXT: 14 Module symbol records
SUMMARY-NEXT: 2 Public symbol records
SUMMARY: Top 10 types responsible for the most TPI input:
SUMMARY-NEXT: index total bytes count size
SUMMARY-NEXT: 0x1006: 36 = 1 * 36
SUMMARY: Run llvm-pdbutil to print details about a particular record:
SUMMARY-NEXT: llvm-pdbutil dump -types -type-index 0x1006 t.pdb
SUMMARY: Top 10 types responsible for the most IPI input:
SUMMARY-NEXT: index total bytes count size
SUMMARY-NEXT: 0x1006: 256 = 1 * 256
SUMMARY: Run llvm-pdbutil to print details about a particular record:
SUMMARY-NEXT: llvm-pdbutil dump -ids -id-index 0x1006 t.pdb
FAILURE-MISSING-PDBFILE-NOT: Cannot use debug info for '{{.*}}.obj'
FAILURE-MISSING-PDBFILE-NOT: failed to load reference '{{.*}}.pdb': no such file or directory
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